FIRST TRUST GNMA SERIES 77
S-6, 2000-03-13
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               SECURITIES AND EXCHANGE COMMISSION
                     WASHINGTON, D.C.  20549

                            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 FIRST TRUST GNMA, REINVESTMENT
                                       INCOME TRUST "GRIT"
                                       Series 77 and Series 78

B.   Name of Depositor:               NIKE SECURITIES L.P.

C.   Complete Address of Depositor's  1001 Warrenville Road
     Principal Executive Offices:     Lisle, Illinois  60532

D.   Name and Complete Address of
     Agents for Service:              NIKE SECURITIES L.P.
                                      Attention:  James A. Bowen
                                      Suite 300
                                      1001 Warrenville Road
                                      Lisle, Illinois  60532

                                        CHAPMAN & CUTLER
                                        Attention:  Eric F. Fess
                                        111 West Monroe Street
                                        Chicago, Illinois  60603

E.   Title of Securities
     Being Registered:                An indefinite number of
                                      Units pursuant to Rule
                                      24f-2 promulgated under
                                      the Investment Company Act
                                      of 1940, as amended.

F.   Approximate Date of Proposed
     Sale to the Public:              ____ Check if it is
                                      proposed that this filing
                                      will become effective on
                                      _____ at ____ p.m.
                                      pursuant to Rule 487.

     The registrant hereby amends this Registration Statement  on
such  date  or  dates as may be necessary to delay its  effective
date  until  the registrant shall file a further amendment  which
specifically  states  that  this  Registration  Statement   shall
thereafter  become effective in accordance with Section  8(a)  of
the  Securities  Act of 1933 or until the Registration  Statement
shall  become  effective on such date as the  Commission,  acting
pursuant to said Section 8(a), may determine.


               SUBJECT TO COMPLETION, DATED MARCH 13, 2000

             The First Trust GNMA Reinvestment Income Trust
                                 "GRIT"

                         Series 77 and Series 78

The First Trust GNMA Reinvestment Income Trust is a series of a unit
investment trust, The First Trust GNMA Series. The First Trust GNMA
Reinvestment Income Trust consists of two separate portfolios listed
above (each, a "Trust," and collectively, the "Trusts"). Each Trust
invests in a portfolio of fixed-rate mortgage-backed securities issued
by Government National Mortgage Association ("GNMA") ("Securities").
Each Trust seeks to provide a high level of current income.

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

THE INFORMATION IN THIS PROSPECTUS IS NOT COMPLETE AND MAY BE CHANGED.
WE MAY NOT SELL THESE SECURITIES UNTIL THE REGISTRATION STATEMENT FILED
WITH THE SECURITIES AND EXCHANGE COMMISSION IS EFFECTIVE. THIS
PROSPECTUS IS NOT AN OFFER TO SELL THESE SECURITIES AND IS NOT
SOLICITING AN OFFER TO BUY THESE SECURITIES IN ANY STATE WHERE THE OFFER
OR SALE IS NOT PERMITTED.

                   First Trust (registered trademark)
                             1-800-621-9533

            The date of this prospectus is ____________, 2000

Page 1


                           Table of Contents

Summary of Essential Information                         3
Fee Table                                                4
Report of Independent Auditors                           5
Statements of Net Assets                                 6
Schedules of Investments                                 7
The First Trust GNMA Reinvestment Income Trust           8
Portfolio                                                9
Estimated Returns and Estimated Average Life             9
Risk Factors                                            10
Public Offering                                         10
Distribution of Units                                   13
The Sponsor's Profits                                   13
The Secondary Market                                    14
How We Purchase Units                                   14
Expenses and Charges                                    14
Tax Status                                              15
Retirement Plans                                        16
Rights of Unit Holders                                  16
Interest and Principal Distributions                    17
Redeeming Your Units                                    17
Removing Securities from a Trust                        18
Amending or Terminating the Indenture                   19
Rating of the Units                                     20
Information on the Sponsor, Trustee and Evaluator       20
Other Information                                       21

Page 2


                   Summary of Essential Information

                    At the Opening of Business on the
               Initial Date of Deposit-____________, 2000

                   Sponsor:   Nike Securities L.P.
                   Trustee:   The Chase Manhattan Bank
                 Evaluator:   Securities Evaluation Services, Inc.

<TABLE>
<CAPTION>
                                                                                          "GRIT"            "GRIT"
                                                                                          Series 77         Series 78
                                                                                  _________         _________
<S>                                                                                       <C>               <C>
Initial Number of Units
Fractional Undivided Interest in the Trust per Unit                                         1/                1/
Principal Amount (Par Value) of Securities per Unit (1)                                   $                 $
Public Offering Price:
     Aggregate Offering Price Evaluation of Securities per Unit (2)                       $                 $
     Maximum Sales Charge of 4.25% of the Public Offering Price per Unit
          (   % of the net amount invested, exclusive of the deferred sales charge) (3)   $                 $
     Less Deferred Sales Charge per Unit                                                  $ (.325)          $ (.325)
     Public Offering Price per Unit (4)                                                   $10.000           $10.000
Sponsor's Initial Repurchase Price per Unit (5)                                           $                 $
Redemption Price per Unit (based on aggregate bid side value of Securities
           less the deferred sales charge) (5)                                            $                 $
Cash CUSIP Number
Wrap CUSIP Number
Security Code
Estimated Average Life (6)                                                                   yrs.              yrs.
Estimated Net Annual Interest Income per Unit (7)                                         $                 $
Estimated Current Return (6)                                                                    %                 %
Estimated Long-Term Return (6)                                                                  %                 %
</TABLE>

<TABLE>
<CAPTION>
<S>                                                            <C>
First Settlement Date                                          ____________, 2000
Mandatory Termination Date (8)                                 ____________, 20__
Interest Distribution Record Date                              First day of each month, commencing __________ 1, 2000.
Interest Distribution Date (7)                                 Last day of each month, commencing __________ 31, 2000.

______________

<FN>
(1)Because the Securities will pay principal during the life of the
Trusts and may, in certain circumstances, be sold, redeemed, prepaid or
mature in accordance with their terms, the Unit value at the Mandatory
Termination Date will not be equal to the Principal Amount (Par Value)
of Securities per Unit stated above.

(2)Each Security is valued at its current market offering price.
Evaluations for purposes of determining the purchase, sale or redemption
price of Units are made as of the close of trading on the New York Stock
Exchange ("NYSE") (generally 4:00 p.m. Eastern time) on each day on
which it is open (the "Evaluation Time").

(3)The maximum sales charge consists of an initial sales charge and a
deferred sales charge. See "Fee Table" and "Public Offering."

(4)The Public Offering Price shown above reflects the value of the
Securities on the business day prior to the Initial Date of Deposit. No
investor will purchase Units at this price. The price you pay for your
Units will be based on their valuation at the Evaluation Time on the
date you purchase your Units. On the Initial Date of Deposit the Public
Offering Price per Unit will not include any net interest accrued on the
Units. After this date, a pro rata share of any net interest accrued on
the Units will be included.

(5)Until the earlier of six months after the Initial Date of Deposit or
the end of the initial offering period the Sponsor's Initial Repurchase
Price per Unit and the Redemption Price per Unit will include the
estimated organization costs per Unit set forth under "Fee Table." After
such date, the Sponsor's Repurchase Price and Redemption Price per Unit
will not include such estimated organization costs. See "Redeeming Your
Units."

(6)Estimated Current Return is determined by dividing a Trust's
estimated net annual interest income by the Public Offering Price per
Unit. Estimated Long-Term Return is a measure of the estimated return
over the estimated life of a Trust. Unlike Estimated Current Return,
Estimated Long-Term Return reflects maturities, estimated principal
prepayments, discounts and premiums of the Securities in the Trust.
Estimated Average Life takes into consideration the reinvestment of
principal during the Reinvestment Period. See "Estimated Returns and
Estimated Average Life."

