PAINEWEBBER EQUITY TRUST GROWTH STOCK SERIES 24
S-6/A, 2000-03-01
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<PAGE>


                                                              File No. 333-90837


                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549


                                 AMENDMENT NO. 3
                                       TO
                                    FORM S-6


For Registration Under the Securities Act of 1933 of Securities of Unit
Investment Trusts Registered on Form N-8B-2

         A.       Exact name of Trust:

                           THE PAINEWEBBER EQUITY TRUST,
                           GROWTH STOCK SERIES 24

         B.       Name of Depositor:

                           PAINEWEBBER INCORPORATED

         C.       Complete address of Depositor's principal executive office:

                           PAINEWEBBER INCORPORATED
                           1285 Avenue of the Americas
                           New York, New York  10019

         D.       Name and complete address of agents for service:

                           PAINEWEBBER INCORPORATED
                           Attention:  Mr. Robert E. Holley
                           1200 Harbor Boulevard
                           Weehawken, New Jersey  07087

                           Copy to:

                           CARTER, LEDYARD & MILBURN
                           Attention: Kathleen H. Moriarty, Esq.
                           2 Wall Street
                           New York, New York  10005

         E.       Total and amount of securities being registered:

<PAGE>


                           An indefinite number of Units pursuant to Rule 24f-2
                           of the Investment Company Act of 1940.

         F.       Proposed maximum offering price to the public of the
                           securities being registered:

                           Indefinite pursuant to Rule 24f-2.

         G.                Amount of filing fee, computed at one-thirty-eighth
                           of 1 percent of the proposed maximum aggregate
                           offering price to the public:

                           None required pursuant to Rule 24f_2.

         H.       Approximate date of proposed sale to public:

                           AS SOON AS PRACTICABLE AFTER THE EFFECTIVE DATE OF
                           THE REGISTRATION STATEMENT


                  [ ]      Check box if it is proposed that this filing will
                           become effective on _______, 2000 at 3:00 p.m.
                           pursuant to Rule 487.


<PAGE>


                          THE PAINEWEBBER EQUITY TRUST,
                             GROWTH STOCK SERIES 24

                              Cross Reference Sheet
                     Pursuant to Rule 404(c) of Regulation C
                        under the Securities Act of 1933

                  (Form N-8B-2 Items required by Instruction 1
                          as to Prospectus on Form S-6)


Form N-8B-2                                          Form S-6
Item Number                                    Heading in Prospectus
- -----------                                    ---------------------
I.  Organization and General Information
    ------------------------------------
1.     (a) Name of Trust                           )  Front Cover
       (b) Title of securities issued              )

2.     Name and address of Depositor               )  Back Cover

3.     Name and address of Trustee                 )  Back Cover

4.     Name and address of principal               )  Back Cover
         Underwriter                               )

5.     Organization of Trust                       )  The Trust

6.     Execution and termination of                )  The Trust
         Trust Agreement                           )  Termination of the
                                                   )  Trust

7.     Changes of name                             )  *

8.     Fiscal Year                                 )  *

9.     Litigation                                  )  *


                      II. General Description of the Trust
                           and Securities of the Trust
                           ---------------------------

10.    General Information regarding Trust's       )  Brief Description of the
                                                      Trust's Investment
                                                      Portfolio; the Composition
                                                      of the Trust Portfolio
          Securities and Rights of Unitholders     )  Rights of Unitholders


<PAGE>

- ------------

* Not applicable, answer negative or not required.

     (a)    Type of Securities                  )  The Trust
            (Registered or Bearer)              )

     (b)    Type of Securities                  )  The Trust
            (Cumulative or Distributive)        )

     (c)    Rights of Holders as to             )  Rights of Unitholders;
            Withdrawal or Redemption            )  Redemption;
                                                )  Public Offering of
                                                )  Units, Secondary
                                                )  Market for Units
                                                )  Exchange Option

     (d)    Rights of Holders as to             )  Public Offering of
            conversion, transfer, etc.          )  Units; Administration
                                                )  of the Trust

     (e)    Rights of Trust issues periodic     )  *
            payment plan certificates           )

     (f)    Voting rights as to Securities      )  Rights of Unitholders;
            under the Indenture                 )  Amendment of the Indenture
                                                )  and Termination of the
                                                )  Trust

     (g)    Notice to Holders as to             )
            change in                           )
            (1) Assets of Trust                 )
            (2) Terms and Conditions            )
                 of Trust's Securities          )
            (3) Provisions of Trust             )  Amendment of the Indenture;
            (4) Identity of Depositor           )  Administration of the Trust-
                and Trustee                     )  Portfolio Supervision
     (h)    Consent of Security Holders         )
            required to change                  )

            (1) Composition of assets           )  Amendment of the Indenture
                of Trust
            (2) Terms and conditions            )  Amendment of the Indenture

<PAGE>

                 of Trust's Securities          )
            (3) Provisions of Indenture         )  Portfolio Supervision
            (4) Identity of Depositor and       )    Sponsor; Trustee
                Trustee                         )

11.    Type of securities comprising            )  The Trust; Rights of Unit-
       security holder's interest               )  holders; Administration of
                                                )  the Trust-Portfolio
                                                )  Supervision


- --------------
* Not applicable, answer negative or not required.



<PAGE>


12.  Information concerning periodic       ) *
     payment certificates                  )

13.  (a) Load, fees, expenses, etc.        ) Fees and Expenses;
                                             Essential Information Regarding
                                             The Trust; Public Offering Price of
                                           ) Units, Administration of
                                           ) the Trust, Expenses of the
                                           ) Trust

     (b)  Certain information regarding    ) *
          periodic payment certificates    )

     (c)  Certain percentages              ) Public Offering of Units

     (d)  Certain other fees, etc.         )
          payable by holders               ) Fees and Expenses;
                                             Essential Information Regarding
                                             The Trust;

     (e)  Certain profits receivable by    ) Public Offering of Units-
          depositor, principal under-      ) Public Offering Price;
          writers, trustee or affiliated   ) -Sponsor's Profit-Secondary
          persons                          ) Market for Units

     (f)  Ratio of annual charges to       ) *
          income                           )

14.  Issuance of trust's securities        ) The Trust
                                           ) Public Offering of Units

15.  Receipt and handling of payments      ) Public offering of Units
     from purchasers                       )

16.  Acquisition and disposition of        ) The Trust, Administration
     Underlying Securities                 ) of the Trust, Amendment of
                                           ) the Indenture, Termination
                                           ) of the Trust

17.  Withdrawal or redemption              ) Public Offering of Units
                                           ) Administration of the Trust

18.  (a)  Receipt and disposition of       ) Distributions, The Trust,
          income                           ) Administration of the Trust

     (b)  Reinvestment of distributions    ) Reinvestment Plan


<PAGE>


       (c)    Reserves or special fund           )  Distributions, Redemption,
                                                 )  Expenses of the Trust,
                                                 )  Termination of the Trust,
                                                 )  Amendment of the Indenture


- ------------

* Not applicable, answer negative or not required.



<PAGE>


      (d)    Schedule of distribution      ) *

19.   Records, accounts and report         ) Distributions, Administra-
                                           ) tion of the Trust

20.   Certain miscellaneous provisions of  ) Trustee, Sponsor, Termina-
      trust agreement                      ) tion of the Trust, Amend-
                                           ) ment of the Indenture

21.   Loans to security holders            ) *

22.   Limitations on liability             ) Sponsor, Trustee, Redemp-
                                           ) tion

23.   Bonding arrangements                 ) Included in Form N-8B-2

24.   Other material provisions of         ) *
      trust agreement                      )


                       III. Organization Personnel and
                       Affiliated Persons of Depositor
                       -------------------------------

25.   Organization of Depositor            ) Sponsor

26.   Fees received by Depositor           ) Public Offering of
                                           ) Units-Public Offering
                                           ) Price, Expenses of the
                                           ) Trust

27.   Business of Depositor                ) Sponsor

28.   Certain information as to            ) Sponsor
      officials and affiliated             )
      persons of Depositor                 )

29.   Voting securities of Depositor       ) *

30.   Persons controlling Depositor        ) Sponsor

31.   Payments by Depositor for certain    ) *
      other trust services                 )

32.   Payments by Depositor for certain    ) *
      certain other services               )
      rendered to trust                    )

<PAGE>



33.     Remuneration of employees of       ) *
        Depositor for certain services     )
        rendered to trust                  )


- ----------
* Not applicable, answer negative or not required.



<PAGE>


34.   Remuneration of other persons                   ) *
      for certain services rendered                   )
      to trust                                        )


                  IV. Distribution and Redemption of Securities
                      -----------------------------------------
<TABLE>
<CAPTION>
<S>   <C>                                    <C>
35.   Distribution of trust's                 ) Public Offering of Units
      securities by states                    )

36.   Suspension of sales of trust's          ) *
      securities                              )

37.   Revocation of authority to              ) *
      distribute                              )

38.   (a)  Method of distribution             ) Distributions; Public Offering of Units
      (b)  Underwriting agreements            ) The Trust, Administration
      (c)  Selling agreements                 ) of The Trust

39.   (a)  Organization of principal          ) Sponsor
           Underwriter                        )
      (b)  N.A.S.D. membership of             ) Sponsor
           principal underwriter              )

40.   Certain fees received by                ) Public Offering of Units,
      principal underwriter                   ) Expenses of the Trust

41.   (a)  Business of principal              ) Sponsor
           underwriter                        )

      (b)  Branch officers of principal       )
           underwriter                        )

      (c)  Salesman of principal              ) *
           underwriter                        )

42.   Ownership of trust's securities         ) *
      by certain persons                      )

43.   Certain brokerage commissions           ) *
      received by principal underwriter       )

44.   (a)    Method of valuation              ) Public Offering of Units;
                                              ) Valuation
      (b)    Schedule as to offering price    )  *
</TABLE>


<PAGE>

      (c)    Variation in Offering         ) Public Offering of Units; Price to
             certain persons               ) Administration of the Trust

- -----------
* Not applicable, answer negative or not required.



<PAGE>


45.   Suspension of redemption rights          ) *

46.   (a)    Redemption valuation              ) Public Offering of Units
                                               ) -Public Offering Price
                                               ) -Secondary Market for Units
                                               ) Valuation, Redemption

      (b)    Schedule as to redemption         ) *
             price                             )


               V. Information concerning the Trustee or Custodian
                  -----------------------------------------------
<TABLE>
<CAPTION>
<S>   <C>                                      <C>
47.   Maintenance of position in               ) Redemption, Public Offering
      underlying securities                    ) of Units-Public Offering
                                               ) Price

48.   Organization and regulation of           ) Trustee
      Trustee)

49.   Fees and expenses of Trustee             ) Fees and Expenses; Expenses of the Trust

50.   Trustee's lien                           ) Expenses of the Trust
</TABLE>


          VI. Information concerning Insurance of Holders of Securities
              ---------------------------------------------------------

51.   (a)    Name and address of Insurance        ) *
             Company                              )
      (b)    Type of policies                     ) *
      (c)    Type of risks insured and            ) *
             excluded                             )
      (d)    Coverage of policies                 ) *
      (e)    Beneficiaries of policies            ) *
      (f)    Terms and manner of                  ) *
             cancellation                         )
      (g)    Method of determining premiums       ) *
      (h)    Amount of aggregate premiums         ) *
             paid                                 )
      (i)    Who receives any part of             ) *
             premiums                             )
      (j)    Other material provisions of         ) *
             the Trust relating to insurance      )

- ------------

<PAGE>


* Not applicable, answer negative or not required.


<PAGE>


                            VII. Policy of Registrant
                                 --------------------

<TABLE>
<CAPTION>
<S>     <C>    <C>                                          <C>
52.     (a)    Method of selecting and                      )  Brief Description of the Trust
                                                               Portfolio;
               eliminating securities from                  )  The Composition of the Trust Portfolio;
               the Trust                                    )  The Trust, Administration of the Trust
        (b)    Elimination of securities                    )  *
               from the Trust                               )
        (c)    Policy of Trust regarding                    )  The Trust, Administration
               substitution and elimination                 )  of the Trust
               of securities                                )
        (d)    Description of any funda-                    )  The Trust, Administration mental
               policy of the Trust                          )  of the Trust-Portfolio
                                                            )  Supervision

53.     (a)    Taxable status of the Trust                  )  Federal Income Taxes
        (b)    Qualification of the Trust as                )
               a regulated investment company               )  Federal Income Taxes
</TABLE>


                   VIII. Financial and Statistical Information
                         -------------------------------------

<TABLE>
<CAPTION>
<S>     <C>    <C>                                          <C>
54.     Information regarding the Trust's                   )  *
               past ten fiscal years                        )

55.     Certain information regarding                       )  *
        periodic payment plan certificates                  )

56.     Certain information regarding                       )  *
        periodic payment plan certificates                  )

57.     Certain information regarding                       )  *
        periodic payment plan certificates                  )

58.     Certain information regarding                       )  *
        periodic payment plan certificates                  )

59.      Financial statements                               )  Statement of Net Assets
        (Instruction 1(c) to Form S_6)                      )
</TABLE>


- -----------

* Not applicable, answer negative or not required.



<PAGE>



                           UNDERTAKING TO FILE REPORTS


         Subject to the terms and conditions of Section 15(d) of the Securities
Exchange Act of 1934, the undersigned registrant hereby undertakes to file with
the Securities and Exchange Commission such supplementary and periodic
information, documents and reports as may be prescribed by any rule or
regulation of the Commission heretofore or hereafter duly adopted pursuant to
authority conferred in that section.


<PAGE>



                            PAINEWEBBER EQUITY TRUST

                             Growth Stock Series 24

                            (A Unit Investment Trust)


                       Building the Info Utility Industry
- --------------------------------------------------------------------------------

   o  The Emerging "Info Utility Industry" is Comprised of Companies That are
      Significantly Involved in Building a Corporate Presence on the Web and in
      Connecting Consumers to the Web.


   o  Portfolio of Common Stocks Chosen for Their Above-Average Potential for
      Capital Appreciation

   o  Professional Selection

- --------------------------------------------------------------------------------
     THE SECURITIES AND EXCHANGE COMMISSION HAS NOT APPROVED OR DISAPPROVED
THESE SECURITIES OR PASSED UPON THE ADEQUACY OF THIS PROSPECTUS. ANY
REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.
- --------------------------------------------------------------------------------

                                    SPONSOR:


                            PAINEWEBBER INCORPORATED

            THIS PROSPECTUS CONSISTS OF TWO PARTS: PART A AND PART B.

                      PROSPECTUS PART A DATED MARCH 1, 2000



<PAGE>

                               TABLE OF CONTENTS



PAINEWEBBER EQUITY TRUST, GROWTH STOCK SERIES 24 PROSPECTUS PART A   PAGE
                                                                     ----
Brief Description of the Trust ...................................   A-3
Summary of Risks .................................................   A-4
Fees and Expenses ................................................   A-6
Brief Description of the Trust's Investment Portfolio ............   A-8
Is This Trust Appropriate for You? ...............................   A-8
Essential Information Regarding the Trust ........................   A-9
Report of Independent Auditors ...................................   A-11
Statement of Net Assets ..........................................   A-12
Schedule of Investments ..........................................   A-13

PAINEWEBBER EQUITY TRUST, GROWTH STOCK SERIES 24 PROSPECTUS PART B
The Composition of the Portfolio .................................   B-1
The Trust ........................................................   B-2
Risk Factors and Special Considerations ..........................   B-3
Federal Income Taxes .............................................   B-7
Public Offering of Units .........................................   B-8
 Public Offering Price ...........................................   B-8
 Sales Charge and Volume Discount ................................   B-8
 Employee Discount ...............................................   B-10
 Exchange Option .................................................   B-10
 Conversion Option ...............................................   B-11
 Distribution of Units ...........................................   B-12
 Secondary Market for Units ......................................   B-12
 Sponsor's Profits ...............................................   B-12
Redemption .......................................................   B-13
Valuation ........................................................   B-15
Comparison of Public Offering Price and Redemption Value .........   B-15
Expenses of the Trust ............................................   B-16
Rights of Unitholders ............................................   B-17
Distributions ....................................................   B-17
Reinvestment Plan ................................................   B-17
Administration of the Trust ......................................   B-18
 Accounts ........................................................   B-18
 Reports and Records .............................................   B-18
 Portfolio Supervision ...........................................   B-19
Amendment of the Indenture .......................................   B-19
Termination of the Trust .........................................   B-20
Sponsor ..........................................................   B-20
Trustee ..........................................................   B-21
Independent Auditors .............................................   B-21
Legal Opinions ...................................................   B-21


                                      A-2
<PAGE>

PAINEWEBBER EQUITY TRUST, GROWTH STOCK SERIES 24 - PROSPECTUS PART A


BRIEF DESCRIPTION OF THE TRUST


1. THE TRUST'S OBJECTIVES.

 o The Trust invests in a fixed portfolio of domestic stocks which have, in
   PaineWebber's opinion, an above-average potential for capital appreciation.
   PaineWebber believes that such stocks are likely to benefit from the
   emergence of a new industry: the "Info Utility Industry".


 o The stocks in the Trust are issued primarily by technology and
   telecommunications companies that are participating in the building of the
   Info Utility Industry. These companies include: Advisors, Operators of
   Server Farms, Software Providers, Hardware Providers, Personal Computer
   Manufacturers, Internet Service Providers, Providers of Electronic
   Connections to the Web, Bandwidth (the Transmission Capacity of a
   Communications Network) Providers and Domain Name (the Unique Name That
   Identifies an Internet Site) Registration Service Providers.


 o The Trust is a unit investment trust which means that, unlike a mutual fund,
   the Trust's portfolio is not managed and stocks are not sold because of
   market changes.


2. THE PORTFOLIO'S INVESTMENT STRATEGY IS TO INVEST IN INFO UTILITY INDUSTRY
    STOCKS.

 o PaineWebber observes that, just as, in the early 20th century, electric
   utilities permitted firms and households to "outsource" the age-old
   function of power generation, so is the Internet making it possible to
   outsource another age-old function: information management. We are
   witnessing the rise of a new industry -- the Info Utility Industry -- which
   feeds data to the rest of the economy, much as the electric utility
   industry provides energy. As most individual households now depend on
   electric utility companies for their energy needs, PaineWebber believes
   that most individual businesses will depend on the Info Utility companies
   for their information management needs.

 o Instead of running Web sites on their own computers, companies are
   outsourcing this function to "server farms," or data centers, run by other
   companies. These "server farms" are giant warehouses where hundreds of
   computers operate Web sites and run other applications for corporate
   customers. As corporate operations shift to the Web, PaineWebber believes
   that other data-processing functions will be outsourced to Info Utilities.
   So the emergence of this industry is part and parcel of the shift to
   Web-based computing.

 o PaineWebber believes that there are seven forces driving the emergence of
   Info Utilities:

   o  The collapsing cost of bandwidth makes it feasible to store data in
      offsite computers and to access it as needed.

   o  Information management is becoming more important and complex, and
      therefore best left in the hands of sophisticated specialists.

   o  Info Utilities' costs are low because they possess economies of scale --
      an important consideration for customers as managing information becomes
      a larger share of their total costs.

   o  Info Utilities allow customers to tap expertise they cannot hire in a
      tight high-tech labor market.

   o  The computer virus factor: Info Utilities are expert at guarding against
      computer viruses and hackers.


                                      A-3
<PAGE>

   o  Minimizing "total cost of ownership" of computers: it is cheaper to
      maintain and upgrade systems if they are centralized in a data center,
      rather than dispersed among many local area networks.

   o  "Digital Democratization:" Info Utilities enable small and mid-sized
      businesses, which could not install the most sophisticated software
      packages in-house, to use such software.


 o The Trust plans to hold until its termination on March 31, 2003 a portfolio
   of stocks of companies which PaineWebber believes are involved in the
   building of the emerging Info Utility Industry. These companies include:

   o  Companies that build a corporate presence on the Web:


      o  Advisors (Electronic Data Systems, Proxicom, Scient)

      o  Operators of Server Farms (Verio, Digex, Exodus)

      o  Bandwidth Providers (MCI WorldCom, Qwest Communications)

      o  Software (Oracle, Infospace.com, Microsoft, Citrix)

      o  Hardware -- Enterprise Hardware (Sun Microsystems, IBM, Intel);
         Printers (Hewlett-Packard); Telecom Equipment (Cisco, Lucent, Nortel
         Networks)

      o  Domain Names (Network Solutions)


   o   Companies that connect consumers to the Web:


      o  Personal Computers (Gateway)

      o  Internet Service Providers (America Online)

      o  Electronic connections to the Web -- Cable (AT&T, Comcast); Satellite
         (Hughes Electronics); Retailers (Tandy)


SUMMARY OF RISKS

YOU CAN LOSE MONEY BY INVESTING IN THE TRUST. This can happen for various
reasons. A further discussion of the risks summarized below can be found in
Part B of this Prospectus.


1. RISKS OF INVESTING IN THE TRUST

     Certain risks are involved with an investment in a Unit Trust which is
"concentrated" in a particular industry, industry sector or industry segment.


 o Because the Portfolio is concentrated in the technology and
   telecommunications sectors of the economy, many of the risks faced by other
   companies in the technology and telecommunication sectors may also apply to
   the portfolio securities, and adverse developments in either sector may
   affect the value of your units. When stocks in a particular sector make up
   25% or more of the Portfolio, it is said to be "concentrated" in that
   sector, which makes the Portfolio less diversified.


 o Stock prices can be volatile generally, and technology stock prices can be
   extremely volatile. Technology stocks have experienced extreme price and
   volume fluctuations that are often unrelated to their operating
   performance, and many have exceptionally high price-to-earnings ratios or
   have little or no earnings histories.


                                      A-4
<PAGE>

 o Many technology and telecommunications companies are rapidly developing and
   highly competitive, both domestically and internationally. They often
   experience intense competition from large established companies and
   potential competition from small start-up companies. Many technology and
   telecommunications companies may be smaller and less seasoned companies
   with limited product lines, markets or financial resources and limited
   management or marketing personnel. Such companies may be adversely affected
   by worldwide scientific and technological development and rapid product
   obsolescence, the need for a continued substantial investment in research
   and development and increased government regulation.

 o Many technology and telecommunications companies will require substantial
   capital to acquire and maintain sophisticated technology. Such companies
   are generally subject to short product life cycles, aggressive pricing and
   reduced profit margins, the loss of patent, copyright and trademark
   protections, cyclical market patterns, evolving industry standards and
   frequent new product introductions.

 o Technology and telecommunications companies are also dependent to a
   substantial degree upon skilled professional and technical personnel and
   there is considerable competition for the services of qualified personnel
   in the industry.

Certain risks are involved with an investment in a unit trust which holds
   common stocks. For example:

     THE TRUST IS NOT "MANAGED"

 o The Trust, unlike a mutual fund, is not "managed" and stocks will not be
   sold by the Trust to take advantage of market fluctuations. The Trust may
   continue to purchase or hold stocks during the life of the Trust even
   though their market value may have changed.

     THE TRUST MAY SELL PORTFOLIO STOCKS

 o Although the Trust is not managed, the Trust portfolio may not remain
   constant during the life of the Trust. The Trustee may be required to
   tender stocks under certain circumstances or to sell stocks in the event
   certain negative events occur.

 o The sale of stocks from the Trust in the period prior to termination and
   upon termination may result in a lower amount than might otherwise be
   realized if such sale were not required at such time due to impending or
   actual termination of the Trust. For this reason, among others, the amount
   you receive upon termination may be less than the amount you paid.

 o If many investors sell their Units, the Trust will have to sell stocks.
   These sales could result in losses for the Trust and increase your share of
   Trust expenses.

     THE TRUST WILL SELL PORTFOLIO STOCKS TO PAY TRUST EXPENSES AND MEET
REDEMPTIONS

 o Because most of the stocks in the Trust do not pay any dividend income, the
   Trustee will be required to sell stocks to pay Trust expenses and meet
   redemptions.

     THE PRICE AND VALUE OF UNITS WILL FLUCTUATE DURING THE TRUST'S TERM.

 o Stock prices may decline during the life of the Trust. The price of your
   Units depends upon the full range of economic and market influences
   including the prices of equity securities, the condition of the stock
   markets and other economic influences that affect the global or United
   States economy.

 o Assuming no changes occur in the prices of the stocks held by the Trust, the
   price you receive for your Units will generally be less than the price you
   paid because your purchase price included a sales charge.


                                      A-5
<PAGE>

 o The stocks in the Trust's portfolio will generally trade on a domestic stock
   exchange or in the over-the-counter market. PaineWebber cannot assure you
   that a liquid trading market will exist. The value of the Trust's
   portfolio, and of your investment, may be reduced if trading in one or more
   stocks is limited or absent.


 o Additional stocks may be purchased by the Trust when additional Units are
   offered to the public or for the Reinvestment Plan. Costs, such as
   brokerage fees, incurred in purchasing such additional stocks will be borne
   by the Trust. Your Units will be worth less as a result of the Trust's
   payment of these brokerage fees and other expenses.


     THE INVESTMENT STRATEGY MAY NOT PRODUCE THE ANTICIPATED RESULTS.


2. RISKS OF INVESTING IN STOCKS


INVESTING ALWAYS INVOLVES RISKS. The risks described below are the most
significant risks associated with investing in the stocks held by the Trust.


 o Holders of common stocks such as those held by the Trust have rights that
   are generally inferior to the holders of debt obligations or preferred
   stocks.


 o Common stocks are not obligations of the issuer of the stocks. Therefore,
   they do not provide any guaranteed income or provide the degree of
   protection of debt securities.


 o The stocks held by the Trust can be expected to fluctuate in value depending
   on a wide variety of factors, such as economic and market influences
   affecting corporate profitability, the financial condition of the issuers
   of stocks, changes in worldwide or national economic conditions, the prices
   of equity securities in general and the Trust's stocks in particular.


3. YEAR 2000 PROBLEM RISKS



 o Many computer systems were designed in such a way that they may be unable to
   distinguish between the year 2000 and the year 1900 and therefore may not
   properly process and calculate date-related information and data (commonly
   known as the "Year 2000 Problem"). As with all investment and financial
   entities, the Year 2000 Problem may have an adverse impact upon the
   handling of securities trades, pricing and account services and other
   activities conducted by or for the Trust. The Sponsor and the Trustee have
   taken steps to address the Year 2000 Problem with respect to the computer
   systems they use and to obtain reasonable assurances that similar steps
   have been taken by the Trust's other service providers. Operations ran
   smoothly from the last week in December through February, but the Year 2000
   Problem may yet have an adverse impact on financial market participants and
   other entities, including the companies whose stocks are contained in the
   Trust's Portfolio.




FEES AND EXPENSES


     This table shows the fees and expenses a Unitholder may pay, either
directly or indirectly, when investing in Units of the Trust.


                                      A-6
<PAGE>

ESTIMATED ANNUAL OPERATING EXPENSES OF THE TRUST



<TABLE>
<CAPTION>
                                                          AMOUNT
                                                         AS A % OF        AMOUNT PER
                                                        NET ASSETS      $1,000 INVESTED
                                                        (AS OF THE        (AS OF THE
                                                       FIRST DAY OF      FIRST DAY OF
                                                        THE TRUST)        THE TRUST)
                                                       ------------     ---------------
<S>                                                   <C>              <C>
   Trustee's Fee                                           .172%            $ 1.70
   Portfolio, Bookkeeping and Administrative Expenses      .078%            $ 0.77
   Other Operating Expenses                                .024%            $ 0.24
                                                           ----             ------
      Total                                                .274%            $ 2.71
                                                           ====             ======
ESTIMATED INITIAL ORGANIZATIONAL COSTS OF THE TRUST(1)     .202%            $ 2.00
                                                           ----             ------
SALES CHARGES(2)
   Maximum 1% Initial Sales Charge
   Total Deferred Sales Charges of $25.00 per 100
    Units(3)

</TABLE>


- ----------
(1)   Applicable only to purchasers of Units during the initial offering
      period.

(2)   Unitholders pay a combination of Initial and Deferred Sales Charges. The
      Initial Sales Charge is reduced for purchasers of Units worth $50,000 or
      more. Also, certain classes of investors are entitled to reduced sales
      charges. For futher details, see "Public Offering of Units -- Sales
      Charge and Volume Discount" and "-- Employee Discount" in Part B of this
      Prospectus.


(3)   The Deferred Sales Charge of $2.50 per 100 Units will be deducted from
      the Trust's net asset value on the tenth (10th) day of each month from
      month 8 (October) through month 12 (February) in both years one (1) and
      two (2) of the Trust's 3-year life, aggregating $25.00 per 100 Units
      during such period. See "Public Offering Price -- Sales Charge and Volume
      Discount" and "Administration of the Trust" in Part B of this Prospectus
      for further details.



EXAMPLE

     This example may help you compare the cost of investing in the Trust to
the cost of investing in other funds.

     The example below assumes that you invest $10,000 in the Trust for the
periods indicated and then either redeem or do not redeem your Units at the end
of those periods. The example also assumes a 5% return on your investment each
year and that the Trust's annual operating expenses stay the same. Although
your actual costs may be higher or lower, based on these assumptions your costs
would be:


1 YEAR      2 YEARS     3 YEARS
- --------   ---------   --------
$  272        $424       $451


     See "Expenses of the Trust" in Part B of this Prospectus for additional
information regarding expenses.


                                      A-7
<PAGE>

BRIEF DESCRIPTION OF THE TRUST'S INVESTMENT PORTFOLIO.


 o  The common stocks in the Trust's portfolio have been issued by companies
    who receive income and derive revenues primarily from the technology and
    telecommunications sectors participating in the building of the Info
    Utility industry, but whose primary industry is listed in the "Schedule of
    Investments" in Part A of this Prospectus.

 o  The "Schedule of Investments" in Part A of this Prospectus also identifies
    how each stock was selected in light of the Investment Strategy for the
    Trust.




                                            APPROXIMATE PERCENT OF AGGREGATE
PRIMARY INDUSTRY SOURCE                        MARKET VALUE OF THE TRUST
- ----------------------------------------   ---------------------------------
Cable TV ...............................                  3.86%
Computers -- Hardware/Software .........                 30.64%
Electronics/Semi-Conductors ............                  3.88%
Internet Content .......................                  7.63%
Internet Software ......................                 23.23%
Networking Products ....................                  3.87%
Retail -- Consumer Electronics .........                  3.88%
Satellite Broadcasting .................                  3.77%
Telecommunications .....................                 19.24%


IS THIS TRUST APPROPRIATE FOR YOU?

     Yes, if you are seeking capital appreciation over the life of the Trust by
investing in common stocks issued by companies which PaineWebber selected for
their growth potential. You will receive an interest in a professionally
selected portfolio whose risk is reduced by investing in stocks of several
different issuers. Because this portfolio focuses on one industry, it should be
considered as a vehicle for investing a portion of your assets and not as a
complete equity investment program.

     No, if you are not comfortable with the portfolio, if you want a more
diversified portfolio, if you want an investment that changes to take advantage
of market movements, if you are unable or unwilling to assume the risks
involved generally with equity investments or the increased risks involved with
an aggressive growth equity investment, or if you need current income or if you
are seeking preservation of capital.


                                      A-8
<PAGE>


                   ESSENTIAL INFORMATION REGARDING THE TRUST

                           AS OF FEBRUARY 29, 2000(1)



<TABLE>
<CAPTION>
<S>                                                                           <C>
SPONSOR:  PaineWebber Incorporated

TRUSTEE:  Investors Bank & Trust Company

INITIAL DATE OF DEPOSIT: March 1, 2000
   TOTAL VALUE OF SECURITIES HELD BY THE TRUST: .............................   $990,020
   TOTAL NUMBER OF UNITS(2): ................................................   100,000
   FRACTIONAL UNDIVIDED INTEREST IN THE TRUST REPRESENTED BY EACH UNIT: .....   1/100,000th
   CALCULATION OF PUBLIC OFFERING PRICE PER UNIT(2), (3)
    Public Offering Price per Unit ..........................................   $10.00
    Less Reimbursement to Sponsor for Initial Organizational Costs6 .........   $0.02
    Less Initial Sales Charge(4)* of 1% of Offering Price
     (1.00% of net amount invested per 100 Units) ...........................   $0.10
    Net Asset Value per Unit ................................................   $9.88
    Net Asset Value for 100,000 Units .......................................   $988,020
    Divided by 100,000 Units(2)..............................................   $9.88

REDEMPTION VALUE**: .........................................................   $9.775

EVALUATION TIME: ............................................................   Closing time of the regular
                                                                                  trading session on the New
                                                                                  York Stock Exchange, Inc.
                                                                                  (ordinarily 4:00 P.M. New
                                                                                  York time).

INCOME ACCOUNT DISTRIBUTION DATES(5): .......................................   December 25, 2000 and
                                                                                  annually thereafter and on
                                                                                  the Mandatory
                                                                                  Termination Date.

CAPITAL ACCOUNT DISTRIBUTION DATES(5): ......................................   December 25, 2000, and
                                                                                  annually thereafter and on
                                                                                  the Mandatory
                                                                                  Termination Date. No
                                                                                  distributions of less than
                                                                                  $.05 per Unit need be
                                                                                  made from the Capital
                                                                                  Account on any
                                                                                  Distribution Date.

RECORD DATES: ...............................................................   December 10, 2000 and
                                                                                  annually thereafter.

MANDATORY TERMINATION DATE: .................................................   March 31, 2003

DISCRETIONARY LIQUIDATION AMOUNT: ...........................................   50% of the value of Securities
                                                                                  upon completion of the
                                                                                  deposit of the Securities.

ESTIMATED INITIAL ORGANIZATIONAL COSTS OF THE TRUST(6): .....................   $0.02 per Unit.
</TABLE>



                                                          Continued on page A-10


                                      A-9
<PAGE>



<TABLE>
<CAPTION>
<S>                                                                         <C>
ESSENTIAL INFORMATION REGARDING THE TRUST (CONTINUED)
ESTIMATED ANNUAL OPERATING EXPENSES OF THE TRUST(7) .....................   $0.0271 per Unit.
 Trustee's Fee ..........................................................   $0.0170 per Unit.
 Portfolio, Bookkeeping and Administrative Expenses .....................   $0.0077 per Unit.
 Other Operating Expenses ...............................................   $0.0024 per Unit.
</TABLE>


- ----------
1 The date prior to the Initial Date of Deposit.

2 As of the close of business on the Initial Date of Deposit, the number of
  Units may be adjusted so that the Public Offering Price Per Unit will equal
  approximately $10.00, based on the 4:00 p.m. Eastern time valuation of the
  Stocks in the Portfolio on such date. Subsequently, to the extent of any
  such adjustment in the number of Units, the fractional undivided interest
  per Unit will increase or decrease accordingly, from the amounts indicated
  above.


3 The Public Offering Price will be based upon the value of the stocks next
  computed following any purchase orders received plus the applicable sales
  charges and will vary on any date after March 1, 2000 from the Public
  Offering Price per Unit shown above. Following the Initial Date of Deposit,
  costs incurred in purchasing additional securities will be at the expense of
  the Trust. Any investor purchasing Units after the Initial Date of Deposit
  will also pay a proportionate share of any accumulated dividends in the
  Income Account. (See "Essential Information Regarding the Trust--Additional
  Deposits," "Risk Factors and Special Considerations" and "Valuation" in Part
  B of this Prospectus).

4 The Initial Sales Charge is 1% per 100 Units. In addition, ten (10) monthly
  Deferred Sales Charges of $2.50 per 100 Units (totalling $25.00 per 100
  Units) will be deducted from the Trust's net asset value on the tenth (10th)
  day of each month from month 8 (October) through month 12 (February) in both
  years one (1) and two (2) of the Trust's three year life. The Initial Sales
  Charge is reduced on purchases of Units worth $50,000 or more. See "Public
  Offering of Units--Sales Charge and Volume Discount" in Part B of this
  Prospectus.


5 See "Distributions" in Part B of this Prospectus.


6 Investors purchasing Units during the initial offering period will reimburse
  the Sponsor for all or a portion of the costs incurred by the Sponsor in
  connection with organizing the Trust and offering the Units for sale
  described more fully in "Public Offering Price" in Part B of this Prospectus
  (collectively, the "Initial Organizational Costs"). These costs have been
  estimated at $0.02 per Unit based upon the expected number of Units to be
  created during the initial offering period. Certain Stocks purchased with
  the proceeds of the Public Offering Price will be sold by the Trustee at the
  completion of the initial public offering period to reimburse the Sponsor
  for Initial Organizational Costs actually incurred. If the actual Initial
  Organizational Costs are less than the estimated amount, only the actual
  Initial Organizational Costs will be deducted from the assets of the Trust.
  If, however, the amount of the actual Initial Organizational Costs are
  greater than the estimated amount, only the estimated amount of the Initial
  Organizational Costs will be deducted from the assets of the Trust.


7 See "Expenses of the Trust" in Part B of this Prospectus. Estimated dividends
  from the stocks purchased, based upon last dividends actually paid, are
  expected by the Sponsor to be insufficient to pay estimated annual expenses
  of the Trust. If such dividends and income paid are insufficient to pay
  expenses, the Trustee is authorized to sell stocks in an amount sufficient
  to pay such expenses. (See "Administration of the Trust" and "Expenses of
  the Trust" in Part B of this Prospectus.)

*  The sales charge will not be assessed on stocks sold to reimburse the
   Sponsor for the Initial Organizational Costs.

** This figure reflects deduction of the Initial Sales Charge of 1.00% and
   the Deferred Sales Charges for the first year of $0.125 per Unit. As of
   the close of the initial offering period, the Redemption Value will be
   reduced to reflect the payment of Initial Organizational Costs (see
   "Summary of Risk Factors" and "Comparison of Public Offering Price and
   Redemption Value" in Part B of this Prospectus).