(7)The amount of distributions from the Interest Account will vary from
month to month for various reasons, including changes in the Trust's
fees and expenses, the sale of Securities, principal payments,
prepayments and reinvestment. Amounts in the Principal Account will
generally be reinvested during the Reinvestment Period. After the
Reinvestment Period, distributions from the Principal Account will be
made in December of each year and also in any month in which the amount
available for distribution equals at least $1.00 per 100 Units. See
"Expenses and Charges" and "Interest and Principal Distributions."

(8)See "Amending or Terminating the Indenture."
</FN>
</TABLE>

Page 3


                               Fee Table

This Fee Table describes the fees and expenses that you may, directly or
indirectly, pay if you buy and hold Units of a Trust. See "Public
Offering" and "Expenses and Charges." Although each Trust is a unit
investment trust rather than a mutual fund, this information allows you
to compare fees.

<TABLE>
<CAPTION>
                                                                                 "GRIT"                  "GRIT"
                                                                                 Series 77               Series 78
                                                                                 _________               _________
                                                                                         Amount                  Amount
                                                                                         per Unit                per Unit
                                                                                         ________                ________
<S>                                                                         <C>          <C>        <C>          <C>
Unit Holder Transaction Expenses
(as a percentage of public offering price)
Maximum sales charge                                                        %            $          %            $
                                                                            ====         ====       ====         ====
Initial sales charge (paid at time of purchase)                             %(a)         $          %(a)         $
Deferred sales charge (paid in installments or at redemption)               %(b)                    %(b)

Organization Costs
(as a percentage of public offering price)
Estimated organization costs                                                %(c)         $          %(c)         $
                                                                            ====         ======     ====         ======

Estimated Annual Trust Operating Expenses
(as a percentage of average net assets)
Portfolio supervision, bookkeeping,
administrative and evaluation fees                                          %            $          %            $
Trustee's fee and other operating expenses                                  %(d)                    %(d)
                                                                            ____         ____       ____         ____
Total                                                                       %            $          %            $
                                                                            ====         ====       ====         ====
</TABLE>

                                 Example

This example is intended to help you compare the cost of investing in
the Trusts with the cost of investing in other investment products. The
example assumes that you invest $10,000 in the Trusts for the periods
shown and sell all your Units at the end of those periods. The example
also assumes a 5% return on your investment each year and that each
Trust's operating expenses stay the same. Although your actual costs may
vary, based on these assumptions your costs under each distribution
option would be:

<TABLE>
<CAPTION>
                                          1 Year     3 Years     5 Years    10 Years
                                          __________ __________  __________ __________
<S>                                       <C>        <C>         <C>        <C>
"GRIT" Series 77                          $          $           $          $
"GRIT" Series 78

The example will not differ if you hold rather than sell your Units at
the end of each period.

______________

<FN>
(a) The initial sales charge is the difference between the maximum sales
charge (4.25% of the Public Offering Price) and any remaining deferred
sales charge.

(b) The deferred sales charge is a fixed dollar amount equal to $.325 per
Unit which, as a percentage of the Public Offering Price, will vary over
time. The deferred sales charge will be deducted in _____ monthly
installments commencing ____________, 20__.

(c) Estimated organization costs will be deducted from the assets of each
Trust at the earlier of six months after the Initial Date of Deposit or
the end of the initial offering period.

(d) Other operating expenses include the costs incurred by the Trusts for
annually updating each Trust's registration statement. Historically, we
paid these costs. Other operating expenses do not, however, include
brokerage costs and other portfolio transaction fees. In certain
circumstances the Trusts may incur additional expenses not set forth
above. See "Expenses and Charges."
</FN>
</TABLE>

Page 4


                   Report of Independent Auditors

The Sponsor, Nike Securities L.P., and Unit Holders
The First Trust GNMA Reinvestment Income Trust, Series 77 and Series 78


We have audited the accompanying statements of net assets, including the
schedules of investments, of The First Trust GNMA Reinvestment Income
Trust, Series 77 and Series 78 (the "Trusts"), as of the opening of
business on ____________, 2000. These statements of net assets are the
responsibility of the Trusts' Sponsor. Our responsibility is to express
an opinion on these statements of net assets 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
statements of net assets are free of material misstatement. An audit
includes examining, on a test basis, evidence supporting the amounts and
disclosures in the statements of net assets. Our procedures included
confirmation of the letter of credit allocated among the Trusts on
____________, 2000. An audit also includes assessing the accounting
principles used and significant estimates made by the Sponsor, as well
as evaluating the overall presentation of the statements of net assets.
We believe that our audit of the statements of net assets provides a
reasonable basis for our opinion.

In our opinion, the statements of net assets referred to above present
fairly, in all material respects, the financial position of The First
Trust GNMA Reinvestment Income Trust, Series 77 and Series 78, at the
opening of business on ____________, 2000 in conformity with accounting
principles generally accepted in the United States.


                                        ERNST & YOUNG LLP

Chicago, Illinois
____________, 2000

Page 5


                           Statements of Net Assets

                    At the Opening of Business on the
               Initial Date of Deposit-____________, 2000

<TABLE>
<CAPTION>
                                                                                            "GRIT"           "GRIT"
                                                                                            Series 77        Series 78
                                                                                            _________        _________
<S>                                                                                         <C>              <C>
NET ASSETS
Investments in Securities represented by purchase contracts (1)(2)                          $                $
Accrued interest on underlying Securities (2)(3)
                                                                                            ________         ________

Less liability for reimbursement to Sponsor for organization costs (4)                        (   )            (   )
Less distributions payable (3)                                                                (   )            (   )
Less liability for deferred sales charge (5)                                                  (   )            (   )
                                                                                            ________         ________
Net assets                                                                                  $                $
                                                                                            =========        =========
Outstanding units
ANALYSIS OF NET ASSETS
Cost to investors (6)                                                                       $                $
Less maximum sales charge (6)                                                                 (   )            (   )
Less estimated reimbursement to Sponsor for organization costs (4)                            (   )            (   )
                                                                                            _________        _________
Net assets                                                                                  $                $
                                                                                            =========        =========

________________

<FN>
                    NOTES TO STATEMENTS OF NET ASSETS

(1) Aggregate cost of the Securities listed under "Schedule of
Investments" is based on their aggregate underlying value.

(2) An irrevocable letter of credit issued by The Chase Manhattan Bank,
of which $400,000 will be allocated to the Trusts, has been deposited
with the Trustee as collateral, covering the monies necessary to satisfy
the amounts set forth below:

                           Aggregate       Accrued Interest Accrued Interest
                           Offering Price  to Initial       to Expected
                           of Securities   Date of Deposit  Date of Delivery
                           _____________   ______________   ________________
"GRIT" Series Series 77    $               $                $
"GRIT" Series Series 78

(3) The Trustee will advance to each Trust the amount of net interest
accrued to the First Settlement Date which will be distributed to the
Sponsor as Unit holder of record.

(4) A portion of the Public Offering Price consists of an amount
sufficient to reimburse the Sponsor for all or a portion of the costs of
establishing the Trust. These costs have been estimated at $    and $
 per Unit for "GRIT" Series 77 and "GRIT" Series 78, respectively. A
payment will be made at the earlier of six months after the Initial Date
of Deposit or the end of the initial offering period to an account
maintained by the Trustee from which the obligation of the investors to
the Sponsor will be satisfied. To the extent that actual organization
costs are greater than the estimated amount, only the estimated
organization costs added to the Public Offering Price will be reimbursed
to the Sponsor and deducted from the assets of a Trust.

(5) Represents the amount of mandatory deferred sales charge
distributions from a Trust ($.325 per Unit), payable to us in _____
equal monthly installments beginning on ____________, 20__ and on the
twentieth day of each month thereafter (or if such day is not a business
day, on the preceding business day) through ____________, 20__. If you
redeem Units before ____________, 20__ you will have to pay the
remaining amount of the deferred sales charge applicable to such Units
when you redeem them.