                                      A-10
<PAGE>

                        REPORT OF INDEPENDENT AUDITORS



        THE UNITHOLDERS, SPONSOR AND TRUSTEE
        THE PAINEWEBBER EQUITY TRUST, GROWTH STOCK SERIES 24


        We have audited the accompanying Statement of Net Assets of The
        PaineWebber Equity Trust, Growth Stock Series 24, including the
        Schedule of Investments, as of March 1, 2000. This financial statement
        is the responsibility of the Trustee. Our responsibility is to express
        an opinion on this financial statement based on our audit.

        We conducted our audit in accordance with auditing standards generally
        accepted in the United States. Those standards require that we plan and
        perform the audit to obtain reasonable assurance about whether the
        financial statement is free of material misstatement. An audit includes
        examining, on a test basis, evidence supporting the amounts and
        disclosures in the financial statement. Our procedures included
        confirmation with Investors Bank & Trust Company, Trustee, of an
        irrevocable letter of credit deposited for the purchase of securities,
        as shown in the financial statement as of March 1, 2000. An audit also
        includes assessing the accounting principles used and significant
        estimates made by the Trustee, as well as evaluating the overall
        financial statement presentation. We believe that our audit provides a
        reasonable basis for our opinion.

        In our opinion, the financial statement referred to above presents
        fairly, in all material respects, the financial position of The
        PaineWebber Equity Trust, Growth Stock Series 24 at March 1, 2000, in
        conformity with accounting principles generally accepted in the United
        States.



                                              ERNST & YOUNG LLP



        New York, New York
        March 1, 2000



                                      A-11
<PAGE>

                         THE PAINEWEBBER EQUITY TRUST,
                            GROWTH STOCK SERIES 24
                            STATEMENT OF NET ASSETS

                 AS OF INITIAL DATE OF DEPOSIT, MARCH 1, 2000



<TABLE>
<CAPTION>
<S>                                                                  <C>
                           NET ASSETS
                           ----------
Sponsor's Contracts to Purchase underlying Securities backed by
 irrevocable letter of credit (a) .................................   $  990,020
Reimbursement to Sponsor for Initial Organizational Costs (b) .....       (2,000)
                                                                      ----------
    Total .........................................................   $  988,020
                                                                      ==========
Units outstanding (c) .............................................      100,000
</TABLE>

<TABLE>
<CAPTION>
<S>                                                                 <C>
                     ANALYSIS OF NET ASSETS
                     ----------------------
Cost to investors (d) ............................................   $1,000,000
Less: Gross underwriting commissions (e) .........................       (9,980)
   Reimbursement to Sponsor for Initial Organizational Costs             (2,000)
                                                                     ----------
   Net Assets ....................................................   $  988,020
                                                                     ==========
</TABLE>

- ----------

     (a) The aggregate cost to the Trust of the securities listed under
"Schedule of Investments" in this Prospectus Part A is determined by the
Trustee on the basis set forth under "Public Offering of Units--Public Offering
Price" in Part B of this Prospectus. See also the column headed "Cost of
Securities to Trust" under "Schedule of Investments" in this Prospectus Part A.
Pursuant to contracts to purchase securities, an irrevocable letter of credit
drawn on Bank of America in the amount of $1,500,000 has been deposited with
the Trustee, Investors Bank & Trust Company, for the purchase of $990,020
aggregate value of Securities in the initial deposit and for the purchase of
Securities in subsequent deposits.

     (b) Investors purchasing Units during the initial offering period will
reimburse the Sponsor for all or a portion of the costs incurred by the Sponsor
in connection with organizing the Trust and offering the Units for sale as
described more fully in "Public Offering Price" in Part B of this Prospectus
(collectively, the "Initial Organizational Costs"). These costs have been
estimated at $0.02 per Unit based upon the expected number of Units to be
created during the initial offering period. Certain stocks purchased with the
proceeds of the Public Offering Price will be sold by the Trustee at the
completion of the initial public offering period to reimburse the Sponsor for
Initial Organizational Costs actually incurred. If the actual Initial
Organizational Costs are less than the estimated amount, only the actual
Initial Organizational Costs will be deducted from the assets of the Trust. If,
however, the amount of the actual Initial Organizational Costs are greater than
the estimated amount, only the estimated amount of the Initial Organizational
Costs will be deducted from the assets of the Trust.


     (c) Because the value of stocks at the Evaluation Time on the Initial Date
of Deposit may differ from the amounts shown in this Statement of Net Assets,
the number of Units offered on the Initial Date of Deposit will be adjusted
from the initial number of Units shown to maintain the $10 per Unit offering
price only for that day. The Public Offering Price on any subsequent day will
vary.

     (d) The aggregate public offering price is computed on the basis set forth
under "Public Offering of Units--Public Offering Price" in Part B of this
Prospectus.


     (e) Assumes the maximum Initial Sales Charge of 1.00% of the Public
Offering Price. Additionally, ten (10) monthly Deferred Sales Charges of $2.50
per 100 Units (totalling $25.00 per 100 Units) will be deducted from the
Trust's net asset value on the tenth (10th) day of each month from month 8
(October) through month 12 (February) in both years (1) and (2) of the Trust's
3-year life. Distributions will be made to an account maintained by the Trustee
from which the Deferred Sales Charges obligation of the Unitholders to the
Sponsor will be met. If Units are sold, redeemed or exchanged prior to March
10, 2001, only the balance of the Deferred Sales Charges remaining for the
first year of the Trust will be deducted. If Units are sold, redeemed or
exchanged on or after March 10, 2001, the remaining balance of the Deferred
Sales Charges for the second year of the Trust will be deducted. The sales
charges are computed on the basis set forth under "Public Offering of
Units--Sales Charge and Volume Discount" in Part B of this Prospectus. Based on
the projected total assets of $50,000,000, the estimated aggregate maximum
Deferred Sales Charge in the aggregate would be $1,250,000.

                                      A-12

<PAGE>


                         THE PAINEWEBBER EQUITY TRUST
                             GROWTH STOCK SERIES 24


                            SCHEDULE OF INVESTMENTS


                  AS OF INITIAL DATE OF DEPOSIT, MARCH 1, 2000



COMMON STOCKS (1)



<TABLE>
<CAPTION>
                     PRIMARY INDUSTRY SOURCE AND                         NUMBER OF     COST OF SECURITIES
                            NAME OF ISSUER                                 SHARES        TO TRUST(2)(3)
                            --------------                                 ------        --------------
<S>                                                                     <C>           <C>
Cable TV (3.86%)
 Comcast Corporation* (Electronic Connections to the Web -- Cable)           900         $  38,250.00
Computers -- Hardware/Software (30.64%)
 Citrix Systems, Inc.* (Software)                                            360            37,957.50
 Electronic Data Systems Corporation (Advisors)                              580            37,555.00
 Gateway Inc.* (Personal Computers)                                          560            38,500.00
 Hewlett-Packard Company (Hardware -- Printers)                              290            39,005.00
 International Business Machines Corporation (IBM) (Hardware --
   Enterprise Hardware)                                                      360            36,720.00
 Microsoft Corporation* (Software)                                           430            38,431.25
 Oracle Corporation* (Software)                                              510            37,867.50
 Sun Microsystems, Inc.* (Hardware -- Enterprise Hardware)                   390            37,147.50
Electronics/Semi-Conductors (3.88%)
 Intel Corporation (Hardware -- Enterprise Hardware)                         340            38,420.00
Internet Content (7.63%)
 InfoSpace.com, Inc.* (Software)                                             170            36,890.00
 Network Solutions, Inc.* (Domain Names)                                     120            38,692.50
Internet Software (23.23%)
 America Online, Inc.* (Internet Service Providers)                          660            38,940.00
 Digex, Inc.* (Operators of Server Farms)                                    230            37,260.00
 Exodus Communications, Inc.* (Operators of Server Farms)                    270            38,441.25
 Proxicom, Inc.* (Advisors)                                                  910            38,106.25
 Scient Corporation* (Advisors)                                              550            38,912.50
 Verio Inc.* (Operators of Server Farms)                                     510            38,281.24
Networking Products (3.87%)
 Cisco Systems, Inc.* (Hardware -- Telecom Equipment)                        290            38,334.38
Retail -- Consumer Electronics (3.88%)
 Tandy Corporation (Electronic Connections to the Web -- Retailers)        1,010            38,443.13
Satellite Broadcasting (3.77%)
 General Motors Corporation - Class H* (Hughes Electronics)                  310            37,355.00
   (Electronic Connections to the Web -- Satellite)
Telecommunications (19.24%)
 AT&T Corp. (Electronic Connections to the Web -- Cable)                     780            38,561.25
 Lucent Technologies Inc. (Hardware -- Telecom Equipment)                    640            38,080.00
 MCI WorldCom, Inc.* (Bandwidth Providers)                                   850            37,931.25
</TABLE>


                                      A-13
<PAGE>

                         THE PAINEWEBBER EQUITY TRUST
                             GROWTH STOCK SERIES 24

                      SCHEDULE OF INVESTMENTS (CONTINUED)

                  AS OF INITIAL DATE OF DEPOSIT, MARCH 1, 2000

COMMON STOCKS (1)



<TABLE>
<CAPTION>
                   PRIMARY INDUSTRY SOURCE AND                      NUMBER OF     COST OF SECURITIES
                         NAME OF ISSUER                               SHARES        TO TRUST(2)(3)
                         --------------                               ------        --------------
 Telecommunications (continued)
<S>                                                                <C>           <C>
 Nortel Networks Corporation (Hardware -- Telecom Equipment)           340          $  37,910.00
 Qwest Communications International Inc.* (Bandwith Providers)         820             38,027.50
                                                                                    ------------
   TOTAL INVESTMENTS                                                                $ 990,020.00
                                                                                    ============
</TABLE>


- ----------
(1)   All stocks are represented entirely by contracts to purchase such stocks.

(2)   Valuation of the stocks by the Trustee was made as described in
      "Valuation" in Part B of this Prospectus as of the close of business on
      the business day prior to the Initial Date of Deposit.

(3)   The loss to the Sponsor on the Initial Date of Deposit is $1.
 *    Non-income producing security.



                                      A-14
<PAGE>

                      [THIS PAGE INTENTIONALLY LEFT BLANK]


<PAGE>

                           PAINEWEBBER EQUITY TRUST
                             GROWTH STOCK SERIES 24



     THE SECURITIES AND EXCHANGE COMMISSION HAS NOT APPROVED OR DISAPPROVED
THESE SECURITIES NOR PASSED UPON THE ADEQUACY OF THIS PROSPECTUS. ANY
REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.



                                    SPONSOR:



                            PAINEWEBBER INCORPORATED

         Prospectus Part B may not be distributed unless accompanied by
                              Prospectus Part A.


     This Prospectus Part B contains a description of the important features of
the PaineWebber Equity Trust, Growth Stock Series 24 and also includes a more
detailed discussion of the investment risks that a Unitholder might face while
holding Trust Units.


            THIS PROSPECTUS CONSISTS OF TWO PARTS: PART A AND PART B.
                     PROSPECTUS PART B DATED MARCH 1, 2000.



<PAGE>

                      [THIS PAGE INTENTIONALLY LEFT BLANK]


<PAGE>

                           PAINEWEBBER EQUITY TRUST
                            GROWTH STOCK SERIES 24
                               PROSPECTUS PART B

- --------------------------------------------------------------------------------

                    THE COMPOSITION OF THE TRUST PORTFOLIO

     The objective of the PaineWebber Equity Trust, Growth Stock Series 24 (the
"Trust") is to provide for capital appreciation through an investment in equity
stocks which have, in the Sponsor's opinion on the Initial Date of Deposit, an
above-average potential for capital appreciation, because the issuers of such
stocks are likely to prosper from emergence of and rise in the Info Utility
industry as described in Part A. (Such stocks are referred to herein as the
"Stocks" or the "Securities".) OF COURSE, THERE CAN BE NO ASSURANCE THAT THE
OBJECTIVE OF THE TRUST WILL BE ACHIEVED.

     Additional Deposits. After the first deposit on the Initial Date of
Deposit the Sponsor may, from time to time, cause the deposit of additional
Securities ("Additional Securities") in the Trust where additional Units are to
be offered to the public. (See "The Trust" in Part B of this Prospectus). Costs
incurred in acquiring such Additional Securities will be borne by the Trust.
Unitholders will experience a dilution of their investment as a result of such
brokerage fees and other expenses paid by the Trust during such deposits of
Additional Securities purchased by the Trustee with cash or cash equivalents
pursuant to instructions to purchase such Additional Securities. (See "The
Trust" and "Risk Factors and Special Considerations" in Part B of this
Prospectus.)


     Public Offering Price.  Units will be charged a combination of an Initial
Sales Charge on the date of purchase of 1.00% of the Public Offering Price,
plus Deferred Sales Charges which will aggregate $25.00 per 100 Units over the
first (1st) and second (2nd) years of the Trust's life. For example, on the
Initial Date of Deposit, on a $1,000 investment, $990.00 is invested in the
Trust and a $10.00 Initial Sales Charge is collected. In addition, a Deferred
Sales Charge of $2.50 per 100 Units will be deducted from the Trust's net asset
value on the tenth (10th) day of each month from month 8 (October) through
month 12 (February ) in both years one (1) and two (2) of the Trust's 3-year
term, for a total of $25.00. This deferred method of payment keeps more of the
investor's money invested over a longer period of time than would be the case
if a single sales charge of the same amount were collected on the initial date
of purchase. The sales charges are reduced on a graduated scale for volume
purchasers and are reduced for employees of the Sponsor. Units are offered at
the Public Offering Price computed as of the Evaluation Time for all sales
subsequent to the previous evaluation. The Public Offering Price on the Initial
Date of Deposit, and on subsequent dates, will vary from the Public Offering
Price set forth under "Essential Information Regarding the Trust" in Part A of
this Prospectus. Units redeemed or repurchased prior to the accrual of the
final Deferred Sales Charge installment may, depending upon the date of such
redemption or repurchase, have the amount of any remaining installments
deducted from the redemption or repurchase proceeds. (See "Public Offering of
Units" in Part B of this Prospectus.) In addition, during the initial public
offering period, the Public Offering Price will include an amount sufficient to
reimburse the Sponsor for the payment of all or a portion of the Initial
Organizational Costs described more fully in "Public Offering Price" in Part B
of this Prospectus.


     Distributions. The Stocks in the Trust were chosen for their potential for
capital appreciation, not for their income potential. The Trustee will make
distributions on the Distribution Dates. (See "Distributions" and
"Administration of the Trust" in Part B of this Prospectus.) Unitholders may
elect to have their Income Account and Capital Account distributions, if any,
automatically reinvested into additional Units of the Trust at no Initial Sales
Charge (see "Reinvestment Plan" in Part B of this


                                      B-1
<PAGE>

Prospectus). (Such Units will be subject to the Deferred Sales Charges.) Upon
termination of the Trust, the Trustee will distribute to each Unitholder of
record on such date his pro rata share of the Trust's assets, less expenses.
The sale of Securities in the Trust in the period prior to termination and upon
termination may result in a lower amount than might otherwise be realized if
such sale were not required at such time due to impending or actual termination
of the Trust. For this reason, among others, the amount realized by a
Unitholder upon termination may be less than the amount paid by such
Unitholder.


     Termination. Unitholders may receive their termination proceeds in cash
(or, at the Sponsor's election, in kind for distributions in excess of
$500,000) after the Trust terminates (see "Termination of the Trust" in Part B
of this Prospectus). Unless advised to the contrary by the Sponsor, the Trustee
will begin to sell the Securities held in the Trust fifteen days prior to the
Mandatory Termination Date. Moneys held upon such sale or maturity of
Securities will be held in non-interest bearing accounts created by the
Indenture until distributed and will be of benefit to the Trustee. The Trust
will terminate approximately three (3) years after the Initial Date of Deposit
regardless of market conditions at the time. (See "Termination of the Trust"
and "Federal Income Taxes" in Part B of this Prospectus.)


     Market for Units. The Sponsor, though not obligated to do so, presently
intends to maintain a secondary market for Units. The public offering price in
the secondary market will be based upon the value of the Securities next
determined after receipt of a purchase order, plus the applicable sales charge.
(See "Public Offering of Units--Public Offering Price" and "Valuation" in Part
B of this Prospectus.) If a secondary market is not maintained, a Unitholder
may dispose of his Units only through redemption. With respect to redemption
requests in excess of $500,000, the Sponsor may determine in its sole
discretion to direct the Trustee to redeem units "in kind" by distributing
Securities to the redeeming Unitholder. (See "Redemption" in Part B of this
Prospectus.)


THE TRUST

     The Trust is one of a series of similar but separate unit investment
trusts created under New York law by the Sponsor pursuant to a Trust Indenture
and Agreement* (the "Indenture") dated as of the Initial Date of Deposit,
between PaineWebber Incorporated, as Sponsor and Investors Bank & Trust
Company, as Trustee (the "Trustee"). The objective of the Trust is capital
appreciation through an investment principally in equity stocks having, in
Sponsor's opinion on the Initial Date of Deposit, potential for capital
appreciation. Of course, there can be no assurance that the objective of the
Trust will be achieved.

     On the Initial Date of Deposit, the Sponsor deposited with the Trustee
confirmations of contracts for the purchase of Stocks together with an
irrevocable letter or letters of credit of a commercial bank or banks in an
amount at least equal to the purchase price. The value of the Securities was
determined on the basis described under "Valuation." In exchange for the
deposit of the contracts to purchase Securities, the Trustee delivered to the
Sponsor a receipt for Units representing the entire ownership of the Trust.


     With the deposit on the Initial Date of Deposit, the Sponsor established a
proportionate relationship between the Securities in the Trust (determined by
reference to the number of shares of each issue of Stock). The Sponsor may,
from time to time, cause the deposit of Additional Securities in the Trust when
additional Units are to be offered to the public or pursuant to the
Reinvestment Plan. During the 90-day period following the Initial Date of
Deposit, deposits of Additional Securities or cash in connection with the
issuance and sale of additional Units will maintain, to the extent practicable,
the original



- ----------
*Reference is hereby made to such Trust Indenture and Agreement and any
statements contained in both Parts A and B of this Prospectus are qualified in
their entirety by the provisions of such Trust Indenture and Agreement.


                                      B-2
<PAGE>


proportionate relationship among the number of shares of each Security. The
original proportionate relationship is subject to adjustment to reflect the
occurrence of a stock split or a similar event which affects the capital
structure of the the issuer of a Security but which does not affect the Trust's
percentage ownership of the common stock equity of such issuer at the time of
such event, to reflect a merger or reorganization, to reflect the acquisition
of Securities or to reflect a sale or other disposition of a Security. It may
not be possible to maintain the exact original proportionate relationship among
the Securities deposited on the Initial Date of Deposit because of, among other
reasons, purchase requirements, changes in prices, brokerage commissions or
unavailability of Securities (see "Administration of the Trust--Portfolio
Supervision" in this Prospectus Part B). Units may be continuously offered to
the public by means of this Prospectus (see "Public Offering Of Units--Public
Offering Price" in this Prospectus Part B) resulting in a potential increase in
the number of Units outstanding. Deposits of Additional Securities subsequent
to the 90-day period following the Initial Date of Deposit must replicate
exactly the proportionate relationship among the number of shares of each of
the Securities comprising the Portfolio immediately prior to such deposit of
Additional Securities. Stock dividends issued in lieu of cash dividends, if
any, received by the Trust will be sold by the Trustee and the proceeds
therefrom shall be added to the Income Account. (See "Administration of the
Trust" and "Reinvestment Plan" in Part B of this Prospectus).