(6) The aggregate cost to investors in the Trust includes a maximum
sales charge (comprised of an initial and a deferred sales charge)
computed at the rate of 4.25% of the Public Offering Price per Unit
(equivalent to    % of the net amount invested), assuming no reduction
of sales charge as set forth under "Public Offering."
</FN>
</TABLE>

Page 6


                         Schedules of Investments

                    At the Opening of Business on the
               Initial Date of Deposit-____________, 2000

        THE FIRST TRUST GNMA REINVESTMENT INCOME TRUST, SERIES 77

Government National Mortgage Association, Modified Pass-Through Mortgage-
                            Backed Securities

<TABLE>
<CAPTION>
                                                                Cost of
Aggregate                               Years of Stated         Securities to
Principal (1)       Coupon Rate         Maturity                Trust (2)
_________           ___________         _______________         ____________
<S>                 <C>                 <C>                     <C>
$                      %                  20__ - 20__           $
=========                                                       ===========
</TABLE>

        THE FIRST TRUST GNMA REINVESTMENT INCOME TRUST, SERIES 78

Government National Mortgage Association, Modified Pass-Through Mortgage-
                            Backed Securities

<TABLE>
<CAPTION>
                                                                Cost of
Aggregate                               Years of Stated         Securities to
Principal (1)       Coupon Rate         Maturity                Trust (2)
_________           ___________         _______________         ____________
<S>                 <C>                 <C>                     <C>
$                     %                   20__ - 20__           $
=========                                                       ===========

_____________

<FN>
(1) All Securities are represented by regular way contracts to purchase
such Securities which are backed by an irrevocable letter of credit
deposited with the Trustee. We entered into purchase contracts for the
Securities on ____________, 2000 and we expect that they will all settle
on or prior to ____________, 2000.

(2) The cost of the Securities to a Trust represents the aggregate
underlying value with respect to the Securities acquired (generally
determined by the offering side evaluation of the Securities at the
Evaluation Time on the business day preceding the Initial Date of
Deposit). The valuation of the Securities has been determined by the
Evaluator, certain shareholders of which are officers of the Sponsor.
The cost of the Securities to us and our profit or loss (which is the
difference between the cost of the Securities to us and the cost of the
Securities to a Trust) are set forth below:

                                        Cost of
                                        Securities       Profit
                                        to Sponsor       (Loss)
                                        _________        _______
"GRIT" Series 77                        $                $
"GRIT" Series 78
</FN>
</TABLE>

Page 7


     The First Trust GNMA Reinvestment Income Trust

The First Trust GNMA Reinvestment Income Trust Defined.

We, Nike Securities L.P. (the "Sponsor"), have created several similar
yet separate series of an investment company which we have named The
First Trust GNMA Reinvestment Income Trust. The series to which this
prospectus relates consists of two portfolios known as The First Trust
GNMA Reinvestment Income Trust, Series 77 and Series 78.

YOU MAY GET MORE SPECIFIC DETAILS CONCERNING THE NATURE, STRUCTURE AND
RISKS OF THIS PRODUCT IN AN "INFORMATION SUPPLEMENT" BY CALLING THE
TRUSTEE AT 1-800-682-7520.

The Trusts were created under the laws of the State of New York by a
Trust Agreement (the "Indenture") dated the Initial Date of Deposit.
This agreement, entered into among Nike Securities L.P., as Sponsor, The
Chase Manhattan Bank as Trustee, First Trust Advisors L.P. as Portfolio
Supervisor and Securities Evaluation Services, Inc. as Evaluator,
governs the operation of the Trusts. Each Trust will terminate upon the
redemption, sale or other disposition of the last Security held in such
Trust, but in no case later than its Mandatory Termination Date set
forth in "Summary of Essential Information."

How We Created the Trusts.

On the Initial Date of Deposit, we deposited portfolios of GNMA
securities with the Trustee, and in turn, the Trustee delivered
documents to us representing our ownership of the Trust in the form of
units ("Units").

With our deposit of Securities on the Initial Date of Deposit we
established a percentage relationship among the Securities in each
Trust's portfolio. After the Initial Date of Deposit, we may deposit
additional Securities in a Trust, or cash (including a letter of credit)
with instructions to buy more Securities, in order to create new Units
for sale. If we create additional Units, we will attempt, to the extent
practicable, to maintain the original percentage relationship between
the principal amounts of Ginnie Maes of specified interest rates and
ranges of maturities in the Trust. Precise duplication may not be
possible because fractions of Ginnie Maes may not be purchased and
identical Securities may not be available.

Since the prices of the underlying Securities will fluctuate daily, the
ratio of Securities in a Trust, on a market value basis, will also
change daily. The portion of Securities represented by each Unit will
not change as a result of the deposit of additional Securities or cash
in a Trust. If we deposit cash, you and new investors may experience a
dilution of your investment. This is because prices of Securities will
fluctuate between the time of the cash deposit and the purchase of the
Securities, and because a Trust pays brokerage fees to buy the
Securities. To reduce this dilution, the Trusts will try to buy the
Securities as close to the Evaluation Time and as close to the
evaluation price as possible. In addition, the costs of acquiring
additional Securities pursuant to the reinvestment of principal during
the Reinvestment Period will be borne by the Trusts. It is currently
anticipated that the Trustee will purchase these Securities directly
from market makers.

An affiliate of the Trustee may receive these brokerage fees or the
Trustee may retain and pay us (or our affiliate) to act as agent for the
Trusts to buy Securities. If we or an affiliate of ours act as agent to
the Trusts we will be subject to the restrictions under the Investment
Company Act of 1940, as amended.

We cannot guarantee that a Trust will keep its present size and
composition for any length of time. Securities may periodically be
redeemed, prepaid or sold under certain circumstances. These proceeds
will be reinvested to the extent practicable during the Reinvestment
Period or used to meet Trust obligations. However, Securities will not
be sold to take advantage of market fluctuations or changes in
anticipated rates of appreciation or depreciation, or if they no longer
meet the criteria by which they were selected. You will not be able to
dispose of or vote any of the Securities in a Trust. As the holder of
the Securities, the Trustee will vote all of the Securities and will do
so based on our instructions.

Neither we nor the Trustee will be liable for a failure in any of the
Securities. However, if a contract for the purchase of any of the
Securities initially deposited in a Trust fails, unless we can purchase
substitute Securities ("Replacement Securities"), we will refund to you
that portion of the purchase price, accrued interest and sales charge
resulting from the failed contract on the next Interest Distribution

Page 8

Date. Any Replacement Security a Trust acquires will be identical to
those from the failed contract.

                        Portfolio

Objectives.

The objective of each Trust is to provide a high level of current income
through an investment in a portfolio of fixed-rate mortgage-backed
securities representing pools of mortgages on 1- to 4-family dwellings
issued by Ginnie Mae. The Securities, but not the Units or the Trusts,
are backed by the full faith and credit of the U.S. government.

Reinvestment. In an effort to minimize the effect of principal payments
and prepayments we will direct the Trustee to reinvest all payments and
prepayments of principal from the underlying Securities into additional
GNMA securities for as long as we think it is practical to do so (the
"Reinvestment Period"). At the present time, we anticipate the
Reinvestment Period for each Trust to last approximately 9-11 years from
the Initial Date of Deposit. The GNMA securities the Trustee will
purchase will have similar maturities and interest rates as the
Securities upon which the principal was received. There may, however, be
times during the Reinvestment Period when reinvestment is not feasible
because we don't have enough cash to purchase additional GNMA securities
without incurring disproportionate expenses, additional GNMA securities
are not available or for various other reasons. In this instance the
Trust will generally hold the cash until additional purchases are
possible or distribute the cash when we think additional purchases are
not practical. There will be no attempt to time or delay the purchase of
additional Securities for reinvestment to take advantage of market
movements.

Of course, as with any similar investment, there can be no guarantee
that the objective of the Trusts will be achieved. See "Risk Factors"
for a discussion of the risks of investing in the Trusts.