     On the Initial Date of Deposit each Unit represented the fractional
undivided interest in the Securities and net income of the Trust set forth
under "Essential Information Regarding the Trust" in Part A of this Prospectus.
However, if additional Units are issued by the Trust (through the deposit of
Additional Securities for purposes of the sale of additional Units or pursuant
to the Reinvestment Plan), the aggregate value of Securities in the Trust will
be increased and the fractional undivided interest represented by each Unit in
the balance will be decreased. If any Units are redeemed, the aggregate value
of Securities in the Trust will be reduced, and the fractional undivided
interest represented by each remaining Unit in the balance will be increased.
Units will remain outstanding until redeemed upon tender to the Trustee by any
Unitholder (which may include the Sponsor) or until the termination of the
Trust. (See "Termination of the Trust" in Part B of this Prospectus.)

     INVESTORS SHOULD BE AWARE THAT THE TRUST, UNLIKE A MUTUAL FUND, IS NOT A
"MANAGED" FUND AND AS A RESULT THE ADVERSE FINANCIAL CONDITION OF A COMPANY
WILL NOT RESULT IN ITS ELIMINATION FROM THE PORTFOLIO EXCEPT UNDER CERTAIN
LIMITED CIRCUMSTANCES (SEE "TRUST ADMINISTRATION--PORTFOLIO ADMINISTRATION" IN
PART B OF THIS PROSPECTUS). IN ADDITION, SECURITIES WILL NOT BE SOLD BY THE
TRUST TO TAKE ADVANTAGE OF MARKET FLUCTUATIONS OR CHANGES IN ANTICIPATED RATES
OF APPRECIATION.

     Investors should note that PaineWebber, in its general securities
business, acts as agent or principal in connection with the purchases and sales
of equity securities, including the Securities in the Trust, and may act as a
market maker in certain of the Securities. PaineWebber also from time to time
issues reports and may make recommendations relating to equity securities,
including the Securities in the Trust, and has provided, and may continue to
provide, investment banking services to the issuers of the Securities.


     Investors should note in particular that the Securities were selected by
the Sponsor as of the day before the Initial Date of Deposit. The Trust may
continue to purchase Additional Securities when additional Units are offered to
the public or pursuant to the Reinvestment Plan, or may continue to hold
Securities originally selected through this process. This may be the case even
though the evaluation of the attractiveness of such Securities may have changed
and, if the evaluation were performed again at that time, the Securities would
not be selected for the Trust. In addition, the Sponsor may continue to sell
Trust Units even if PaineWebber changes a recommendation relating to one or
more Securities in the Trust.



                                      B-3
<PAGE>

RISK FACTORS AND SPECIAL CONSIDERATIONS

     An investment in Units of the Trust should be made with an understanding
of the risks inherent in an investment in common stocks in general. The general
risks are associated with the rights to receive payments from the issuer which
are generally inferior to creditors of, or holders of debt obligations or
preferred stocks issued by, the issuer. Holders of common stocks have a right
to receive dividends only when and if, and in the amounts, declared by the
issuer's board of directors and to participate in amounts available for
distribution by the issuer only after all other claims against the issuer have
been paid or provided for. By contrast, holders of preferred stocks have the
right to receive dividends at a fixed rate when and as declared by the issuer's
board of directors, normally on a cumulative basis, but do not participate in
other amounts available for distribution by the issuing corporation. Dividends
on cumulative preferred stock must be paid before any dividends are paid on
common stock. Preferred stocks are also entitled to rights on liquidation which
are senior to those of common stocks. For these reasons, preferred stocks
generally entail less risk than common stocks.

     The Trust is not appropriate for investors who require high current income
or seek conservation of capital.

     Common stocks do not represent an obligation of the issuer. Therefore they
do not offer any assurance of income or provide the degree of protection of
debt securities. The issuance of debt securities or even preferred stock by an
issuer will create prior claims for payment of principal, interest and
dividends which could adversely affect the ability and inclination of the
issuer to declare or pay dividends on its common stock or the rights of holders
of common stock with respect to assets of the issuer upon liquidation or
bankruptcy. Unlike debt securities which typically have a stated principal
amount payable at maturity, common stocks do not have a fixed principal amount
or a maturity. Additionally, the value of the Stocks in the Trust may be
expected to fluctuate over the life of the Trust.

     In addition, there are investment risks common to all equity issues. The
Stocks may appreciate or depreciate in value depending upon a variety of
factors, including the full range of economic and market influences affecting
corporate profitability, the financial condition of issuers, changes in
national or worldwide economic conditions, and the prices of equity securities
in general and the Stocks in particular. Distributions of income, generally
made by declaration of dividends, is also dependent upon several factors,
including those discussed above in the preceding sentence.

     Certain of the Stocks in the Trust may be ADRs which are subject to
additional risks. (See "Schedule of Investments" in Part A of this Prospectus.)
ADRs evidence American Depositary Shares ("ADS"), which, in turn, represent
common stock of foreign issuers deposited with a custodian in a depositary.
(For purposes of this Prospectus, the term "ADR" generally includes "ADS".)
ADRs involve certain investment risks that are different from those found in
stocks issued by domestic issuers. These investment risks include potential
political and economic developments, potential establishment of exchange
controls, new or higher levels of taxation, or other governmental actions which
might adversely affect the payment or receipt of payment of dividends on the
common stock of foreign issuers underlying such ADRs. ADRs may also be subject
to current foreign taxes, which could reduce the yield on such securities.
Also, certain foreign issuers are not subject to reporting requirements under
U.S. securities laws and therefore may make less information publicly available
than that provided by domestic issuers. Further, foreign issuers are not
necessarily subject to uniform financial reporting, auditing and accounting
standards and practices which are applicable to publicly traded domestic
issuers.

     In addition, the securities underlying the ADRs held in the Trust are
generally denominated, and pay dividends, in foreign currency. An investment in
securities denominated and principally traded in foreign


                                      B-4
<PAGE>

currencies involves investment risk substantially different than an investment
in securities that are denominated and principally traded in U.S. dollars. This
is due to currency exchange rate risk, because the U.S. dollar value of the
shares underlying the ADRs and of their dividends will vary with the
fluctuations in the U.S. dollar foreign exchange rates for the relevant
currency in which the shares underlying the ADRs are denominated. The Trust,
however, will compute its income in United States dollars, and to the extent
any of the Stocks in the Trust pay income or dividends in foreign currency, the
Trust's computation of income will be made on the date of its receipt by the
Trust at the foreign exchange rate then in effect. PaineWebber observes that,
in the recent past, most foreign currencies have fluctuated widely in value
against the U.S. dollar for many reasons, including the soundness of the world
economy, supply and demand of the relevant currency, and the strength of the
relevant regional economy as compared to the economies of the United States and
other countries. Exchange rate fluctuations are also dependent, in part, on a
number of economic factors including economic conditions within the relevant
country, interest rate differentials between currencies, the balance of imports
and exports of goods and services, and the transfer of income and capital from
one country to another. These economic factors in turn are influenced by a
particular country's monetary and fiscal policies, perceived political
stability (particularly with respect to transfer of capital) and investor
psychology, especially that of institutional investors, who make assessments of
the future relative strength or weakness of a particular currency. As a general
rule, the currency of a country with a low rate of inflation and a favorable
balance of trade should increase in value relative to the currency of a country
with a high rate of inflation and deficits in the balance of trade.

     Investors should note that the creation of additional Units subsequent to
the Initial Date of Deposit may have an effect upon the value of previously
existing Units. To create additional Units the Sponsor may deposit cash (or
cash equivalents, e.g., a bank letter of credit in lieu of cash) with
instructions to purchase Additional Securities in amounts and in percentage
relationships described above under "The Trust." To the extent the price of a
Security increases or decreases between the time cash is deposited with
instructions to purchase the Additional Security and the time the cash is used
to purchase the Additional Security, Units will represent less or more of that
Security and more or less of the other Securities in the Trust. Unitholders
will be at risk because of price fluctuations during this period since if the
price of shares of a Security increases, Unitholders will have an interest in
fewer shares of that Security, and if the price of a Security decreases,
Unitholders will have an interest in more shares of that Security, than if the
Security had been purchased on the date cash was deposited with instructions to
purchase the Security. In order to minimize these effects, the Trust will
attempt to purchase Additional Securities as closely as possible to the
Evaluation Time or at prices as closely as possible to the prices used to
evaluate the Trust at the Evaluation Time. Thus price fluctuations during this
period will affect the value of every Unitholder's Units and the income per
Unit received by the Trust. In addition, costs incurred in connection with the
acquisition of Additional Securities will be at the expense of the Trust and
will affect the value of every Unitholder's Units.


     In the event a contract to purchase a Stock to be deposited on the Initial
Date of Deposit or any other date fails, cash held or available under a letter
or letters of credit, attributable to such failed contract may be reinvested in
another stock or stocks having characteristics sufficiently similar to the
Stocks originally deposited (in which case the original proportionate
relationship shall be adjusted) or, if not so reinvested, distributed to
Unitholders of record on the last day of the month in which the failure
occurred. The distribution will be made fifteen days following such record date
and, in the event of such a distribution, the Sponsor will refund to each
Unitholder the portion of the sales charge attributable to such failed
contract.



                                      B-5
<PAGE>

     BECAUSE THE TRUST IS ORGANIZED AS A UNIT INVESTMENT TRUST, RATHER THAN AS
A MANAGEMENT INVESTMENT COMPANY, THE TRUSTEE AND THE SPONSOR DO NOT HAVE
AUTHORITY TO MANAGE THE TRUST'S ASSETS FULLY IN AN ATTEMPT TO TAKE ADVANTAGE OF
VARIOUS MARKET CONDITIONS TO IMPROVE THE TRUST'S NET ASSET VALUE, BUT MAY
DISPOSE OF SECURITIES, OR ACQUIRE NEW SECURITIES, ONLY UNDER LIMITED
CIRCUMSTANCES. (SEE THE DISCUSSION BELOW RELATING TO DISPOSITION OF STOCKS
WHICH MAY BE THE SUBJECT OF A TENDER OFFER, MERGER OR REORGANIZATION UNDER THE
CAPTION "ADMINISTRATION OF THE TRUST--PORTFOLIO SUPERVISION" IN PART B OF THIS
PROSPECTUS.)

     A number of the Securities in the Trust may also be owned by other clients
of the Sponsor. However, because these clients may have investment objectives
which differ from that of the Trust, the Sponsor may sell certain Securities
from such clients' accounts in instances where a sale of such Securities by the
Trust would be impermissible, such as to maximize return by taking advantage of
attractive market fluctuations in such Securities. As a result, the amount
realized upon the sale of the Securities from the Trust may not be the highest
price attained for an individual Security during the life of the Trust.


     Many computer systems were designed in such a way that they may be unable
to distinguish between the year 2000 and the year 1900 and therefore may not
properly process and calculate date-related information and data (commonly
known as the "Year 2000 Problem"). As with all investment and financial
entities, the Year 2000 Problem may have an adverse impact upon the handling of
securities trades, pricing and account services and other activities conducted
by or for the Trust. The Sponsor and the Trustee have taken steps to address
the Year 2000 Problem with respect to the computer systems they use and to
obtain reasonable assurances that similar steps have been taken by the Trust's
other service providers. Operations ran smoothly from the last week in December
through February, but the Year 2000 Problem may yet have an adverse impact on
financial market participants and other entities, including the companies whose
stocks are contained in the Trust's Portfolio.


     The Sponsor may have acted as underwriter, manager, or co-manager of a
public offering of the Securities deposited into the Trust on the Initial Date
of Deposit, or as an adviser to one or more of the issuers of the Securities,
during the last three (3) years. The Sponsor or affiliates of the Sponsor may
serve as specialists in the Securities on one or more stock exchanges and may
have a long or short position in any of these Securities or in options on any
of them, and may be on the opposite sides of public orders executed on the
floor of an exchange where the Securities are listed. The Sponsor may trade for
its own account as an odd-lot dealer, market maker, block positioner and/or
arbitrageur in any of the Securities or options on them. The Sponsor, its
affiliates, directors, elected officers and employee benefits programs may have
either a long or short position in any of the Securities or in options on them.

     The Sponsor does not know of any pending litigation as of the Initial Date
of Deposit that might reasonably be expected to have a material adverse effect
on the Portfolio, although pending litigation may have a material adverse
effect on the value of Securities in the Portfolio. In addition, at any time
after the Initial Date of Deposit, litigation may be initiated on a variety of
grounds, or legislation may be enacted, affecting the Securities in the
Portfolio or the issuers of such Securities. Changing approaches to regulation
may have a negative impact on certain companies represented in the Portfolio.
There can be no assurance that future litigation, legislation, regulation or
deregulation will not have a material adverse effect on the Portfolio or will
not impair the ability of issuers of the Securities to achieve their business
goals.

     Certain of the Stocks may be attractive acquisition candidates pursuant to
mergers, acquisitions and tender offers. In general, tender offers involve a
bid by an issuer or other acquiror to acquire a stock based on the terms of its
offer. Payment generally takes the form of cash, securities (typically bonds or
notes),


                                      B-6
<PAGE>


or cash and securities. The Indenture contains provisions requiring the Trustee
to follow certain procedures regarding mergers, acquisitions, tender offers and
other corporate actions. Under certain circumstances, the Trustee, at the
direction of the Sponsor, may hold or sell any stock or securities received in
connection with such corporate actions (see "Administration of the
Trust--Portfolio Supervision" in Part B of this Prospectus).


FEDERAL INCOME TAXES

     In the opinion of Carter, Ledyard & Milburn, counsel for the Sponsor,
   under existing law:

     1. The Trust is not an association taxable as a corporation for federal
   income tax purposes. Under the Internal Revenue Code of 1986, as amended
   (the "Code"), each Unitholder will be treated as the owner of a pro rata
   portion of the Trust, and income of the Trust will be treated as income of
   the Unitholder. Each Unitholder will be considered to have received all of
   the dividends paid on such Unitholder's pro rata portion of each Security
   when such dividends are received by the Trust, whether or not such
   dividends are used to pay a portion of Trust expenses or whether they are
   automatically reinvested in additional Trust Units (see "Reinvestment Plan"
   in this Prospectus Part B).

     2. Each Unitholder will have a taxable event when the Trust disposes of a
   Security (whether by sale, exchange, or other disposition) or when the
   Unitholder sells its Units or redeems its Units for cash. The total tax
   cost of each Unit to a Unitholder is allocated among each of the Securities
   in accordance with the proportion of the Trust comprised by each Security
   to determine the per Unit tax cost for each Security.

     3. The Trust is not an association taxable as a corporation for New York
   State income tax purposes. Under New York State law, each Unitholder will
   be treated as the owner of a pro rata portion of the Trust and the income
   of the Trust will be treated as income of the Unitholders.

     The following general discussion of the federal income tax treatment of an
investment in Units of the Trust is based on the Code and United States
Treasury Regulations (established under the Code) as in effect on the date of
this Prospectus. The federal income tax treatment applicable to a Unitholder
may depend upon the Unitholder's particular tax circumstances. The tax
treatment applicable to non-U.S. investors is not addressed in this Prospectus.
Future legislative, judicial or administrative changes could modify the
statements below and could affect the tax consequences to Unitholders.
Accordingly, each Unitholder is advised to consult his or her own tax advisor
concerning the effect of an investment in Units.

     General. Each Unitholder must report on its federal income tax return a
pro rata share of the entire income of the Trust, derived from dividends on
Stocks gains or losses upon dispositions of Securities by the Trust and a pro
rata share of the expenses of the Trust.

     Distributions with respect to Stock, to the extent they do not exceed
current or accumulated earnings and profits of the distributing corporation,
will be treated as dividends to the Unitholders and will be subject to income
tax at ordinary rates. Corporate Unitholders may be entitled to the
dividends-received deduction discussed below.

     To the extent distributions with respect to a Stock were to exceed the
issuing corporation's current and accumulated earnings and profits, they would
not constitute dividends. Rather, they would be treated as a tax free return of
capital and would reduce a Unitholder's tax cost for such Stock. This reduction
in basis would increase any gain, or reduce any loss, realized by the
Unitholder on any subsequent sale or other disposition of such stock or of
Units. After the tax cost has been reduced to zero, any additional
distributions in excess of current and accumulated earnings and profits would
be taxable as gain from the sale of Stock.


                                      B-7
<PAGE>

     A Unitholder who is an individual, estate or trust may be disallowed
certain itemized deductions described in Code Section 67, including
compensation paid to the Trustee and administrative expenses of the Trust, to
the extent these itemized deductions, in the aggregate, do not exceed two
percent of the Unitholder's adjusted gross income. Thus, a Unitholder's taxable
income from an investment in Units may further exceed amounts distributed to
the extent amounts are used by the Trust to pay expenses.

     Capital gains realized by noncorporate taxpayers are generally taxable at
a maximum rate of 20% if the taxpayer has a holding period of more than 12
months.

     Unitholders will be taxed in the manner discussed above regardless of
whether distributions from the Trust are actually received by the Unitholder in
cash or are reinvested pursuant to the "Reinvestment Plan" described later in
this Prospectus Part B. Unitholders exercising the Exchange Option may also
experience certain adverse tax consequences as described in the "Exchange
Option" described later in this Prospectus Part B.

     Corporate Dividends-Received Deduction. Corporate holders of Units may be
eligible for the dividends-received deduction with respect to distributions
treated as dividends, subject to the limitations provided in Sections 246 and
246A of the Code. The dividends-received deduction generally equals 70 percent
of the amount of the dividend. As a result, the maximum effective tax rate on
dividends received generally will be reduced from 35 percent to 10.5 percent. A
portion of the dividends-received deduction may, however, be subject to the
alternative minimum tax. Individuals, partnerships, trusts, S corporations and
certain other entities are not eligible for the dividends-received deduction.