                  Estimated Returns and
                 Estimated Average Life

The Current and Long-Term Returns set forth in the "Summary of Essential
Information" are estimates and are designed to be comparative rather
than predictive. We cannot predict your actual return, which will vary
with Unit price, the reinvestment of principal, how long you hold your
investment and with changes in the portfolio, interest income and
expenses. In addition, neither rate reflects the true return you will
receive, which will be lower, because neither includes the effect of
certain delays in distributions. Estimated Current Return equals the
estimated annual interest income to be received from the Securities less
estimated annual Trust expenses, divided by the Public Offering Price
per Unit (which includes the initial sales charge). Estimated Long-Term
Return is a measure of the estimated return over the Estimated Average
Life of the Trust and is calculated using a formula which (1) factors in
the market values, yields (which take into account the amortization of
premiums and the accretion of discounts) and estimated retirements of
the Securities, and (2) takes into account a compounding factor, the
sales charge and expenses. Unlike Estimated Current Return, Estimated
Long-Term Return reflects maturities, estimated principal prepayments,
discounts and premiums of the Securities in the Trust. We will provide
you with estimated cash flows for the Trust at no charge upon your
request.

In order to calculate Estimated Average Life, an estimated prepayment
rate for the remaining term of the mortgage pool must be determined.
Each of the primary market makers in Ginnie Mae Securities use
sophisticated computer models to determine the estimated prepayment
rate. These computer models take into account a number of factors and
assumptions including: actual prepayment data reported by GNMA for
recent periods on a particular pool, the impact of aging on the
prepayment of mortgage pools, the current interest rate environment, the
coupon, the housing environment, historical trends on GNMA securities as
a group, geographical factors and general economic trends. In
determining the Estimated Average Life of the Securities in the Trusts
we have relied upon the estimated prepayment rate determined by a
primary market maker. We cannot be certain that this estimate will prove
accurate or whether the estimated prepayment rate determined by another
primary market maker would have provided a better estimate. Any
difference between the estimate we use and the actual prepayment rate
will affect the Estimated Long-Term Return of the Trusts. Estimated
Average Life takes into consideration the reinvestment of principal
during the life of the Reinvestment Period.

Page 9


                      Risk Factors

Price Volatility. The Trusts invest in mortgage-backed securities. The
value of these Securities will decline with increases in interest rates,
not only because increases in rates generally decrease values, but also
because increased rates may indicate an economic slowdown. The value of
the Securities will also fluctuate with changes in the general condition
of the mortgage-backed securities market, changes in inflation rates or
when political or economic events affecting Ginnie Mae occur.

Because the Trusts are not managed, the Trustee will not sell Securities
in response to or in anticipation of market fluctuations, as is common
in managed investments. As with any investment, we cannot guarantee that
the performance of the Trusts will be positive over any period of time
or that you won't lose money. Units of the Trusts are not deposits of
any bank and are not insured or guaranteed by the Federal Deposit
Insurance Corporation or any other government agency.

Mortgage-Backed Securities. Mortgage-backed securities represent an
ownership interest in mortgage loans made by banks and other financial
institutions to finance purchases of homes. The individual mortgage
loans are "pooled" together for sale to investors. As the underlying
mortgage loans are paid off, investors receive principal and interest
payments.

Fixed-rate mortgage-backed securities represent a pool of mortgage loans
which pay a fixed rate of interest over the life of the loan. The value
of fixed-rate mortgage-backed securities generally decreases when
interest rates rise.

Guarantees. The Securities, but not the Units, are guaranteed as to the
timely payment of principal and interest by Ginnie Mae. Ginnie Mae
Securities are supported by the full faith and credit of the U.S.
government. You should note that the guaranty does not apply to the
market prices and yields of the Securities, which will vary with changes
in interest rates and other market conditions.

Reinvestment Risk. Mortgage-backed securities differ from conventional
debt securities because principal is paid back over the life of the
security rather than at maturity. In addition, we anticipate that the
Trusts will receive unscheduled prepayments of principal prior to a
Security's maturity date due to voluntary pre-payments, refinancing or
foreclosure on the underlying mortgage loans. As discussed under
"Portfolio" we intend to instruct the Trustee to reinvest principal
payments and prepayments into additional Securities during the
Reinvestment Period. Reinvestment during periods when interest rates
lower than those prevailing on the Initial Date of Deposit will have the
effect of decreasing monthly distributions of interest income from a
Trust. In addition, there may be times during the Reinvestment Period
when reinvestment is not feasible because we don't have enough cash to
purchase additional GNMA securities without incurring disproportionate
expenses, additional GNMA securities are not available or for various
other reasons. If the Trustee is unable to reinvest these proceeds, the
impact on the Trusts would be a loss of anticipated interest, and a
portion of its principal investment represented by any premium the Trust
may have paid. The number and dollar amount of mortgage prepayments
generally increase with falling interest rates and decrease with rising
interest rates. If you receive principal payments earlier than you
expect you may not be able to reinvest these proceeds into an instrument
which provides a rate of return equal to or greater than the Trusts.

Interest Income. Since the Trusts can only distribute what each
receives, interest distributions will decrease if principal payments and
prepayments cannot be reinvested.

Legislation/Litigation. From time to time, various legislative
initiatives are proposed in the United States which may have a negative
impact on mortgage-backed securities or their issuers. In addition,
litigation regarding Ginnie Mae or the mortgage-backed securities market
may negatively impact the value of these Securities. We cannot predict
what impact any pending or proposed legislation or pending or threatened
litigation will have on the value of the Securities.

                     Public Offering

The Public Offering Price.

You may buy Units at the Public Offering Price, the price per Unit of
which is comprised of the following:

- -  The aggregate underlying value of the Securities;

Page 10


- -  The amount of any cash in the Interest and Principal Accounts;

- -  Accrued interest on the Securities; and

- -  The total sales charge (which combines an initial up-front sales
charge and a deferred sales charge).

The price you pay for your Units will differ from the amount stated
under "Summary of Essential Information" due to various factors,
including fluctuations in the aggregate underlying value of the
Securities, changes in the value of the Interest and Principal Accounts
and with the accrual of net interest on the Units.

Although you are not required to pay for your Units until three business
days following your order (the "date of settlement"), you may pay before
then. You will become the owner of Units ("Record Owner") on the date of
settlement if payment has been received. If you pay for your Units
before the date of settlement, we may use your payment during this time
and it may be considered a benefit to us, subject to the limitations of
the Securities Exchange Act of 1934.

Organization Costs. Securities purchased with the portion of the Public
Offering Price intended to be used to reimburse the Sponsor for a
Trust's organization costs (including costs of preparing the
registration statement, the Indenture and other closing documents,
registering Units with the Securities and Exchange Commission ("SEC")
and states, the initial audit of the Trust portfolio, legal fees and the
initial fees and expenses of the Trustee) will be purchased in the same
proportionate relationship as all the Securities contained in the
Trusts. Securities will be sold to reimburse the Sponsor for a Trust's
organization costs at the earlier of six months after the Initial Date
of Deposit or the end of the initial offering period (a significantly
shorter time period than the life of the Trusts). During the period
ending with the earlier of six months after the Initial Date of Deposit
or the end of the initial offering period, there may be a decrease in
the value of the Securities. To the extent the proceeds from the sale of
these Securities are insufficient to repay the Sponsor for a Trust's
organization costs, the Trustee will sell additional Securities to allow
a Trust to fully reimburse the Sponsor. In that event, the net asset
value per Unit will be reduced by the amount of additional Securities
sold. Although the dollar amount of the reimbursement due to the Sponsor
will remain fixed and will never exceed the per Unit amount set forth
for a Trust in "Statements of Net Assets," this will result in a greater
effective cost per Unit to Unit holders for the reimbursement to the
Sponsor. To the extent actual organization costs are less than the
estimated amount, only the actual organization costs will be deducted
from the assets of a Trust. When Securities are sold to reimburse the
Sponsor for organization costs, the Trustee will sell such Securities,
to the extent practicable, which will maintain the same proportionate
relationship among the Securities as existed prior to such sale.

Accrued Interest.