     PUBLIC OFFERING OF UNITS

     Public Offering Price. The public offering price per Unit is based on the
aggregate market value of the Securities, next determined after the receipt of
a purchase order, divided by the number of Units outstanding plus the sales
charge set forth below. The public offering price per Unit is computed by
dividing the Trust Fund Evaluation, next determined after receipt of a purchase
order by the number of Units outstanding plus the sales charge. (See
"Valuation" in Part B of this Prospectus.) The Public Offering Price on the
Initial Date of Deposit or on any subsequent date will vary from the Public
Offering Price calculated on the business day prior to the Initial Date of
Deposit (as set forth under "Essential Information Regarding the Trust" in Part
A of this Prospectus) due to fluctuations in the value of the Stocks among
other factors. In addition, during the initial public offering period, a
portion of the Public Offering Price also consists of an amount sufficient to
reimburse the Sponsor for the payment of all or a portion of the Initial
Organizational Costs in the amount shown as a per Unit amount under "Essential
Information Regarding the Trust" in Part A of this Prospectus. The Initial
Organizational Costs include the cost of preparing the registration statement,
trust documents and closing documents for the Trust, registering with the
Securities and Exchange Commission (the "SEC") and the 50 States, the initial
fees of the Trustee's and Sponsor's counsel, and the initial audit of the
Trust's portfolio. The sales charge will not be assessed on those Securities
held in the Trust and sold by the Trustee at the end of the public offering
period to reimburse the Sponsor for the Initial Organizational Costs. See
"Administration of the Trust--Accounts" in Part B of this Prospectus for a
description of the method by which the Trustee will sell such Securities.


     Sales Charge and Volume Discount. Subject to variations discussed below,
Units will be charged a Total Sales Charge of approximately 3.50% per 100 Units
which is a combination of the Initial and Deferred Sales Charges. The Initial
Sales Charge will be 1.00% of the Public Offering Price. In the first year,
assuming a purchase on the Initial Date of Deposit of 100 Units, the Initial
Sales Charge will be



                                      B-8
<PAGE>


$10.00. Commencing in the eighth (8th) month of the Trust's first year
(October) and continuing through the twelfth (12th) month of the Trust's first
year (February) and then commencing again in the eighth (8th) month of the
Trust's second year (October) and continuing through the twelfth (12th) month
of the Trust's second year (February), the Deferred Sales Charge per 100 Units
will be $12.50 per year, approximately 1.25% of the Public Offering Price.
Because the Deferred Sales Charge per 100 Units is $12.50 per year for the
first two years of the Trust, regardless of the price paid for Units, the Total
Sales Charges expressed as a percentage of the Public Offering Price will vary
with the price you pay to purchase Units. So, for example, if you buy 100 Units
for $1,000 (including the Initial Sales Charge of $10.00 and hold the Units
until the Trust terminates, you will pay a Total Sales Charge of $35.00 or
3.50% of the acquisition price for such Units. If, however, you buy 100 Units
for $950.00 (including the Initial Sales Charge of $9.50), you will pay a Total
Sales Charge of $34.50 or 3.63% of the acquisition price for such Units.
Conversely, if an investor bought 100 Units for $1,100 (including the Initial
Sales Charge of $11.00), such investor would pay a total of $36.00 or 3.3% of
the acquisition price for such Units.

     The monthly Deferred Sales Charge is a charge of $2.50 per 100 Units and
is accrued in five (5) installments each year of the Trust during the first
(1st) and second (2nd) full years of the three (3) year term of the Trust
($12.50 annual total). Units purchased after an accrual date for a Deferred
Sales Charge installment are not subject to any Deferred Sales Charge
installments prior to such purchase date. Units redeemed or repurchased prior
to the accrual of the final Deferred Sales Charge installment will have the
amount of any installments remaining deducted from the redemption or repurchase
proceeds, although this deduction will be waived in the event of death or
disability (as defined in the Internal Revenue Code) of an investor. If Units
are sold, redeemed or exchanged prior to March 10, 2001, only the balance of
the Deferred Sales Charges remaining for the first year of the Trust will be
deducted. If Units are sold, redeemed or exchanged on or after March 10, 2001,
the remaining balance of the Deferred Sales Charges for the second year of the
Trust will be deducted.

     The Deferred Sales Charge will be accrued on the books of the Trust and
will be paid to the Sponsor upon the Sponsor's request. The Trustee is directed
to sell Securities to make this payment. It is anticipated that the Securities
will not be sold to pay the Deferred Sales Charges until after the date of the
final installment in the second year of the Trust. Investors will be at risk
for market price fluctuations in the Securities from the several installment
accrual dates to the dates of actual sales of Securities to satisfy this
liability.


     A discount in the sales charge is available to volume purchasers of Units
due to economies of scale in sales effort and sales related expenses relating
to volume purchases. The sales charge applicable to volume purchasers of Units
is reduced on a graduated scale as set forth below for sales made on a single
day to any person of at least $50,000 or 5,000 Units, applied on whichever
basis is more favorable to the purchaser.


                                      B-9
<PAGE>


     SALES CHARGES ON THE INITIAL DATE OF DEPOSIT THROUGH FEBRUARY 6, 2002


<TABLE>
<CAPTION>
                                       INITIAL SALES CHARGE                TOTAL SALES CHARGE
                                ---------------------------------- ----------------------------------
                                                                                                       MAXIMUM DOLLAR
                                                                                                         AMOUNT OF
                                                                                                       DEFERRED SALES
AGGREGATE DOLLAR                 AS % OF PUBLIC     AS % OF NET     AS % OF PUBLIC     AS % OF NET       CHARGE PER
VALUE OF UNITS*                  OFFERING PRICE   AMOUNT INVESTED   OFFERING PRICE   AMOUNT INVESTED     100 UNITS
- ------------------------------- ---------------- ----------------- ---------------- ----------------- ---------------
<S>                             <C>              <C>               <C>              <C>               <C>
 Less than $50,000 ............     1.00%               1.01%             3.50%            3.63%          $ 25.00
 $50,000 to $99,999 ...........      .75                 .76              3.25             3.36           $ 25.00
 $100,000 to $249,999..........      .50                 .50              3.00             3.09           $ 25.00
 $250,000 to $499,999 .........      .25                 .25              2.75             2.83           $ 25.00
 $500,000 to $999,999..........      .00                 .00              2.50             2.56           $ 25.00
 $1,000,000 or more............   negotiable
</TABLE>

- ----------
* The Initial Sales Charge applicable to volume purchasers according to the
  table above will be applied either on a dollar or Unit basis, depending upon
  which basis provides a more favorable purchase price to the purchaser.

     The volume discount on the Initial Sales Charge shown above will apply to
all purchases of Units on any one day by the same person in the amounts stated
herein, and for this purpose purchases of Units of this Trust will NOT be
aggregated with concurrent purchases of any other trust which may be offered by
the Sponsor. Units held in the name of the purchaser's spouse or in the name of
a purchaser's child under the age of 21 are deemed for the purposes hereof to
be registered in the name of the purchaser. The reduced Initial Sales Charges
are also applicable to a trustee or other fiduciary purchasing Units for a
single trust estate or single fiduciary account.

     No Initial Sales Charge will be imposed on Units of the Trust acquired by
Unitholders in connection with participation in the Reinvestment Plan (see
"Reinvestment Plan" in Part B of this Prospectus).

     Employee Discount. Due to the realization of economies of scale in sales
effort and sales related expenses with respect to the purchase of Units by
employees of the Sponsor and its affiliates, the Sponsor intends to permit
employees of the Sponsor and its affiliates and certain of their relatives to
purchase units of the Trust at a reduced sales charge.

     Exchange Option. Unitholders may elect to exchange any or all of their
Units of this Growth Stock Series of the PaineWebber Equity Trust for units of
one or more of any series of PaineWebber Municipal Bond Fund (the "PaineWebber
Series"); The Municipal Bond Trust (the "National Series"); The Municipal Bond
Trust, Multi-State Program (the "Multi-State Series"); The Municipal Bond
Trust, California Series (the "California Series"); The Corporate Bond Trust
(the "Corporate Series"); PaineWebber Pathfinder's Trust (the "Pathfinder's
Trust"); the PaineWebber Federal Government Trust (the "Government Series");
The Municipal Bond Trust, Insured Sales (the "Insured Series"); or the
PaineWebber Equity Trust (the "Equity Series") (collectively referred to as the
"Exchange Trusts"), at a Public Offering Price for the Units of the Exchange
Trusts to be acquired based on a reduced sales charge as discussed below.
Unitholders of this Trust are not eligible for the Exchange Option into any
Exchange Trust designated as a rollover series for the 30 day period prior to
termination of such Exchange Trust. The purpose of such reduced sales charge is
to permit the Sponsor to pass on the Unitholder who wishes to exchange Units
the cost savings resulting from such exchange of Units. The cost savings result
from reductions in time and expense related to advice, financial planning and
operational expenses required for the Exchange Option.

     Each Exchange Trust has different investment objectives, therefore a
Unitholder should read the prospectus for the applicable exchange trust
carefully prior to exercising this option. Exchange Trusts


                                      B-10
<PAGE>

having as their objective the receipt of tax-exempt interest income would not
be suitable for tax-deferred investment plans such as Individual Retirement
Accounts. A Unitholder who purchased Units of this Growth Stock Series and paid
the Initial Sales Charge and any Deferred Sales Charges that, in total, was an
amount less than the per Unit, per 100 Unit or per 1,000 Unit sales charge of
the series of the Exchange Trusts for which such Unitholder desires to exchange
into, will be allowed to exercise the Exchange Option at the Unit Offering
Price plus the reduced sales charge, provided the Unitholder has held the Units
for at least five months. Any such Unitholder who has not held the Units to be
exchanged for the five-month period will be required to exchange them at the
Unit Offering Price plus a sales charge based on the greater of the reduced
sales charge, or an amount which, together with the initial sales charge paid
in connection with the acquisition of the Units being exchanged, equals the
sales charge of the series of the Exchange Trust for which such Unitholder
desires to exchange into, determined as of the date of the exchange. Owners of
Units of this Growth Stock Series electing to use the Exchange Option in
connection with units of other Exchange Trusts subject to a deferred sales
charge ("Deferred Sales Charge Units") will be permitted to acquire Deferred
Sales Charge Units, at their then-current net asset value, with no Initial
Sales Charge imposed. Deferred Sales Charge Units acquired through the Exchange
Option will continue to be subject to the deferred sales charge installments
remaining on those Deferred Sales Charge Units so acquired.

     The Sponsor will permit exchanges at the reduced sales charge provided
there is either a primary market for Units or a secondary market maintained by
the Sponsor in both the Units of this Growth Stock Series and units of the
applicable Exchange Trust and there are units of the applicable Exchange Trust
available for sale. While the Sponsor has indicated that it intends to maintain
a market for the Units of the respective Trusts, there is no obligation on its
part to maintain such a market. Therefore, there is no assurance that a market
for Units will in fact exist on any given date at which a Unitholder wishes to
sell his Units of this series and thus there is no assurance that the Exchange
Option will be available to a Unitholder. Exchanges will be effected in whole
Units only. Any excess proceeds from Unitholders' Units being surrendered will
be returned. Unitholders will be permitted to advance new money in order to
complete an exchange to round up to the next highest number of Units.

     An exchange of units pursuant to the Exchange Option will normally
constitute a "taxable event" under the Code, i.e., a Unitholder will recognize
a tax gain or loss. Unitholders are advised to consult their own tax advisors
as to the tax consequences of exchanging units in their particular case.

     The Sponsor reserves the right to modify, suspend or terminate this plan
at any time without further notice to Unitholders. In the event the Exchange
Option is not available to a Unitholder at the time he wishes to exercise it,
the Unitholder will be immediately notified and no action will be taken with
respect to his Units without further instruction from the Unitholder.

     To exercise the Exchange Option, a Unitholder should notify the Sponsor of
his desire to exercise the Exchange Option and to use the proceeds from the
sale of his Units of this series to purchase units of one or more of the
Exchange Trusts. If units of the applicable outstanding series of the Exchange
Trust are at that time available for sale, and if such units may lawfully be
sold in the state in which the Unitholder is resident, the Unitholder may
select the series or group of series for which he desires his investment to be
exchanged. The Unitholder will be provided with a current prospectus or
prospectuses relating to each series in which he indicates interest.

     The exchange transaction will operate in a manner essentially identical to
any secondary market transaction, i.e., Units will be repurchased at a price
based on the aggregate bid price per Unit of the securities in the portfolio of
the Trust. Units of the Exchange Trust, however, will be sold to the Unitholder
at a reduced sales charge as discussed above. Exchange transactions will be
effected only in whole units; thus, any proceeds not used to acquire whole
units will be paid to the selling Unitholder.


                                      B-11
<PAGE>

     Conversion Option. Owners of units of any registered unit investment trust
sponsored by others which was initially offered at a maximum applicable sales
charge of at least 3.0% (a "Conversion Trust") may elect to apply the cash
proceeds of the sale or redemption of those units ("Conversion Trust Units")
directly to acquire available units of any Exchange Trust having an up-front
sales load at a reduced sales charge of $15 per Unit, per 100 Units in the case
of Exchange Trusts having a Unit price of approximately $10, or per 1,000 Units
in the case of Exchange Trusts having a Unit price of approximately $1, subject
to the terms and conditions applicable to the Exchange Option (except that no
secondary market is required for Conversion Trust Units). Owners of Conversion
Trust Units will be permitted to use the cash proceeds received from the sale
or redemption of those units to acquire units of this Growth Stock Series, or
any other Deferred Sales Charge Units, at their then-current net asset value,
with no Initial Sales Charge imposed. Deferred Sales Charge Units acquired
through the Conversion Option will continue to be subject to the deferred sales
charge installments remaining on those Deferred Sales Charge Units so acquired.
To exercise this option, the owner should notify his retail broker. He will be
given a prospectus for each series in which he indicates interest and for which
units are available. The dealer must sell or redeem the units of the Conversion
Trust. Any dealer other than PaineWebber must certify that the purchase of the
units of the Exchange Trust is being made pursuant to and is eligible for the
Conversion Option. The dealer will be entitled to two-thirds of the applicable
reduced sales charge. The Sponsor reserves the right to modify, suspend or
terminate the Conversion Option at any time with notice, including the right to
increase the reduced sales charge applicable to this option (but not in excess
of $5 more per Unit, per 100 Units or per 1,000 Units, as applicable than the
corresponding fee then being charged for the Exchange Option). For a
description of the tax consequences of a conversion reference is made to the
Exchange Option section herein.

     Distribution of Units. The minimum purchase in the initial public offering
is $250. Only whole Units may be purchased.


     The Sponsor is the sole underwriter of the Units. Sales may, however, be
made to dealers who are members of the National Association of Securities
Dealers, Inc. ("NASD") at prices which include a concession of $18 per 100
Units in the first year, and $10 per 100 Units in the second year, of the
Trust, (a concession of 80% of the Total Sales Charge during the first and
second years of the Trust) subject to change from time to time. Volume
incentives can be earned as a marketing allowance by "Eligible Dealer Firms"
who reach cumulative firm sales or sales arrangement levels of a specified
dollar amount of the PaineWebber Equity Trust Growth Stock Series 24 sold in
the primary market (the "Incentive Period"), as set forth in the table below.
Eligible Dealer Firms are dealers that are providing marketing support for
PaineWebber unit trusts in the form of distributing or permitting the
distribution of marketing materials and other product information. Eligible
Dealer Firms will not include firms that solely provide clearing services to
broker/dealer firms. For firms that meet the necessary volume level, volume
incentives may be given on all trades involving Growth Stock Series 24
originated from client accounts only, during the Incentive Period.



<TABLE>
<CAPTION>
TOTAL DOLLAR AMOUNT SOLD OVER
INCENTIVE PERIOD                           VOLUME INCENTIVE DURING THE INCENTIVE PERIOD
- ---------------------------------   ---------------------------------------------------------
<S>                                 <C>
$1,000,000 to $2,999,999.........   Additional 2% on sales between $1,000,000 and $2,999,999
$3,000,000 to $4,999,999.........   Additional 4% on sales between $3,000,000 and $4,999,999
$5,000,000 or more...............   Additional 7% on sales above/over $5,000,000
</TABLE>



     Only sales through the Sponsor qualify for volume incentives and for
meeting minimum requirements. The Sponsor reserves the right to modify or
change the volume incentive schedule at any time and make the determination as
to which firms qualify for the marketing allowance and the amount paid. The



                                      B-12
<PAGE>

difference between the sales charge and the dealer concession will be retained
by the Sponsor. In the event that the dealer concession is 90% or more of the
sales charge per Unit, dealers taking advantage of such concession may be
deemed to be underwriters under the Securities Act of 1933.

     The Sponsor reserves the right to reject, in whole or in part, any order
for the purchase of Units. The Sponsor intends to qualify the Units in all
states of the United States, the District of Columbia and the Commonwealth of
Puerto Rico.

     Secondary Market for Units. While not obligated to do so, the Sponsor
intends to maintain a secondary market for the Units and continuously offer to
purchase Units at the Trust Fund Evaluation per Unit next computed after
receipt by the Sponsor of an order from a Unitholder. The Sponsor may cease to
maintain such a market at any time, and from time to time, without notice. In
the event that a secondary market for the Units is not maintained by the
Sponsor, a Unitholder desiring to dispose of Units may tender such Units to the
Trustee for redemption at the price calculated in the manner set forth under
"Redemption" in Part B of this Prospectus. Redemption requests in excess of
$500,000 may be redeemed "in kind" as described under "Redemption." The Sponsor
does not in any way guarantee the enforceability, marketability, value or price
of any of the stocks in the Trust, nor that of the Units.

     Investors should note the Trust Fund Evaluation per Unit at the time of
sale or tender for redemption may be less than the price at which the Unit was
purchased.

     The Sponsor may redeem any Units it has purchased in the secondary market
if it determines for any reason that it is undesirable to continue to hold
these Units in its inventory. Factors which the Sponsor may consider in making
this determination will include the number of units of all series of all trusts
which it holds in its inventory, the saleability of the Units and its estimate
of the time required to sell the Units and general market conditions.

     A Unitholder who wishes to dispose of his Units should inquire of his bank
or broker as to current market prices in order to determine if over-the-counter
prices exist in excess of the redemption price and the repurchase price (see
"Redemption" in Part B of this Prospectus).

     Sponsor's Profits. In addition to the applicable sales charge, the Sponsor
realizes a profit (or sustains a loss) in the amount of any difference between
the cost of the Stocks to the Sponsor and the price at which it deposits the
Stocks in the Trust in exchange for Units, which is the value of the Stocks,
determined by the Trustee as described under "Valuation" in Part B of this
Prospectus. The cost of Stock to the Sponsor includes the amount paid by the
Sponsor for brokerage commissions.

     Cash, if any, received from Unitholders prior to the settlement date for
the purchase of Units or prior to the payment for Securities upon their
delivery may be used in the Sponsor's business subject to the limitations of
Rule 15c3-3 under the Securities and Exchange Act of 1934 and may be of benefit
to the Sponsor.

     In selling any Units in the initial public offering after the Initial Date
of Deposit, the Sponsor may realize profits or sustain losses resulting from
fluctuations in the net asset value of outstanding Units during the period. In
maintaining a secondary market for the Units, the Sponsor may realize profits
or sustain losses in the amount of any differences between the price at which
it buys Units and the price at which it resells or redeems such Units.