Accrued interest represents unpaid interest on a Security from the last
day it paid interest. Interest on the Securities is paid monthly,
although the Trusts accrue such interest daily. Because the Trusts
always have an amount of interest earned but not yet collected, the
Public Offering Price of Units will have added to it the proportionate
share of accrued interest to the date of settlement. You will receive
the amount, if any, of accrued interest you paid for on the next
distribution date. In addition, if you sell or redeem your Units you
will be entitled to receive your proportionate share of the accrued
interest from the purchaser of your Units.

Minimum Purchase.

The minimum amount you can purchase of a Trust is $1,000 worth of Units
($500 if you are purchasing Units for your Individual Retirement Account
or any other qualified retirement plan).

Sales Charges.

The sales charge you will pay has both an initial and a deferred
component. The initial sales charge, which you will pay at the time of
purchase, is initially equal to approximately    % of the Public
Offering Price of a Unit, but will vary with the purchase price of your
Unit. When the Public Offering Price exceeds $10.00 per Unit, the
initial sales charge will exceed 1.00% of the Public Offering Price.
This initial sales charge is actually equal to the difference between
the maximum sales charge of 4.25% and the maximum remaining deferred
sales charge (initially $.325 per Unit) and will vary from    % with
changes in the aggregate underlying value of the Securities, changes in
the Interest and Principal Accounts and as deferred sales charge
payments are made.

Monthly Deferred Sales Charge. In addition, five monthly deferred sales

Page 11

charge payments of $    per Unit will be deducted from a Trust's assets
on approximately the twentieth day of each month from ____________, 20__
through ____________, 20__. If you buy Units at a price of less than
$10.00 per Unit, the dollar amount of the deferred sales charge will not
change, but the deferred sales charge on a percentage basis will be more
than ___% of the Public Offering Price.

After the initial offering period, if you purchase Units after the last
deferred sales charge payment has been assessed, your sales charge will
consist of a one-time initial sales charge of    % of the Public
Offering Price (equivalent to    % of the net amount invested).

Discounts for Certain Persons.

If you invest at least $50,000 (except if you are purchasing for a "wrap
fee account" as described below), the maximum sales charge is reduced,
as follows:

                                       Your Maximum
If you invest                          Sales Charge
(in thousands):*                       will be:
_________________                      ____________
$50 but less than $100                   3.00%
$100 but less than $150                  2.75%
$150 but less than $1,000                2.50%
$1,000 or more                           2.25%

* Breakpoint sales charges are also applied on a Unit basis utilizing a
breakpoint equivalent in the above table of $10 per Unit and will be
applied on whichever basis is more favorable to the investor. The
breakpoints will be adjusted to take into consideration purchase orders
stated in dollars which cannot be completely fulfilled due to the
requirement that only whole Units be issued.

The reduced sales charge for quantity purchases will apply only to
purchases made by the same person on any one day from any one dealer. To
help you reach the above levels, you can combine the Units you purchase
of the Trusts. We will consider Units you purchase in the name of your
spouse or child under 21 years of age to be purchases by you for
determining the reduced sales charge. The reduced sales charge will also
apply to a trustee or other fiduciary purchasing Units for a single
trust estate or single fiduciary account. You must inform your dealer of
any combined purchases before the sale in order to be eligible for the
reduced sales charge. Any reduced sales charge is the responsibility of
the party making the sale.

The following persons may purchase Units at the Public Offering Price
less the applicable dealer concession:

- -  Employees, officers and directors of the Sponsor, our related
companies, dealers and their affiliates, and vendors providing services
to us.

- -  Immediate family members of the above (spouses, children,
grandchildren, parents, grandparents, siblings, mothers-in-law, fathers-
in-law, sons-in-law, daughters-in-law, sisters-in-law and brothers-in-
law, and trustees, custodians or fiduciaries for the benefit of such
persons).

If you purchase Units through registered broker/dealers who charge
periodic fees in lieu of commissions or who charge for financial
planning, investment advisory or asset management services, or provide
these services as part of an investment account where a comprehensive
"wrap fee" charge is imposed, your Units will only be assessed that
portion of the sales charge retained by the Sponsor, 1.25% of the Public
Offering Price. This discount for "wrap fee" purchases is available
whether or not you purchase Units with the Wrap CUSIP. See "Distribution
of Units-Dealer Concessions."

The Value of the Securities.

The Evaluator will appraise the aggregate underlying value of the
Securities in the Trusts as of the Evaluation Time on each business day
and will adjust the Public Offering Price of the Units according to this
evaluation. This Public Offering Price will be effective for all orders
received before the Evaluation Time on each such day. If we or the
Trustee receive orders for purchases, sales or redemptions after that
time, or on a day which is not a business day, they will be held until
the next determination of price. The term "business day" as used in this
prospectus will exclude Saturdays, Sundays and certain national holidays
on which the NYSE is closed.

The aggregate underlying value of the Securities in the Trusts will be
determined by the Evaluator as follows:

a) On the basis of current market offering prices for the Securities
obtained from dealers or brokers who customarily deal in securities
comparable to those held by the Trusts;

b) If such prices are not available for any of the Securities, on the
basis of current market offering prices of comparable securities;

c) By determining the value of the Securities on the offering side of
the market by appraisal; or

d) By any combination of the above.

After the initial offering period is over, the aggregate underlying

Page 12

value of the Securities will be determined as set forth above, except
that bid prices are used instead of offering prices. The offering price
of the Securities may be expected to be greater than the bid price by
approximately 1-3% of the aggregate principal amount of such Securities.

There is a period of a few days (usually five business days), beginning
on the first day of each month, during which the total amount of
payments (including prepayments, if any) of principal for the preceding
month of the various mortgages underlying each Security will not yet
have been reported by the issuer to Ginnie Mae. During this period, the
precise principal amount of the Securities will not be known. During
this period, for purposes of determining the aggregate underlying value
of the Securities and the accrued interest on the Units, the Evaluator
will base its valuation and calculations upon the average monthly
principal distribution for the preceding twelve month period. We don't
expect the differences in such principal amounts from month to month to
be material. We will, however, adopt procedures to minimize the impact
of such differences when necessary.

                  Distribution of Units

We intend to qualify Units of the Trusts for sale in a number of states.
All Units will be sold at the then current Public Offering Price.

Dealer Concessions.

Dealers and other selling agents can purchase Units during the primary
or secondary market at prices which represent a concession or agency
commission of 3.0% of the Public Offering Price per Unit.

Dealers and other selling agents who, during any consecutive 12-month
period, sell at least $2 billion worth of primary market units of unit
investment trusts sponsored by us will receive a concession of $30,000
in the month following the achievement of this level. We reserve the
right to change the amount of concessions or agency commissions from
time to time. Certain commercial banks may be making Units of the Trusts
available to their customers on an agency basis. A portion of the sales
charge paid by these customers is kept by or given to the banks in the
amounts shown above.

Award Programs.

From time to time we may sponsor programs which provide awards to a
dealer's registered representatives who have sold a minimum number of
Units during a specified time period. We may also pay fees to qualifying
dealers for services or activities which are meant to result in sales of
Units of the Trust. In addition, we will pay to dealers who sponsor
sales contests or recognition programs that conform to our criteria, or
participate in our sales programs, amounts equal to no more than the
total applicable sales charge on the unit sales generated by such person
during such programs. We make these payments out of our own assets, and
not out of Trust assets. These programs will not change the price you
pay for your Units.

Investment Comparisons.

From time to time we may compare the estimated returns of the Trusts
(which may show performance net of the expenses and charges the Trusts
would have incurred) and returns over specified periods of other similar
trusts we sponsor in our advertising and sales materials, with (1)
returns on other investments such as the securities comprising various
market indexes, corporate or U.S. Government bonds, bank CDs and money
market accounts or funds, (2) performance data from Morningstar
Publications, Inc. or (3) information from publications such as Money,
The New York Times, U.S. News and World Report, BusinessWeek, Forbes or
Fortune. The investment characteristics of the Trust differs from other
comparative investments. You should not assume that these performance
comparisons will be representative of a Trust's future performance.

                  The Sponsor's Profits

We will receive a gross sales commission equal to the maximum sales
charge per Unit of a Trust less any reduced sales charge as stated in
"Public Offering." Also, any difference between our cost to purchase the
Securities and the price at which we sell them to a Trust is considered
a profit or loss (see Note 2 of "Notes to Schedules of Investments").
During the initial offering period, dealers and others may also realize
profits or sustain losses as a result of fluctuations in the Public
Offering Price they receive when they sell the Units.

In maintaining a market for the Units, any difference between the price
at which we purchase Units and the price at which we sell them will be a

Page 13

profit or loss to us.

                  The Secondary Market

Although not obligated, we intend to maintain a market for the Units
after the initial offering period and continuously offer to purchase
Units at prices based on the Redemption Price per Unit.

We will pay all expenses to maintain a secondary market, except the
Evaluator fees, Trustee costs to transfer and record the ownership of
Units and costs incurred in annually updating each Trust's registration
statement. We may discontinue purchases of Units at any time. IF YOU
WISH TO DISPOSE OF YOUR UNITS, YOU SHOULD ASK US FOR THE CURRENT MARKET
PRICES BEFORE MAKING A TENDER FOR REDEMPTION TO THE TRUSTEE. If you sell
or redeem your Units before you have paid the total deferred sales
charge on your Units, you will have to pay the remainder at that time.

                  How We Purchase Units

The Trustee will notify us of any tender of Units for redemption. If our
bid is equal to or greater than the Redemption Price per Unit, we may
purchase the Units. You will receive your proceeds from the sale no
later than if they were redeemed by the Trustee. We may tender Units we
hold to the Trustee for redemption as any other Units. If we elect not
to purchase Units, the Trustee may sell tendered Units in the over-the-
counter market, if any. However, the amount you will receive is the same
as you would have received on redemption of the Units.

                  Expenses and Charges

The estimated annual expenses of the Trusts are listed under "Fee
Table." If actual expenses exceed the estimate, the applicable Trust
will bear the excess. The Trustee will pay operating expenses of a Trust
from the Interest Account of the Trust if funds are available, and then
from the Principal Account. The Interest and Principal Accounts are
noninterest-bearing to Unit holders, so the Trustee may earn interest on
these funds, thus benefiting from their use.

As Sponsor, we will be compensated for providing bookkeeping and other
administrative services to the Trusts, and will receive brokerage fees
when the Trusts use us (or our affiliates) as agent in selling
Securities. Legal and regulatory filing fees and expenses associated
with updating each Trust's registration statement yearly are also now
chargeable to the Trusts. Historically, we paid these fees and expenses.
First Trust Advisors L.P., an affiliate of ours, acts as Portfolio
Supervisor and will receive the fee set forth under "Fee Table" for
providing portfolio supervisory services to the Trusts. In providing
portfolio supervisory services, the Portfolio Supervisor may purchase
research services from a number of sources, which may include dealers of
the Trusts.

The fees payable to us, First Trust Advisors L.P., the Evaluator and the
Trustee are based on the largest aggregate number of Units of a Trust
outstanding at any time during the calendar year, except during the
initial offering period, in which case these fees are calculated based
on the largest number of Units outstanding during the period for which
compensation is paid. These fees may be adjusted for inflation without
Unit holders' approval, but in no case will the annual fees paid to us
or our affiliates for providing a given service to all unit investment
trusts for which we provide such services exceed the actual cost of
providing such services in such year.

In addition to a Trust's operating expenses, and the fees described
above, the Trusts may also incur the following charges:

- -  All legal and annual auditing expenses of the Trustee according to
its responsibilities under the Indenture;

- -  The expenses and costs incurred by the Trustee to protect the Trusts
and the rights and interests of the Unit holders;

- -  Fees for any extraordinary services the Trustee performed under the
Indenture;

- -  Payment for any loss, liability or expense the Trustee incurred
without negligence, bad faith or willful misconduct on its part, in
connection with its acceptance or administration of the Trust;

- -  Payment for any loss, liability or expenses we incurred without
negligence, bad faith or willful misconduct in acting as Sponsor of the
Trust; and/or

- -  All taxes and other government charges imposed upon the Securities or
any part of a Trust.

The above expenses and the Trustee's annual fee are secured by a lien on
the Trusts. We cannot guarantee that the interest received will be

Page 14

sufficient to meet any or all expenses of the Trusts. If there is not
enough cash in the Interest or Principal Accounts, the Trustee has the
power to sell Securities to make cash available to pay these charges
which may result in capital gains or losses to you. See "Tax Status."

The Trusts will be audited annually. So long as we are making a
secondary market for Units, we will bear the costs of these annual
audits to the extent the cost exceeds $0.0050 per Unit. Otherwise, the
Trusts will pay for the audit. You can request a copy of the audited
financial statements from the Trustee.

                       Tax Status

This section summarizes some of the main U.S. federal income tax
consequences of owning Units of the Trusts. This section is current as
of the date of this prospectus. Tax laws and interpretations change
frequently, and these summaries do not describe all of the tax
consequences to all taxpayers. For example, these summaries generally do
not describe your situation if you are a non-U.S. person, a
broker/dealer, or other investor with special circumstances. In
addition, this section does not describe state or foreign taxes. As with
any investment, you should consult your own tax professional about your
particular consequences.

Trust Status.

Each Trust intends to qualify as a "regulated investment company" under
the Internal Revenue Code of 1986, as amended. This means the Trusts
generally will not be subject to federal income taxes or excise taxes on
dividends and capital gains earned from the Securities. You, however,
will be subject to federal income taxes on dividends and capital gains
you receive from a Trust.

Interest Distributions.

Distributions of a Trust's income, unless designated as capital gain
dividends, will be considered dividends for federal tax purposes, which
are taxable to you as ordinary income. To the extent distributions in
any year exceed a Trust's current and accumulated earnings and profits,
they will be treated as a return of capital and will reduce your basis
or be treated as a gain from the sale of Units to the extent they exceed
your basis. Distributions from a Trust are not eligible for the 70%
dividends received deduction for corporations.

Your Tax Basis and Income or Loss upon Disposition.

Distributions of net capital gain from a Trust which are designated by
such Trust as capital gain dividends will be taxable to you as long-term
capital gain, regardless of how long you have owned your Units. However,
if you receive a long-term capital gain dividend and sell your Units at
a loss prior to holding them for six months, the loss will be
recharacterized as long-term capital loss to the extent of the long-term
capital gain received as a dividend. You will generally recognize
capital gain or loss when you dispose of your Units (by sale, redemption
or otherwise). To determine the amount of this gain or loss, you must
subtract your tax basis in your Units from your proceeds received in the
transaction. Your tax basis in your Units is generally equal to the cost
of your Units. In some cases, however, you may have to adjust your tax
basis after you purchase your Units.

If you are an individual, the federal tax rate for net capital gain is
generally 20% (10% for certain taxpayers in the lowest tax bracket). Net
capital gain equals net long-term capital gain minus net short-term
capital loss for the taxable year. Capital gain or loss is long-term if
the holder period for the asset is more than one year and is short-term
if the holding period for the asset is one year or less. You must
exclude the date you purchase your Units to determine the holding period
of your Units. The tax rates for capital gains realized from assets held
for one year or less are generally the same as for ordinary income.

Limitations on the Deductibility of Trust Expenses.

Under the Code, certain miscellaneous itemized deductions, such as
investment expenses, tax return preparation fees and employee business
expenses, will be deductible by individuals only to the extent they
exceed 2% of adjusted gross income. Miscellaneous itemized deductions
subject to this limitation under present law do not include expenses
incurred by a Trust so long as the Units are held by or for 500 or more
persons at all times during the taxable year or another exception is
met. In the event the Units are held by fewer than 500 persons,
additional taxable income may be realized by the individual (and other
noncorporate) Unit holders in excess of the distributions received from
a Trust.

Page 15


Foreign Taxes.