REDEMPTION

     Units may be tendered to Investors Bank & Trust Company for redemption at
its office in person, or by mail at Hancock Towers, 200 Clarendon Street,
Boston, MA 02116 upon payment of any transfer


                                      B-13
<PAGE>

or similar tax which must be paid to effect the redemption. At the present
time, there are no such taxes. No redemption fee will be charged by the Sponsor
or Trustee, but any remaining Deferred Sales Charge installments will be
deducted at that time. A written instrument of redemption must be signed by the
Unitholder. Unitholders must sign exactly as their names appear on the records
of the Trustee with signatures guaranteed by an eligible guarantor institution
or in such other manner as may be acceptable to the Trustee. In certain
instances the Trustee may require additional documents such as, but not limited
to, trust instruments, certificates of death, appointments as executor or
administrator, or certificates of corporate authority. Unitholders should
contact the Trustee to determine whether additional documents are necessary.
Units tendered to the Trustee for redemption will be cancelled, if not
repurchased by the Sponsor.

     Units will be redeemed at the Redemption Value per Unit next determined
after receipt of the redemption request in good order by the Trustee. The
Redemption Value per Unit is determined by dividing the Trust Fund Evaluation
by the number of Units outstanding. (See "Valuation" in Part B of this
Prospectus). Unitholders who redeem prior to the accrual of the final Deferred
Sales Charges installment, may, depending upon the date of such redemption,
have the amount of any installments remaining deducted from their redemption
proceeds or deducted in calculating an in-kind redemption, although this
deduction will be waived in the event of death or disability (as defined in the
Internal Revenue Code) of an investor (see "Public Offering of Units" in Part B
of this Prospectus).

     A redemption request is deemed received on the business day (see
"Valuation" in Part B of this Prospectus for a definition of business day) when
such request is received prior to the closing time of the regular trading
session on the New York Stock Exchange, Inc. (ordinarily 4:00 p.m. New York
time). If it is received after that time, it is deemed received on the next
business day. During the period in which the Sponsor maintains a secondary
market for Units, the Sponsor may repurchase any Unit presented for tender to
the Trustee for redemption no later than the close of business on the second
business day following such presentation and Unitholders will receive the
Redemption Value next determined after receipt by the Trustee of the redemption
request. Proceeds of a redemption will be paid to the Unitholder no later than
the seventh calendar day following the date of tender (or if the seventh
calendar day is not a business day on the first business day prior thereto).


     With respect to cash redemptions, amounts representing income received
shall be withdrawn from the Income Account, and, to the extent such balance is
insufficient and for remaining amounts, from the Capital Account. The Trustee
is empowered, to the extent necessary, to sell Securities to meet redemptions.
It is expected that the Trustee will be required to sell Securities to meet
redemptions because most of the stocks in the Trust do not pay any dividend
income. The Trustee will sell Securities in such manner as is directed by the
Sponsor. In the event no such direction is given, stocks will be sold pro rata,
to the extent possible, and if not possible, the Trustee may designate
Securities to be sold. (See "Administration of the Trust" in Part B of this
Prospectus.) However, with respect to redemption requests in excess of
$500,000, the Sponsor may determine in its sole discretion to direct the
Trustee to redeem Units "in kind" by distributing Stocks to the redeeming
Unitholder. When Stocks are so distributed, a proportionate amount of each
Stock will be distributed, rounded to avoid the distribution of fractional
shares and using cash or checks where rounding is not possible. The Sponsor may
direct the Trustee to redeem Units "in kind" even if it is then maintaining a
secondary market in Units of the Trust. Securities will be valued for this
purpose as set forth under "Valuation" in Part B of this Prospectus. A
Unitholder receiving a redemption "in kind" may incur brokerage or other
transaction costs in converting the Stocks distributed into cash. The
availability of redemption "in kind" is subject to compliance with all
applicable laws and regulations, including the Securities Act of 1933.



                                      B-14
<PAGE>

     To the extent that Securities are redeemed in kind or sold, the size and
diversity of the Trust will be reduced. Sales will usually be required at a
time when Securities would not otherwise be sold and may result in lower prices
than might otherwise be realized. The price received upon redemption may be
more or less than the amount paid by the Unitholder depending on the value of
the Securities in the portfolio at the time of redemption. In addition, because
of the minimum amounts in which Securities are required to be sold, the
proceeds of sale may exceed the amount required at the time to redeem Units;
these excess proceeds will be distributed to Unitholders on the Distribution
Dates.

     The Trustee may, in its discretion, and will, when so directed by the
Sponsor, suspend the right of redemption, or postpone the date of payment of
the Redemption Value, for more than seven calendar days following the day of
tender for any period during which the New York Stock Exchange, Inc. is closed
other than for weekend and holiday closings; or for any period during which the
Securities and Exchange Commission determined that trading on the New York
Stock Exchange, Inc. is restricted or for any period during which an emergency
exists as a result of which disposal or evaluation of the Securities is not
reasonably practicable; or for such other period as the Securities and Exchange
Commission may by order permit for the protection of Unitholders. The Trustee
is not liable to any person or in any way for any loss or damages which may
result from any such suspension or postponement, or any failure to suspend or
postpone when done in the Trustee's discretion.


VALUATION

     The Trustee will calculate the Trust's value (the "Trust Fund Evaluation")
per Unit at the Evaluation Time set forth under "Essential Information
Regarding the Trust" in Part A of this Prospectus (1) on each business day as
long as the Sponsor is maintaining a bid in the secondary market, (2) on the
business day on which any Unit is tendered for redemption, (3) on any other day
desired by the Sponsor or the Trustee and (4) upon termination, by adding (a)
the aggregate value of the Securities and other assets determined by the
Trustee as set forth below, (b) cash on hand in the Trust, including dividends
receivable on Stock trading ex-dividend and income accrued held but not yet
distributed (other than any cash held in any reserve account established under
the Indenture or cash held for the purchase of Contract Securities) and (c)
accounts receivable for Securities sold and any other assets of the Trust not
included in (a) and (b) above, and deducting therefrom the sum of (v) taxes or
other governmental charges against the Trust not previously deducted, (w)
accrued fees and expenses of the Trustee and the Sponsor (including legal and
auditing expenses), other Trust expenses and any accrued Deferred Sales Charge
installment not yet paid to the Sponsor (x) cash allocated for distributions to
Unitholders and amounts owed to the Sponsor in reimbursement of Initial
Organizational Costs and (y) accounts payable for Units tendered for redemption
and any other liabilities of the Trust Fund not included in (v), (w), (x) and
(y) above. The per Unit Trust Fund Evaluation is calculated by dividing the
result of such computation by the number of Units outstanding as of the date
thereof. Business days do not include Saturdays, Sundays, New Year's Day,
Martin Luther King, Jr. Day, Presidents' Day, Good Friday, Memorial Day,
Independence Day, Labor Day, Thanksgiving Day and Christmas Day and other days
that the New York Stock Exchange is closed.

     The value of Stocks shall be determined by the Trustee in good faith in
the following manner: (1) if the domestic Stocks are listed on one or more
national securities exchanges or on the National Market System maintained by
the National Association of Securities Dealers Automated Quotations System,
such evaluation shall be based on the closing sale price on that day (unless
the Trustee deems such price inappropriate as a basis for evaluation) on the
exchange which is the principal market thereof (deemed to be the New York Stock
Exchange in the case of the domestic Stocks if such Stocks are listed thereon),
(2) if there is no such appropriate closing sales price on such exchange or
system, at the mean between


                                      B-15
<PAGE>

the closing bid and asked prices on such exchange or system (unless the Trustee
deems such price inappropriate as a basis for evaluation), (3) if the Stocks
are not so listed or, if so listed and the principal market therefor is other
than on such exchange or there are no such appropriate closing bid and asked
prices available, such evaluation shall be made by the Trustee in good faith
based on the closing sale price in the over-the-counter market (unless the
Trustee deems such price inappropriate as a basis for evaluation) or (4) if
there is no such appropriate closing price, then (a) on the basis of current
bid prices, (b) if bid prices are not available, on the basis of current bid
prices for comparable securities, (c) by the Trustee's appraising the value of
the Stock in good faith on the bid side of the market or (d) by any combination
thereof. The tender of a Stock pursuant to a tender offer will not affect the
method of valuing such Stock.


COMPARISON OF PUBLIC OFFERING PRICE AND REDEMPTION VALUE

     The Stocks are valued on the same basis for the initial and secondary
markets and for purposes of redemptions. On the business day prior to the
Initial Date of Deposit, the Public Offering Price per Unit (which figure
includes the Initial Sales Charge) exceeded the Redemption Value. (See
"Essential Information Regarding the Trust" in Part A of this Prospectus). The
prices of Stocks are expected to vary. For this reason and others, including
the fact that the Public Offering Price includes the sales charge, the amount
realized by a Unitholder upon redemption of Units may be less than the price
paid by the Unitholder for such Units. Also, as of the close of the initial
public offering period, the Redemption Value per Unit will be reduced to
reflect the sale of Securities made to reimburse the Sponsor for the Initial
Organizational Costs.


EXPENSES OF THE TRUST


     The Sponsor will receive a fee, which is earned for portfolio supervisory
services, and which is based upon the largest number of Units outstanding
during the calendar year. The Sponsor's fee, which is not to exceed $0.0035 per
Unit per calendar year, may exceed the actual costs of providing portfolio
supervisory services for the Trust, but at no time will the total amount it
receives for portfolio supervisory services rendered to all series of the
PaineWebber Equity Trust in any calendar year exceed the aggregate cost to it
of supplying such services in such year.

     For its services as Trustee and Evaluator, the Trustee will be paid in
monthly installments, annually $0.0170 per Unit, based on the largest number of
Units outstanding during the previous month. In addition, the regular and
recurring expenses of the Trust are estimated to be $0.0066 which include, but
are not limited to certain mailing, printing, and audit expenses. Expenses in
excess of this estimate will be borne by the Trust. The Trustee could also
benefit to the extent that it may hold funds in non-interest bearing accounts
created by the Indenture.


     The Sponsor's fee and Trustee's fee may be increased without approval of
the Unitholders by an amount not exceeding a proportionate increase in the
category entitled "All Services Less Rent" in the Consumer Price Index
published by the United States Department of Labor or, if the Price Index is no
longer published, a similar index as determined by the Trustee and Sponsor.

     In addition to the above, the following charges are or may be incurred by
the Trust and paid from the Income Account, or, to the extent funds are not
available in such Account which is expected, from the Capital Account (see
"Administration of the Trust--Accounts" in Part B of this Prospectus): (1) fees
for the Trustee for extraordinary services; (2) expenses of the Trustee
(including legal and auditing expenses) and of counsel; (3) various
governmental charges; (4) expenses and costs of any action taken by the


                                      B-16
<PAGE>

Trustee to protect the Trust and the rights and interests of the Unitholders;
(5) indemnification of the Trustee for any loss, liabilities or expenses
incurred by it in the administration of the Trust without gross negligence, bad
faith or wilful misconduct on its part; (6) brokerage commissions and other
expenses incurred in connection with the purchase and sale of Securities; and
(7) expenses incurred upon termination of the Trust. In addition, to the extent
then permitted by the Securities and Exchange Commission, the Trust may incur
expenses of maintaining registration or qualification of the Trust or the Units
under Federal or state securities laws so long as the Sponsor is maintaining a
secondary market (including, but not limited to, legal, auditing and printing
expenses).

     The accounts of the Trust shall be audited not less than annually by
independent public accountants selected by the Sponsor. The expenses of the
audit shall be an expense of the Trust. So long as the Sponsor maintains a
secondary market, the Sponsor will bear any annual audit expense which exceeds
$.0050 per Unit. Unitholders covered by the audit during the year may receive a
copy of the audited financial statements upon request.

     The fees and expenses set forth above are payable out of the Trust and
when unpaid will be secured by a lien on the Trust. Based upon the last
dividend paid prior to the Initial Date of Deposit, dividends on the Stocks are
expected to be insufficient to pay the estimated expenses of the Trust. Most of
the stocks in the Trust do not pay any dividend income, and to the extent that
dividends paid with respect to the Stocks are not sufficient to meet the
expenses of the Trust, the Trustee will be required to sell Securities to meet
the expenses of the Trust. Securities will be selected in the same manner as is
set forth under "Redemption" in Part B of this Prospectus.


RIGHTS OF UNITHOLDERS

     Ownership of Units is evidenced by recordation on the books of the
Trustee. In order to avoid additional operating costs and for investor
convenience, certificates will not be issued.


DISTRIBUTIONS

     The Trustee will distribute net dividends and interest, if any, from the
Income Account on the annual Distribution Dates to Unitholders of record on the
preceding Record Date. Distributions from the Capital Account will be made on
annual Distribution Dates to Unitholders of record on the preceding Record
Date. Distributions of less than $.0500 per Unit need not be made from the
Capital Account on any Distribution Date. See "Essential Information Regarding
the Trust" in Part A of this Prospectus. Whenever required for regulatory or
tax purposes, the Trustee will make special distributions of any dividends or
capital on special Distribution Dates to Unitholders of record on special
Record Dates declared by the Trustee.

     If and to the extent that the Sponsor, on behalf of the Trust, receives a
favorable response to a no-action letter request which it intends to submit to
the Division of Investment Management of the SEC with respect to reinvesting
cash proceeds received by the Trust, the Trustee may reinvest such cash
proceeds in Additional Securities held in the Trust Fund at such time. Such
reinvestment shall be made so that each deposit of Additional Securities shall
be made so as to match as closely as practicable the percentage relationships
of shares of Stocks and such reinvestment shall be made in accordance with the
parameters set forth in the no-action letter response. If the Sponsor and the
Trustee determine that it shall be necessary to amend the Indenture to comply
with the parameters set forth in the no-action letter response, such documents
may be amended without the consent of Unitholders. There can be no assurance
that the Sponsor will receive a favorable no-action letter response.


                                      B-17
<PAGE>

     Unitholders may elect to have their Income Account and Capital Account
distributions, if any, automatically reinvested into additional Units of the
Trust at no Initial Sales Charge. (See "Reinvestment Plan" in Part B of this
Prospectus).

     Upon termination of the Trust, each Unitholder of record on such date will
receive his pro rata share of the amounts realized upon disposition of the
Securities plus any other assets of the Trust, less expenses of the Trust. (See
"Termination of the Trust" in Part B of this Prospectus.)


REINVESTMENT PLAN

     Income Account and Capital Account distributions, if any, on Units may be
reinvested by participating in the Trust's Reinvestment Plan (the "Reinvestment
Plan" in Part B of this Prospectus). To participate in the Reinvestment Plan, a
Unitholder must contact his broker, dealer or financial institution to
determine whether he may participate in the Reinvestment Plan. Under the
Reinvestment Plan, the Units acquired for current Unitholders will be either
Units already held in inventory by the Sponsor or new Units created by the
Sponsor's deposit of Additional Securities, contracts to purchase Additional
Securities or cash (or a bank letter of credit in lieu of cash) with
instructions to purchase Additional Securities. Deposits or purchases of
additional Securities will be made so as to maintain the percentage
relationships of shares of Stocks, except as discussed under "The Trust" in
Part B of this Prospectus. Purchases made pursuant to the Reinvestment Plan
will be made without any Initial Sales Charge at the net asset value for Units
of the Trust; of course, such Units will be subject to the Deferred Sales
Charges remaining on Units purchased. Under the Reinvestment Plan, the Trust
will pay the distributions to the Trustee which in turn will purchase for those
participating Unitholders whole Units of the Trust at the price determined as
of the close of business on the Distribution Date and will add such Units to
the Unitholder's account. The Unitholder's account statement will reflect the
reinvestment. The Trustee will not issue fractional Units, thus any cash
remaining after purchasing the maximum number of whole Units will be
distributed to the Unitholder. Unitholders wishing to terminate their
participation in the Reinvestment Plan must notify their broker, dealer or
financial institution of such decision. The Sponsor reserves the right to
amend, modify or terminate the Reinvestment Plan at any time without prior
notice.


ADMINISTRATION OF THE TRUST

     Accounts. All dividends and interest received on Securities, proceeds from
the sale of Securities or other moneys received by the Trustee on behalf of the
Trust may be held in trust in non-interest bearing accounts until required to
be disbursed.

     The Trustee will credit on its books to an Income Account dividends, if
any, and interest income, on Securities in the Trust. All other receipts (i.e.,
return of principal and gains) are credited on its books to a Capital Account.
A record will be kept of qualifying dividends within the Income Account. The
pro rata share of the Income Account and the pro rata share of the Capital
Account represented by each Unit will be computed by the Trustee as set forth
under "Valuation" in Part B of this Prospectus.

     The Trustee will deduct from the Income Account and, to the extent funds
are not sufficient therein, from the Capital Account, amounts necessary to pay
expenses incurred by the Trust. (See "Expenses and Charges.") In addition, the
Trustee may withdraw from the Income Account and the Capital Account such
amounts as may be necessary to cover redemption of Units by the Trustee. (See
"Redemption" in Part B of this Prospectus). Because most of the stocks in the
Trust do not pay any dividend income, the Trustee will be required to sell
stocks to pay Trust expenses and cover redemptions.

     In addition, distributions of amounts necessary to pay (1) the Initial
Organizational Costs and (2) the Deferred Sales Charges will be made from the
Income Account and, to the extent funds are not sufficient


                                      B-18
<PAGE>


therein, from the Capital Account, to special accounts maintained by the
Trustee for purposes of (1) reimbursing the Sponsor and (2) satisfying
Unitholders' Deferred Sales Charges obligations, respectively. To the extent
that funds are not available in the Capital Account to meet certain charges or
expenses, the Trustee may sell Securities. Upon notification from the Sponsor
that the initial offering period is terminated, the Trustee, at the direction
of the Sponsor, will cause the sale of Securities in an amount equal to the
Initial Organizational Costs as certified to it by the Sponsor. Although the
Sponsor may collect the Deferred Sales Charges monthly, currently the Sponsor
does not anticipate sales of Securities to pay such sales charges until after
February 7, 2001 and February 6, 2002.


     The Trustee may establish reserves (the "Reserve Account") within the
Trust for state and local taxes, if any, and any other governmental charges
payable out of the Trust.

     Reports and Records. With any distribution from the Trust, Unitholders
will be furnished with a statement setting forth the amount being distributed
from each account.

     The Trustee keeps records and accounts of the Trust at its office in
Boston, including records of the names and addresses of Unitholders, a current
list of underlying Securities in the portfolio and a copy of the Indenture.
Records pertaining to a Unitholder or to the Trust (but not to other
Unitholders) are available to the Unitholder for inspection at reasonable times
during business hours.

     Within a reasonable period of time after the end of each calendar year,
commencing with calendar year 2000, the Trustee will furnish each person who
was a Unitholder at any time during the calendar year an annual report
containing the following information, expressed in reasonable detail both as a
dollar amount and as a dollar amount per Unit: (1) a summary of transactions
for such year in the Income and Capital Accounts and any Reserves; (2) any
Securities sold during the year and the Securities held at the end of such
year; (3) the Trust Fund Evaluation per Unit, based upon a computation thereof
on the 31st day of December of such year (or the last business day prior
thereto); and (4) amounts distributed to Unitholders during such year.

     Portfolio Supervision. The portfolio of the Trust is not "managed" by the
Sponsor or the Trustee; their activities described herein are governed solely
by the provisions of the Indenture. The Indenture provides that the Sponsor may
(but need not) direct the Trustee to dispose of a Security under the following
circumstances:

     (1) upon the failure of the issuer to declare or pay anticipated
   dividends or interest;

     (2) upon the institution of a materially adverse action or proceeding at
   law or in equity seeking to restrain or enjoin the declaration or payment
   of dividends or interest on any such Securities or the existence of any
   other materially adverse legal question or impediment affecting such
   Securities or the declaration or payment of dividends or interest on the
   same;

     (3) upon the breach of covenant or warranty in any trust indenture or
   other document relating to the issuer which might materially and adversely
   affect either immediately or contingently the declaration or payment of
   dividends on such Securities;

     (4) upon the default in the payment of principal or par or stated value
   of, premium, if any, or income on any other outstanding securities of the
   issuer or the guarantor of such securities which might materially and
   adversely, either immediately or contingently, affect the declaration or
   payment of dividends on the Securities;

     (5) upon the decline in price or the occurrence of any materially adverse
   credit factors, that in the opinion of the Sponsor, make the retention of
   such Securities not in the best interest of the Unitholder;


                                      B-19
<PAGE>

     (6) upon a decrease in the Sponsor's internal rating of the Security;

     (7) if the sale of such Securities is desirable to maintain the
   qualification of the Trust Fund as a "regulated investment company"; or

     (8) upon the happening of events which, in the opinion of the Sponsor,
   negatively affect the economic fundamentals of the issuer of the Security
   or the industry of which it is a part.

     Securities may also be tendered or sold in the event of a tender offer,
merger or acquisition in the manner described under "The Trust" in Part B of
this Prospectus. The Trustee may also dispose of Securities where necessary to
pay Initial Organizational Costs, Trust expenses, Deferred Sales Charge
installments or to satisfy redemption requests as directed by the Sponsor and
in a manner necessary to maximize the objectives of the Trust, or if not so
directed in its own discretion.


AMENDMENT OF THE INDENTURE

     The Indenture may be amended by the Trustee and the Sponsor without the
consent of any of the Unitholders to cure any ambiguity or to correct or
supplement any provision thereof which may be defective or inconsistent or to
make such other provisions as will not materially adversely affect the interest
of the Unitholders.

     The Indenture may also be amended by the Trustee and the Sponsor without
the consent of any of the Unitholders to implement a program to reinvest cash
proceeds received by the Trust in connection with corporate actions and in
other situations, when and if the Sponsor receives a favorable response to the
no-action letter request which it intends to submit to the Division of
Investment Management at the SEC discussed above (see "Distributions" in Part B
of this Prospectus). There can be no assurance that a favorable no-action
letter response will be received.

     The Indenture may be amended in any respect by the Sponsor and the Trustee
with the consent of the holders of 51% of the Units then outstanding; provided
that no such amendment shall (1) reduce the interest in the Trust represented
by a Unit or (2) reduce the percentage of Unitholders required to consent to
any such amendment, without the consent of all Unitholders.

     The Trustee will promptly notify Unitholders of the substance of any
amendment affecting Unitholders' rights or their interest in the Trust.


TERMINATION OF THE TRUST

     The Indenture provides that the Trust will terminate on the Mandatory
Termination Date. If the value of the Trust as shown by any evaluation is less
than fifty per cent (50%) of the market value of the Stocks upon completion of
the deposit of Stocks, the Trustee may in its discretion, and will when so
directed by the Sponsor, terminate such Trust. The Trust may also be terminated
at any time by the written consent of 51% of the Unitholders or by the Trustee
upon the resignation or removal of the Sponsor if the Trustee determines
termination to be in the best interest of the Unitholders. In no event will the
Trust continue beyond the Mandatory Termination Date.


     Unless advised to the contrary by the Sponsor, approximately 15 days prior
to the termination of the Trust the Trustee will begin to sell the Securities
held in the Trust and will then, after deduction of any fees and expenses of
the Trust and payment into the Reserve Account of any amount required for taxes
or other governmental charges that may be payable by the Trust, distribute to
each Unitholder, after due notice of such termination, such Unitholder's pro
rata share in the Income and Capital Accounts. Moneys



                                      B-20
<PAGE>

held upon the sale of Securities may be held in non-interest bearing accounts
created by the Indenture until distributed and will be of benefit to the
Trustee. The sale of Securities in the Trust in the period prior to termination
may result in a lower amount than might otherwise be realized if such sale were
not required at such time due to impending or actual termination of the Trust.
For this reason, among others, the amount realized by a Unitholder upon
termination may be less than the amount paid by such Unitholder.


SPONSOR

     The Sponsor, PaineWebber Incorporated, is a corporation organized under
the laws of the State of Delaware. The Sponsor is a member firm of the New York
Stock Exchange, Inc. as well as other major securities and commodities
exchanges and is a member of the National Association of Securities Dealers,
Inc. The Sponsor is engaged in a security and commodity brokerage business as
well as underwriting and distributing new issues. The Sponsor also acts as a
dealer in unlisted securities and municipal bonds and in addition to
participating as a member of various selling groups or as an agent of other
investment companies, executes orders on behalf of investment companies for the
purchase and sale of securities of such companies and sells securities to such
companies in its capacity as a broker or dealer in securities.

     The Indenture provides that the Sponsor will not be liable to the Trustee,
the Trust or to the Unitholders for taking any action or for refraining from
taking any action made in good faith or for errors in judgment, but will be
liable only for its own willful misfeasance, bad faith, gross negligence or
willful disregard of its duties. The Sponsor will not be liable or responsible
in any way for depreciation or loss incurred by reason of the sale of any
Securities in the Trust.

     The Indenture is binding upon any successor to the business of the
Sponsor. The Sponsor may transfer all or substantially all of its assets to a
corporation or partnership which carries on the business of the Sponsor and
duly assumes all the obligations of the Sponsor under the Indenture. In such
event the Sponsor shall be relieved of all further liability under the
Indenture.

     If the Sponsor fails to undertake any of its duties under the Indenture,
becomes incapable of acting, becomes bankrupt, or has its affairs taken over by
public authorities, the Trustee may either appoint a successor Sponsor or
Sponsors to serve at rates of compensation determined as provided in the
Indenture or terminate the Indenture and liquidate the Trust.

                                      B-21
<PAGE>



TRUSTEE

     The Trustee is Investors Bank & Trust Company, a Massachusetts trust
company with its principal office at Hancock Towers, 200 Clarendon Street,
Boston, Massachusetts 02116, toll-free number 800-356-2754, which is subject to
supervision by the Massachusetts Commissioner of Banks, the Federal Deposit
Insurance Corporation and the Board of Governors of the Federal Reserve System.


     The Indenture provides that the Trustee will not be liable for any action
taken in good faith in reliance on properly executed documents or the
disposition of moneys, Securities or Certificates or in respect of any
valuation which it is required to make, except by reason of its own gross
negligence, bad faith or willful misconduct, nor will the Trustee be liable or
responsible in any way for depreciation or loss incurred by reason of the sale
by the Trustee of any Securities in the Trust. In the event of the failure of
the Sponsor to act, the Trustee may act and will not be liable for any such
action taken by it in good faith. The Trustee will not be personally liable for
any taxes or other governmental charges imposed upon or in respect of the
Securities or upon the interest thereon or upon it as Trustee or upon or in
respect of the Trust which the Trustee may be required to pay under any present
or future law of the United States of America or of any other taxing authority
having jurisdiction. In addition, the Indenture contains other customary
provisions limiting the liability of the Trustee. The Trustee will be
indemnified and held harmless against any loss or liability accruing to it
without gross negligence, bad faith or willful misconduct on its part, arising
out of or in connection with its acceptance or administration of the Trust,
including the costs and expenses (including counsel fees) of defending itself
against any claim of liability.


INDEPENDENT AUDITORS


     The Statement of Net Assets and Schedule of Investments, audited by Ernst
& Young LLP, independent auditors, have been included in reliance on their
report given on their authority as experts in accounting and auditing.



LEGAL OPINIONS

     The legality of the Units offered hereby has been passed upon by Carter,
Ledyard & Milburn, 2 Wall Street, New York, New York, as counsel for the
Sponsor.


                                      B-22
<PAGE>

                           PAINEWEBBER EQUITY TRUST

                             GROWTH STOCK SERIES 24

                      TRUSTEE:                      SPONSOR:

INVESTORS BANK & TRUST COMPANY                      PAINEWEBBER INCORPORATED
               Hancock Towers,                      1200 Harbor Boulevard,
          200 Clarendon Street                      Weehawken, NJ 07087
              Boston, MA 02116                      (201) 352-3000
                (800) 356-2754

- --------------------------------------------------------------------------------

This Prospectus does not include all of the information with respect to The
PaineWebber Equity Trust, Growth Stock Series 24 set forth in its Registration
Statement filed with the Securities and Exchange Commission (the "Commission")
in Washington, D.C. under the:

    o  Securities Act of 1933 (File No. 333-90837) and

    o  Investment Company Act of 1940 (File No. 811-3722)

TO OBTAIN COPIES FROM THE COMMISSION AT PRESCRIBED RATES--
WRITE: Public Reference Section of the Commission

     450 Fifth Street, N.W., Washington, D.C. 20549-0102
CALL: 1-202-942-8090

VISIT:  http://www.sec.gov



- --------------------------------------------------------------------------------



No person is authorized to give any information or make any representation
about this Trust not contained in this Prospectus, and you should not rely on
any other information. Read and keep both parts of the Prospectus for future
reference.



- --------------------------------------------------------------------------------

PROSPECTUS DATED MARCH 1, 2000



<PAGE>


                       CONTENTS OF REGISTRATION STATEMENT


                  This registration statement comprises the following documents:

                           The facing sheet.
                           The Prospectus.
                           The Undertaking to file reports.
                           The signatures.
                           Written consents of the following persons:
                                    Ernst & Young LLP (included in Exhibit
                                    99.C2) Carter, Ledyard & Milburn (included
                                    in Exhibits 99.2 and 99.C1)

                  The following exhibits:


                      1.    Ex.-99.A1 - Standard Terms and Conditions of
                            Trust dated as of July 1, 1998 between
                            PaineWebber Incorporated, Depositor and
                            Investors Bank & Trust Company, as Trustee
                            (incorporated by reference to Exhibit 2 in File
                            No. 333-55697).

                      2.    Ex.-99.A2 - Copy of Trust Indenture and
                            Agreement between PaineWebber Incorporated,
                            Depositor, and Investors Bank & Trust Company,
                            as Trustee, incorporating by reference Standard
                            Terms and Conditions of Trust dated as of July
                            1, 1998.

                      3.    Ex.-99.A5 - Form of Certificate of Ownership
                            (included in Standard Terms and Conditions of
                            Trust).

                      4.    Ex.-99.A6 - Certificate of Incorporation of
                            PaineWebber Incorporated, as amended (incorporated
                            by reference to Exhibit 8 in File  No. 2-88344).

                      5.    Ex.-99.A6 - By-Laws of PaineWebber Incorporated,
                            as amended (incorporated by reference to Exhibit
                            A(6)(a) in File No. 811-3722).

                      6.    Ex.-99.2 - Opinion of Counsel as to legality of
                            securities being registered and consent of Counsel.

                      7.    Ex.-99.C1 - Opinion of Counsel as to income tax
                            status of securities being registered.

                      8.    Ex.-99.C2 - Consent of Ernst & Young LLP,
                            Independent Auditors.

<PAGE>

                              FINANCIAL STATEMENTS
                              --------------------

1. Statement of Condition of the Trust as shown in the current Prospectus for
this series.

2. Financial Statements of the Depositor.

PaineWebber Incorporated-Financial Statements incorporated by reference to Form
10-K and Form 10-Q (File No. 1-7367), respectively.



<PAGE>

SIGNATURE


     Pursuant to the requirements of the Securities Act of 1933, the registrant
has duly caused this Amendment to the Registration Statement to be signed on its
behalf by the undersigned, thereunto duly authorized, in the City of New York,
and State of New York, on the 1st day of March, 2000.



                              THE PAINEWEBBER EQUITY TRUST,
                                   GROWTH STOCK SERIES 24
                                   (Registrant)
                                   By: PaineWebber Incorporated
                                   (Depositor)



                                   /s/ Robert E. Holley
                                   -------------------------------
                                   Robert E. Holley
                                   Senior Vice President


     Pursuant to the requirements of the Securities Act of 1933, this Amendment
to the Registration Statement has been signed on behalf of PaineWebber
Incorporated the Depositor by the following persons who constitute a majority of
the Executive Committee of its Board of Directors in the following capacities
and in the City of New York, and State of New York, on this 1st day of
March, 2000.


PAINEWEBBER INCORPORATED

     Name                                 Office
     ----                                 ------

Donald B. Marron                          Chairman, Chief Executive
                                          Officer, Director & Member of
                                          the Executive Committee*
Regina A. Dolan                           Executive Vice President, Chief
                                          Financial Officer & Director of
                                          PaineWebber Incorporated*

Joseph J. Grano, Jr.                      President, Retail Sales & Marketing,
                                          Director & Member of the Executive
                                          Committee*

Steve P. Baum                             Executive Vice President, Director of
                                          PaineWebber Incorporated*

Robert H. Silver                          Executive Vice President Director of
                                          PaineWebber Incorporated*

Mark B. Sutton                            Executive Vice President, Director of
                                          PaineWebber Incorporated*

Margo N. Alexander                        Executive Vice President, Director of
                                          PaineWebber Incorporated*

Terry L. Atkinson                         Managing Director, Director of
                                          PaineWebber Incorporated*

Brian M. Barefoot                         Executive Vice President, Director of
                                          PaineWebber Incorporated*

Michael Culp                              Managing Director, Director of
                                          PaineWebber Incorporated*

Edward M. Kerschner                       Managing Director, Director of
                                          PaineWebber Incorporated*

James P. MacGilvray                       Executive Vice President, Director of
                                          PaineWebber Incorporated*


                                          By

                                          /s/ Robert E. Holley
                                          -------------------------------
                                          Robert E. Holley
                                          Attorney-in-fact*


- ----------

*    Executed copies of the powers of attorney have been filed with the
     Securities and Exchange Commission in connection with Post Effective
     Amendment No.19 to the Registration Statement File No. 2-61279.


<PAGE>


                                  EXHIBIT INDEX

1.   Ex.-99.A1 -- Standard Terms and Conditions of Trust dated as of July 1,
     1998 between PaineWebber Incorporated, Depositor and Investors Bank & Trust
     Company, as Trustee (incorporated by reference to Exhibit 2 in File No.
     333-55697).

2.   Ex.-99.A2 -- Copy of Trust Indenture and Agreement between PaineWebber
     Incorporated, Depositor, and Investors Bank & Trust Company, as Trustee,
     incorporating by reference Standard Terms and Conditions of Trust dated as
     of July 1, 1998.

3.   Ex.-99.A5 -- Form of Certificate of Ownership (included in Standard Terms
     and Conditions of Trust).

4.   Ex.-99.A6 -- Certificate of Incorporation of PaineWebber Incorporated, as
     amended (incorporated by reference to Exhibit 8 in File No. 2-88344).

5.   Ex.-99.A6 -- By_Laws of PaineWebber Incorporated, as amended (incorporated
     by reference to Exhibit A(6)(a) in File No. 811-3722).

6.   Ex.-99.2 -- Opinion of Counsel as to legality of securities being
     registered and consent of Counsel.

7.   Ex.-99.C1 -- Opinion of Counsel as to income tax status of securities being
     registered.

8.   Ex.-99.C2 -- Consent of Ernst & Young LLP, Independent Auditors.






<PAGE>

                                                                   Exhibit 99.A2








                          THE PAINEWEBBER EQUITY TRUST,
                             GROWTH STOCK SERIES 24


                          TRUST INDENTURE AND AGREEMENT


                            Dated as of March 1, 2000


                                  Incorporating


                     Standard Terms and Conditions of Trust
                            Dated as of July 1, 1998,


                                     Between

                            PAINEWEBBER INCORPORATED,
                                  as Depositor


                                       and


                         INVESTORS BANK & TRUST COMPANY
                                   as Trustee



<PAGE>





     THIS TRUST INDENTURE AND AGREEMENT dated as of March 1, 2000 between
PaineWebber Incorporated, as Depositor and Investors Bank & Trust Company, as
Trustee, which sets forth certain of its provisions in full and incorporates
other of its provisions by reference to a document entitled "Standard Terms and
Conditions of Trust" dated as of July 1, 1998, among the parties hereto
(hereinafter called the "Standard Terms"), such provisions as are set forth in
full and such provisions as are incorporated by reference constituting a single
instrument.

                        W I T N E S S E T H   T H A T:

     WHEREAS, the parties hereto have heretofore or concurrently herewith
entered into the Standard Terms in order to facilitate creation of a series of
securities issued under a unit investment trust pursuant to the provisions of
the Investment Company Act of 1940, as amended, and the laws of the State of New
York, each of which series will be composed of redeemable securities
representing undivided interests in a trust fund composed of publicly traded
common or preferred stocks issued by domestic or foreign companies, and, in
certain cases, interest-bearing United States Treasury Obligations ("Treasury
Obligations"); and

     WHEREAS, the parties now desire to create the Twenty-fourth Growth Stock
Trust of the aforesaid series;

     NOW THEREFORE, in consideration of the premises and of the mutual
agreements herein contained, the Depositor and the Trustee agree as follows:

     Section 1. Incorporation of Standard Terms and Conditions of Trust. Subject
to the provisions of Section 2 of this Trust Indenture and Agreement set forth
below, all of the provisions of the Standard Terms are incorporated by reference
in their entirety and shall be deemed to be a part of this instrument as fully
to all intents and purposes as though said provisions had been set forth in full
in this instrument. Unless otherwise stated, section references shall refer to
sections in the Standard Terms.

     Section 2. Specific Terms of this Series. The following terms are hereby
agreed to for this series of The PaineWebber Equity Trust, which series shall be
known and designated as "The PaineWebber Equity Trust, Growth Stock Series 24".

     A. (1) The aggregate number of Units outstanding on the date hereof for
this Series is 100,000.

        (2) The initial fractional undivided interest represented by each Unit
of this series shall be 1/100,000th of the Trust Fund. A receipt evidencing the
ownership of this total number of Units outstanding on the date hereof is being
delivered by the Trustee to the Depositor.

<PAGE>

        (3) The Securities deposited into the Trust on the Initial Date of
Deposit are set forth on Schedule A hereto.

     B. The term "Record Date" shall mean December 10, 2000 and annually
thereafter; provided, however, that with respect to a distribution required by
Section 2.02(b), the Record Date shall be the last business day of the month
during which the contract to purchase the Security fails.

     Record Date shall also include such date or dates determined by the Sponsor
and the Trustee as necessary or desirable and in the best interest of the
Unitholders for federal or state tax purposes, or for other purposes
(hereinafter a "Special Record Date"), which date may replace a regularly
scheduled Record Date if such regularly scheduled Record Date is within 30 days
of a Special Record Date.