If you are a foreign investor, subject to applicable tax treaties,
distributions from a Trust which constitute dividends for U.S. federal
income tax purposes (other than dividends designated by the Trust as
capital gain dividends) will be subject to U.S. income taxes, including
withholding taxes. Distributions designated as capital gain dividends
will not be subject to U.S. federal income taxes, including withholding
taxes, provided certain conditions are met. You should consult your tax
advisor with respect to the conditions you must meet in order to be
exempt for U.S. tax purposes.

                    Retirement Plans

You may purchase Units of the Trusts for:

- -  Individual Retirement Accounts;

- -  Keogh Plans;

- -  Pension funds; and

- -  Other tax-deferred retirement plans.

Generally, the federal income tax on capital gains and income received
in each of the above plans is deferred until you receive distributions.
These distributions are generally treated as ordinary income but may, in
some cases, be eligible for special averaging or tax-deferred rollover
treatment. Before participating in a plan like this, you should consult
your attorney or tax advisor. Brokerage firms and other financial
institutions offer these plans with varying fees and charges.

                 Rights of Unit Holders

Unit Ownership.

The Trustee will treat as Record Owner of Units persons registered as
such on its books. It is your responsibility to notify the Trustee when
you become Record Owner, but normally your broker/dealer provides this
notice. You may elect to hold your Units in either certificated or
uncertificated form.

Certificated Units. When you purchase your Units you can request that
they be evidenced by certificates, which will be delivered shortly after
your order. Certificates will be issued in fully registered form,
transferable only on the books of the Trustee in denominations of one
Unit or any multiple thereof. You can transfer or redeem your
certificated Units by endorsing and surrendering the certificate to the
Trustee, along with a written instrument of transfer. You must sign your
name exactly as it appears on the face of the certificate with your
signature guaranteed by an eligible institution. In certain cases the
Trustee may require additional documentation before they will transfer
or redeem your Units.

You may be required to pay a nominal fee to the Trustee for each
certificate reissued or transferred, and to pay any government charge
that may be imposed for each transfer or exchange. If a certificate gets
lost, stolen or destroyed, you may be required to furnish indemnity to
the Trustee to receive replacement certificates. You must surrender
mutilated certificates to the Trustee for replacement.

Uncertificated Units. You may also choose to hold your Units in
uncertificated form. If you choose this option, the Trustee will
establish an account for you and credit your account with the number of
Units you purchase. Within two business days of the issuance or transfer
of Units held in uncertificated form, the Trustee will send you:

- -  A written initial transaction statement containing a description of
your Trust;

- -  A list of the number of Units issued or transferred;

- -  Your name, address and Taxpayer Identification Number ("TIN");

- -  A notation of any liens or restrictions of the issuer and any adverse
claims; and

- -  The date the transfer was registered.

Uncertificated Units may be transferred the same way as certificated
Units, except that no certificate needs to be presented to the Trustee.
Also, no certificate will be issued when the transfer takes place unless
you request it. You may at any time request that the Trustee issue
certificates for your Units.

Unit Holder Reports.

In connection with each distribution, the Trustee will provide you with
a statement detailing the per Unit amount of interest (if any)
distributed. After the end of each calendar year, the Trustee will
provide you:

- -  The amount of interest received by your Trust less deductions for
payment of applicable taxes, fees and Trust expenses, redemption of

Page 16

Units and the balance remaining on the last business day of the calendar
year;

- -  The amount of principal on the Securities and the net proceeds
received therefrom less deduction for payment of applicable taxes, fees
and Trust expenses, redemption of Units and the balance remaining on the
last business day of the calendar year;

- -  The Securities held and the number of Units outstanding on the last
business day of the calendar year;

- -  The Redemption Price per Unit on the last business day of the
calendar year; and

- -  The amounts actually distributed during the calendar year from the
Interest and Principal Accounts, separately stated.

You may request from the Trustee copies of the evaluations of the
Securities as prepared by the Evaluator to enable you to comply with
federal and state tax reporting requirements.

          Interest and Principal Distributions

You will begin receiving distributions on your Units only after you
become a Record Owner. The Trustee will credit any interest received on
the Securities to the Interest Account. All other receipts, such as
return of capital, are credited to the Principal Account of a Trust.

After deducting the amount of accrued interest the Trustee advanced to
us as Unit holder of record as of the First Settlement Date, the Trustee
will distribute any interest in the Interest Account on or near the
Interest Distribution Dates to Unit holders of record on the preceding
Interest Distribution Record Date. See "Summary of Essential
Information." No interest distribution will be paid if accrued expenses
of a Trust exceed amounts in the Interest Account on the Interest
Distribution Dates. Distribution amounts will vary with changes in a
Trust's fees and expenses, in interest received, with principal payments
and prepayments and with the sale of Securities. During the Reinvestment
Period, the Trustee will generally reinvest principal payments and
prepayments into additional Securities. Amounts the Trustee is currently
unable to reinvest will be held in the Principal Account until such time
as reinvestment is possible or distributed to Unit holders if the
Trustee determines that reinvestment is not possible. After the
Reinvestment Period, the Trustee will distribute amounts in the
Principal Account, net of amounts designated to meet redemptions, pay
the deferred sales charge or pay expenses, on the last day of each month
to Unit holder of record on the fifteenth day of each month provided the
amount equals at least $1.00 per 100 Units. If the Trustee does not have
your TIN, it is required to withhold a certain percentage of your
distribution and deliver such amount to the Internal Revenue Service
("IRS"). You may recover this amount by giving your TIN to the Trustee
or when you file a tax return. However, you should check your statements
to make sure the Trustee has your TIN to avoid this "back-up withholding."

We anticipate that there will be enough money in the Principal Account
to pay the deferred sales charge. If not, the Trustee may sell
Securities to meet the shortfall. Within a reasonable time after a Trust
is terminated you will receive the pro rata share of the money from the
disposition of the Securities.

The Trustee may establish reserves (the "Reserve Account") within a
Trust to cover anticipated state and local taxes or any governmental
charges to be paid out of such Trust.

                  Redeeming Your Units

You may redeem all or a portion of your Units at any time by sending the
certificates representing the Units you want to redeem to the Trustee at
its unit investment trust office. If your Units are uncertificated, you
need only to deliver a request for redemption to the Trustee. In either
case, the certificates or the redemption request must be properly
endorsed with proper instruments of transfer and signature guarantees as
explained in "Rights of Unit Holders-Unit Ownership" (or by providing
satisfactory indemnity if the certificates were lost, stolen, or
destroyed). No redemption fee will be charged, but you are responsible
for any governmental charges that apply. Three business days after the
day you tender your Units (the "Date of Tender") you will receive cash
in an amount for each Unit equal to the Redemption Price per Unit
calculated at the Evaluation Time on the Date of Tender.

The Date of Tender is considered to be the date on which the Trustee
receives your certificates or redemption request (if such day is a day
the NYSE is open for trading). However, if your certificates or
redemption request are received after 4:00 p.m. Eastern time (or after

Page 17

any earlier closing time on a day on which the NYSE is scheduled in
advance to close at such earlier time), the Date of Tender is the next
day the NYSE is open for trading.

Any amounts paid on redemption representing interest will be withdrawn
from the Interest Account if funds are available for that purpose, or
from the Principal Account. All other amounts paid on redemption will be
taken from the Principal Account. The IRS will require the Trustee to
withhold a portion of your redemption proceeds if the Trustee does not
have your TIN, as generally discussed under "Interest and Principal
Distributions."

The Trustee may sell Securities to make funds available for redemption.
If Securities are sold, the size and diversification of a Trust will be
reduced. These sales may result in lower prices than if the Securities
were sold at a different time.

Your right to redeem Units (and therefore, your right to receive
payment) may be delayed:

- -  If the NYSE is closed (other than customary weekend and holiday
closings);

- -  If the SEC determines that trading on the NYSE is restricted or that
an emergency exists making sale or evaluation of the Securities not
reasonably practical; or

- -  For any other period permitted by SEC order.

The Trustee is not liable to any person for any loss or damage which may
result from such a suspension or postponement.

The Redemption Price.