     C. The term "Distribution Date" shall mean the 15th day following each
Record Date, commencing December 25, 2000 and annually thereafter with respect
to Income Account Distributions (the "Income Account Distribution Dates") and
shall mean December 25, 2000 and annually thereafter with respect to Capital
Account Distributions (the "Capital Account Distribution Dates"), except that
the Trustee may declare a Record Date of December 31 in any year for a
Distribution Date of January 25 of the following year, if required for
compliance with the rules and regulations governing regulated investment
companies. With respect to a distribution required by Section 2.02(b), the
Distribution Date shall be the fifteenth (15) day after the Record Date with
respect thereto.

     In the event a Special Record Date is declared, "Distribution Date" shall
also include such date as is determined by the Sponsor and the Trustee to be the
Distribution Date in respect of such Special Record Date.

     D. The Discretionary Liquidation Amount shall be fifty per centum (50%) of
the aggregate value of the Securities originally deposited on the date hereof
and subsequently deposited pursuant to any Supplemental Indenture pursuant to
Section 2.02.

     E. The Mandatory Termination Date shall be March 31, 2003. Unless advised
to the contrary by the Sponsor, the date on which the Trustee shall begin to
sell equity Securities in accordance with Section 9.01 shall be March 16, 2003.

     F. The Trustee's annual compensation as referred to in Section 8.05 shall
be $.0170 per Unit computed monthly based on the largest number of Units
outstanding during the preceding month.

     G. The Sponsor's annual compensation pursuant to Section 7.02 shall be
computed as $.0035 per Unit, based on the largest number of Units outstanding in
a calendar year.

<PAGE>

     H. The balance in the Capital Account below which no distribution need be
made, as referred to in Section 3.04, is $0.05 per Unit outstanding.

     I. The calendar year to be specified pursuant to Section 3.05 shall be
calendar year 2000, so that the Trustee's first annual report will be furnished
to Unitholders within a reasonable period of time following calendar year 2000.

     J. The Trust hereby elects to qualify as a "grantor trust" under the
Internal Revenue Code of 1986, as amended. The taxable year for this Trust shall
end on December 31.

     K. The Sponsor's Initial Costs are estimated to be $0.020 per Unit.

     L. The Trust hereby elects to make available a Reinvestment Plan for this
Series.

     M. Units of this Trust shall not be held in certificated form.

     N. The Trust may receive Supplemental Deposits and issue Additional Units
in accordance with Section 2.02(c).

     O. The Units of this Trust shall be subject to a Deferred Sales Charge in
an amount, and that shall be paid in the manner, as set forth below and in the
Prospectus. Commencing in the eighth (8th) month of the Trust's first year
(October) and continuing through the twelfth (12th) month of the Trust's first
year (February) and then commencing again in the eighth (8th) month of the
Trust's second year (October) and continuing through the twelfth (12th) month of
the Trust's second year (February), the Deferred Sales Charge per 100 Units
shall be $12.50 per year for such two year period.

     P. For purposes of this Trust, the In-Kind Distribution Amount shall be
$500,000, and the Sponsor shall direct whether an In-Kind Distribution shall be
made.

     Q. The Trustee's address for notices under Section 10.06 is:

           Hancock Towers
           200 Clarendon Street
           Boston, MA 02116


<PAGE>





     IN WITNESS WHEREOF, PaineWebber Incorporated has caused this Trust
Indenture and Agreement to be executed by one of its Senior Vice Presidents and
its corporate seal to be hereto affixed and attested by one of its Assistant
Secretaries, and Investors Bank & Trust Company has caused this Trust Indenture
to be executed by one of its Authorized Signatories and its corporate seals to
be hereto affixed and attested by one of its Authorized Signatories, all as of
the date first above written.

                                          PAINEWEBBER INCORPORATED
                                            as Depositor and Sponsor



SEAL                                      By ___________________________
                                              Senior Vice President



Attest:


- --------------------------
         Secretary


<PAGE>



STATE OF NEW YORK   )
                    :ss.:
COUNTY OF NEW YORK  )


     On this 1st day of March, 2000 before me personally appeared Robert E.
Holley, to me known, who being by me duly sworn, said that he is a Senior Vice
President of PaineWebber Incorporated, one of the corporations described in and
which executed the foregoing instrument; that he knows the seal of said
corporation; that the seal affixed to said instrument is such corporate seal;
that it was so affixed by authority of the Board of Directors of said
corporation, and that he signed his name thereto by like authority.





                                    ---------------------------
                                    Notary Public



<PAGE>

                          SCHEDULE A TO TRUST INDENTURE

                         THE PAINEWEBBER EQUITY TRUST
                             GROWTH STOCK SERIES 24

                            SCHEDULE OF INVESTMENTS

                  AS OF INITIAL DATE OF DEPOSIT, MARCH 1, 2000


COMMON STOCKS (1)


<TABLE>
<CAPTION>
                     PRIMARY INDUSTRY SOURCE AND                         NUMBER OF     COST OF SECURITIES
                            NAME OF ISSUER                                 SHARES        TO TRUST(2)(3)
                            --------------                                 ------        --------------
<S>                                                                     <C>           <C>
Cable TV (3.86%)
 Comcast Corporation* (Electronic Connections to the Web -- Cable)           900         $  38,250.00
Computers -- Hardware/Software (30.64%)
 Citrix Systems, Inc.* (Software)                                            360            37,957.50
 Electronic Data Systems Corporation (Advisors)                              580            37,555.00
 Gateway Inc.* (Personal Computers)                                          560            38,500.00
 Hewlett-Packard Company (Hardware -- Printers)                              290            39,005.00
 International Business Machines Corporation (IBM) (Hardware --
   Enterprise Hardware)                                                      360            36,720.00
 Microsoft Corporation* (Software)                                           430            38,431.25
 Oracle Corporation* (Software)                                              510            37,867.50
 Sun Microsystems, Inc.* (Hardware -- Enterprise Hardware)                   390            37,147.50
Electronics/Semi-Conductors (3.88%)
 Intel Corporation (Hardware -- Enterprise Hardware)                         340            38,420.00
Internet Content (7.63%)
 InfoSpace.com, Inc.* (Software)                                             170            36,890.00
 Network Solutions, Inc.* (Domain Names)                                     120            38,692.50
Internet Software (23.23%)
 America Online, Inc.* (Internet Service Providers)                          660            38,940.00
 Digex, Inc.* (Operators of Server Farms)                                    230            37,260.00
 Exodus Communications, Inc.* (Operators of Server Farms)                    270            38,441.25
 Proxicom, Inc.* (Advisors)                                                  910            38,106.25
 Scient Corporation* (Advisors)                                              550            38,912.50
 Verio Inc.* (Operators of Server Farms)                                     510            38,281.24
Networking Products (3.87%)
 Cisco Systems, Inc.* (Hardware -- Telecom Equipment)                        290            38,334.38
Retail -- Consumer Electronics (3.88%)
 Tandy Corporation (Electronic Connections to the Web -- Retailers)        1,010            38,443.13
Satellite Broadcasting (3.77%)
 General Motors Corporation - Class H* (Hughes Electronics)                  310            37,355.00
   (Electronic Connections to the Web -- Satellite)
Telecommunications (19.24%)
 AT&T Corp. (Electronic Connections to the Web -- Cable)                     780            38,561.25
 Lucent Technologies Inc. (Hardware -- Telecom Equipment)                    640            38,080.00
 MCI WorldCom, Inc.* (Bandwidth Providers)                                   850            37,931.25
</TABLE>



<PAGE>

                         THE PAINEWEBBER EQUITY TRUST
                             GROWTH STOCK SERIES 24

                      SCHEDULE OF INVESTMENTS (CONTINUED)

                  AS OF INITIAL DATE OF DEPOSIT, MARCH 1, 2000

COMMON STOCKS (1)



<TABLE>
<CAPTION>
                   PRIMARY INDUSTRY SOURCE AND                      NUMBER OF     COST OF SECURITIES
                         NAME OF ISSUER                               SHARES        TO TRUST(2)(3)
                         --------------                               ------        --------------
<S>                                                                <C>           <C>
 Nortel Networks Corporation (Hardware -- Telecom Equipment)           340          $  37,910.00
 Qwest Communications International Inc.* (Bandwith Providers)         820             38,027.50
                                                                                    ------------
   TOTAL INVESTMENTS                                                                $ 990,020.00
                                                                                    ============
</TABLE>


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(1) All stocks are represented entirely by contracts to purchase such stocks.

(2) Valuation of the stocks by the Trustee was made as described in
    "Valuation" in Part B of this Prospectus as of the close of business on
    the business day prior to the Initial Date of Deposit.

(3) The loss to the Sponsor on the Initial Date of Deposit is $1.

 *  Non-income producing security.












<PAGE>





                                                                    Exhibit 99.2

PaineWebber Inc.
1200 Harbor Boulevard
Weehawken, New Jersey  07087                                       March 1, 2000


Investors Bank & Trust Company
Hancock Towers
200 Clarendon Street
Boston, Massachusetts  02116


      Re:  PaineWebber Equity Trust,
           Growth Stock Series 24

Ladies and Gentlemen:

     We have served as counsel for PaineWebber Incorporated as sponsor and
depositor (the "Sponsor") of PaineWebber Equity Trust, Growth Stock Series 24
(hereinafter referred to as the "Trust") in connection with the issuance by the
Trust of an initial 100,000 units of fractional undivided interest in the Trust
(hereinafter referred to as the "Units").

     In this regard, we have examined executed originals or copies of the
following:

          (a) The Restated Certificate of Incorporation, as amended, and the
     By-Laws of the Sponsor, as amended, certified by the Secretary of the
     Sponsor on the date hereof;

<PAGE>

          (b) Resolutions of the Board of Directors of the Sponsor adopted on
     December 3, 1971 relating to the Trust and the sale of the Units, certified
     by the Secretary of the Sponsor on the date hereof;

          (c) Resolutions of the Executive Committee of the Sponsor adopted on
     September 24, 1984, certified by the Secretary of the Sponsor on the date
     hereof;

          (d) Powers of Attorney as set forth in the certificate of the
     Secretary of the Sponsor dated the date hereof;

          (e) The Registration Statement on Form S_6 (File No. 333-90837) filed
     with the Securities and Exchange Commission (the "Commission") in
     accordance with the Securities Act of 1933, as amended, and the rules and
     regulations of the Commission promulgated thereunder (collectively, the
     "1933 Act") and amendments thereto including Amendment No. 3 ("Amendment
     No. 3") proposed to be filed on March 1, 2000 (the "Registration
     Statement");

          (f) The Notification of Registration of the Trust filed with the
     Commission under the Investment Company Act of 1940, as amended
     (collectively, the "1940 Act") on Form N-8A, as amended, (the "1940 Act
     Notification");

          (g) The registration of the Trust filed with the Commission under the
     1940 Act on Form N-8B-2 (File No. 811-3722), as amended (the "1940 Act
     Registration);

          (h) The prospectus included in Amendment No. 3 (the "Prospectus");

          (i) The Standard Terms and Conditions of the Trust dated as of July 1,
     1998, as amended, between the Sponsor and Investors Bank & Trust Company,
     (the "Trustee") (the "Standard Terms");

          (j) The Trust Indenture dated as of March 1, 2000 between the Sponsor
     and the Trustee (the "Trust Indenture" and, collectively with the Standard
     Terms, the "Indenture and Agreement");

          (k) The Closing Memorandum dated March 1, 2000, between the Sponsor
     and the Trustee (the "Closing Memorandum");

          (l) Officers Certificates required by the Closing Memorandum; and

          (m) Such other pertinent records and documents as we have deemed
     necessary.

<PAGE>

     With your permission, in such examination, we have assumed the following:
(a) the authenticity of original documents and the genuineness of all
signatures; (b) the conformity to the originals of all documents submitted to us
as copies; (c) the truth, accuracy, and completeness of the information,
representations, and warranties contained in the records, documents, instruments
and certificates we have reviewed; (d) except as specifically covered in the
opinions set forth below, the due authorization, execution, and delivery on
behalf of the respective parties thereto of documents referred to herein and the
legal, valid, and binding effect thereof on such parties; and (e) the absence of
any evidence extrinsic to the provisions of the written agreement(s) between the
parties that the parties intended a meaning contrary to that expressed by those
provisions. However, we have not examined the securities deposited pursuant to
the Indenture and Agreement (the "Securities") nor the contracts for the
Securities.

     We express no opinion as to matters of law in jurisdictions other than the
laws of the State of New York (except "Blue Sky" laws) and the federal laws of
the United States, except to the extent necessary to render the opinion as to
the Sponsor and the Indenture and Agreement in paragraphs (i) and (iii) below
with respect to Delaware law. As you know we are not licensed to practice law in
the State of Delaware, and our opinion in paragraph (i) and (iii) as to Delaware
law is based solely on review of the official statutes of the State of Delaware.

     Based upon such examination, and having regard for legal considerations
which we deem relevant, we are of the opinion that:

     (i) The Sponsor is a corporation duly organized, validly existing, and in
good standing under the laws of the State of Delaware with full corporate power
to conduct its business as described in the Prospectus;

     (ii) The Sponsor is duly qualified as a foreign corporation and is in good
standing as such within the State of New York;

     (iii) The Indenture and Agreement has been duly authorized, executed and
delivered by the Sponsor and, assuming the due authorization, execution and
delivery by the Trustee, is a valid and binding agreement of the Sponsor,
enforceable against the Sponsor in accordance with its terms;

     (iv) The Trust has been duly formed and is validly existing as an
investment trust under the laws of the State of New York and has been duly
registered under the Investment Company Act of 1940;

     (v) The terms and provisions of the Units conform in all material respects
to the description thereof contained in the Prospectus;

     (vi) The consummation of the transactions contemplated under the Indenture
and Agreement and the fulfillment of the terms thereof will not be in violation
of the Sponsor's Restated

<PAGE>

Certificate of Incorporation, as amended, or By-Laws, as amended and will not
conflict with any applicable laws or regulations applicable to the Sponsor in
effect on the date hereof;

     (vii) The Units to be issued by the Trust, and recorded on its registration
books in accordance with the Indenture and Agreement against payment therefor,
as described in the Registration Statement and Prospectus will constitute
fractional undivided interests in the Trust enforceable against the Trust in
accordance with their terms, will be entitled to the benefits of the Indenture
and Agreement and will be fully paid and non-assessable; and

     (viii) While the Registration Statement has not yet become effective we
have no reason to believe that such Registration Statement will not become
effective within 30 days after the date hereof.

     In addition, we have participated in conferences with representatives of
the Sponsor, the Trustee, the Trust's accountants and others concerning the
Registration Statement and the Prospectus and have considered the matters
required to be stated therein and the statements contained therein, although we
have not independently verified the accuracy, completeness or fairness of such
statements. Based upon and subject to the foregoing, nothing has come to our
attention to cause us to believe that the Registration Statement, as of the date
hereof, contained an untrue statement of a material fact or omitted to state a
material fact required to be stated therein or necessary to make the statements
therein, in light of the circumstances under which they were made, not
misleading, or that the Prospectus, as of the date hereof, contained an untrue
statement of a material fact or omitted to state a material fact required to be
stated therein or necessary in order to make the statements therein, in light of
the circumstances under which they were made, not misleading (it being
understood that we have not been requested to and do not make any comment in
this paragraph with respect to the financial statements, schedules and other
financial and statistical information contained in the Registration Statement or
the Prospectus).


     Our opinion that any document is valid, binding, or enforceable in
accordance with its terms is qualified as to:

     (a) limitations imposed by bankruptcy, insolvency, reorganization,
arrangement, fraudulent conveyance, moratorium, or other laws relating to or
affecting the enforcement of creditors' rights generally;

     (b) rights to indemnification and contribution which may be limited by
applicable law or equitable principles; and

     (c) general principles of equity, regardless of whether such enforceability
is considered in a proceeding in equity or at law.

<PAGE>

     We hereby consent to the filing of this opinion as an exhibit to the
Registration Statement and to the use of our name wherever it appears in the
Registration Statement and the Prospectus.

                                              Very truly yours,



                                              CARTER, LEDYARD & MILBURN

KHM:cd




<PAGE>

                                                                   Exhibit 99.C1

PaineWebber Incorporated
1200 Harbor Boulevard                                     March 1, 2000
Weehawken, New Jersey  07087


Investors Bank & Trust Company
Hancock Towers
200 Clarendon Street
Boston, Massachusetts  02116


Ladies & Gentlemen:

     As counsel for PaineWebber Incorporated (the "Depositor"), we have examined
an executed copy of the Trust Indenture and Agreement dated as of March 1, 2000
(the "Indenture") and Standard Terms and Conditions of Trust, dated as of July
1, 1998 (the "Agreement"), both between the Depositor, and Investors Bank &
Trust Company, as Trustee. The Indenture established a trust called The
PaineWebber Equity Trust, Growth Stock Series 24 (the "Trust") into which the
Depositor deposited certain stocks (the "Securities"), and moneys to be held by
the Trustee upon the terms and conditions set forth in the Indenture and
Agreement. Under the Indenture, units were issued on the Initial Date of Deposit
representing 100,000 units of fractional undivided interest in the Trust (the
"Units").

     Based upon the foregoing and upon an examination of such other documents
and an investigation of such other pertinent records and documents and matters
of law as we have deemed necessary, we are of the opinion that, under existing
statutes and decisions:



<PAGE>





     1. The Trust is not an association taxable as a corporation for Federal
income tax purposes. Under the Internal Revenue Code of 1986, as amended (the
"Code"), each Unitholder will be treated as the owner of a pro rata portion of
the Trust, and income of the Trust will be treated as income of the Unitholder.

     2. Each Unitholder will have a taxable event when the Trust disposes of a
Security (whether by sale, exchange or payment at maturity) or when the
Unitholder redeems or sells its Unit or redeems its Unit for cash. For purposes
of determining gain or loss, the total tax cost of each Unit to a Unitholder is
allocated among each of the Securities, in accordance with the proportion of the
Trust comprised by each Security, to determine the Unitholder's per Unit tax
cost for each Security.

     3. The Trust is not an association taxable as a corporation for New York
State income tax purposes. Under New York State Law, each Unitholder will be
treated as the owner of a pro rata portion of the Trust, and the income of the
Trust will be treated as income of the Unitholders.

     We hereby consent to the filing of this opinion as an exhibit to the
Registration Statement (File No. 333-90837) relating to the Units referred to
above and to the use of our name and to the reference to our firm in said
Registration Statement and in the related Prospectus.

                                                    Very truly yours,



                                                    CARTER, LEDYARD & MILBURN


KHM:cd




<PAGE>





                                                                   Exhibit 99.C2




                         CONSENT OF INDEPENDENT AUDITORS


We consent to the use in this Amendment to the Registration Statement of our
report dated March 1, 2000 relating to the Statement of Net Assets of The
PaineWebber Equity Trust, Growth Stock Series 24, including the Schedule of
Investments, included herein, and to the reference made to us under the caption
"Independent Auditors" in the Prospectus.




                                ERNST & YOUNG LLP


March 1, 2000
New York, New York




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