The Redemption Price per Unit is determined by the Trustee by:

adding

1. cash in the Interest and Principal Accounts not designated to
purchase Securities;

2. the aggregate underlying value of the Securities held in a Trust; and

3. accrued interest on the Securities.

deducting

1. any applicable taxes or governmental charges that need to be paid out
of a Trust;

2. any amounts owed to the Trustee for its advances;

3. estimated accrued expenses of a Trust, if any;

4. cash held for distribution to Unit holders of record of a Trust as of
the business day before the evaluation being made; and

5. other liabilities incurred by a Trust; and

dividing

1. the result by the number of outstanding Units of a Trust.

Any remaining deferred sales charge on the Units when you redeem them
will be deducted from your redemption proceeds. In addition, until the
earlier of six months after the Initial Date of Deposit or the end of
the initial offering period, the Redemption Price per Unit will include
estimated organization costs as set forth under "Fee Table."

            Removing Securities from a Trust

The portfolios of the Trusts are not managed. However, we may, but are
not required to, direct the Trustee to dispose of a Security in certain
limited circumstances, including situations in which:

- -  The issuer of the Security has defaulted in the payment of principal
or interest on the Securities;

- -  Any action or proceeding seeking to restrain or enjoin the payment of
principal or interest on the Securities has been instituted;

- -  The issuer of the Security has breached a covenant which would affect
the payment of principal or interest on the Security, the issuer's
credit standing, or otherwise damage the sound investment character of
the Security;

- -  The issuer has defaulted on the payment of any other of its
outstanding obligations;

- - There has been a public tender offer made for a Security or a merger
or acquisition is announced affecting a Security, and that in our
opinion the sale or tender of the Security is in the best interest of
Unit holders; or

- -  Such factors arise which, in our opinion, adversely affect the tax or
exchange control status of the Securities or a Trust; or

- -  The price of the Security has declined to such an extent, or such
other credit factors exist, that in our opinion keeping the Security
would be harmful to a Trust.

If a Security defaults in the payment of principal or interest and no
provision for payment is made, the Trustee must notify us of this fact
within 30 days. If we fail to instruct the Trustee whether to sell or
hold the Security within 30 days of our being notified, the Trustee may,
in its discretion, sell any defaulted Securities and will not be liable
for any depreciation or loss incurred thereby.

Page 18


Except in the limited instance in which a Trust acquires Replacement
Securities, as described in "The First Trust GNMA Reinvestment Income
Trust," a Trust may not acquire any securities or other property other
than the Securities. The Trustee, on behalf of a Trust, will reject any
offer for new or exchanged securities or property in exchange for a
Security, except that we may instruct the Trustee to accept such an
offer or to take any other action with respect thereto as we may deem
proper if the issuer is in default with respect to such Securities or in
our written opinion the issuer will likely default in respect to such
Securities in the foreseeable future. Any obligations received in
exchange or substitution will be held by the Trustee subject to the
terms and conditions in the Indenture to the same extent as Securities
originally deposited in a Trust. We may get advice from the Portfolio
Supervisor before reaching a decision regarding the receipt of new or
exchanged securities or property. The Trustee may retain and pay us or
an affiliate of ours to act as agent for a Trust to facilitate selling
Securities, exchanged securities or property from a Trust. If we or our
affiliate act in this capacity, we will be held subject to the
restrictions under the Investment Company Act of 1940, as amended.

The Trustee may sell Securities that we designate; or, without our
direction, in its own discretion, in order to meet redemption requests
or pay expenses. We will maintain a list with the Trustee of which
Securities should be sold. We may consider sales of units of unit
investment trusts which we sponsor in making recommendations to the
Trustee on the selection of broker/dealers to execute a Trust's
portfolio transactions, or when acting as agent for a Trust in acquiring
or selling Securities on behalf of a Trust.

          Amending or Terminating the Indenture

Amendments. The Indenture may be amended by us and the Trustee without
your consent:

- -  To cure ambiguities;

- -  To correct or supplement any defective or inconsistent provision;

- -  To make any amendment required by any governmental agency; or

- -  To make other changes determined not to be materially adverse to your
best interests (as determined by us and the Trustee).

Termination. As provided by the Indenture, each Trust will terminate
upon the redemption, sale or other disposition of the last Security held
in such Trust, but in no case later than the Mandatory Termination Date.
A Trust may be terminated earlier:

- -  Upon the consent of 100% of the Unit holders;

- -  If the value of the Securities owned by such Trust as shown by any
evaluation is less than 20% of the aggregate principal amount of
Securities deposited in such Trust during the initial offering period
(the "Discretionary Liquidation Amount"); or

- -  In the event that Units of a Trust not yet sold aggregating more than
60% of the Units of such Trust are tendered for redemption by
underwriters, including the Sponsor.

Prior to termination the Trustee will send written notice to you which
will specify how you should tender your certificates, if any, to the
Trustee. If a Trust is terminated due to this last reason, we will
refund your entire sales charge; however, termination of a Trust before
the Mandatory Termination Date for any other reason will result in all
remaining unpaid deferred sales charges on your Units being deducted
from your termination proceeds. For various reasons, a Trust may be
reduced below the Discretionary Liquidation Amount and could therefore
be terminated before the Mandatory Termination Date.

Unless terminated earlier, the Trustee will begin to sell Securities in
connection with the termination of a Trust during the period beginning
nine business days prior to, and no later than, the Mandatory
Termination Date. We will determine the manner and timing of the sale of
Securities. Because the Trustee must sell the Securities within a
relatively short period of time, the sale of Securities as part of the
termination process may result in a lower sales price than might
otherwise be realized if such sale were not required at this time.

You will receive a cash distribution from the sale of the remaining
Securities, along with your interest in the Interest and Principal
Accounts, within a reasonable time after a Trust is terminated.
Regardless of the distribution involved, the Trustee will deduct from
the Trusts any accrued costs, expenses, advances or indemnities provided
for by the Indenture, including estimated compensation of the Trustee
and costs of liquidation and any amounts required as a reserve to pay
any taxes or other governmental charges.

Page 19


                   Rating of the Units

The Units of the Trusts are rated "AAA" by Standard & Poor's Managed
Fund Ratings Group, a division of The McGraw-Hill Companies ("Standard &
Poor's"). Trusts rated "AAA" are composed exclusively of assets that are
rated "AAA" by Standard & Poor's or have, in the opinion of Standard &
Poor's, credit characteristics comparable to assets rated "AAA".
Capacity to pay interest and repay principal is very strong in "AAA"
rated securities. This is the highest rating assigned by Standard &
Poor's. This rating should not be construed as an approval of the
offering of the Units by Standard & Poor's or as a guarantee of the
market value of the Trusts or the Units. Standard & Poor's has indicated
that this rating is not a recommendation to buy, hold or sell Units nor
does it take into account the extent to which expenses of the Trusts or
sales of Securities from the Trusts for less than their purchase price
will reduce payment to Unit holders of the interest and principal
required to be paid on such Securities. There is no guarantee that the
"AAA" investment rating with respect to the Units will be renewed after
it expires in 13 months from the Initial Date of Deposit. Standard &
Poor's has been compensated for its services in rating Units of the
Trusts.

    Information on the Sponsor, Trustee and Evaluator

The Sponsor.

We, Nike Securities L.P., specialize in the underwriting, trading and
wholesale distribution of unit investment trusts under the "First Trust"
brand name and other securities. An Illinois limited partnership formed
in 1991, we act as Sponsor for successive series of:

- -  The First Trust Combined Series

- -  FT Series (formerly known as The First Trust Special Situations Trust)

- -  The First Trust Insured Corporate Trust

- -  The First Trust of Insured Municipal Bonds

- -  The First Trust GNMA

First Trust introduced the first insured unit investment trust in 1974.
To date we have deposited more than $27 billion in First Trust unit
investment trusts. Our employees include a team of professionals with
many years of experience in the unit investment trust industry.

We are a member of the National Association of Securities Dealers, Inc.
and Securities Investor Protection Corporation. Our principal offices
are at 1001 Warrenville Road, Lisle, Illinois 60532; telephone number
(630) 241-4141. As of December 31, 1999, the total partners' capital of
Nike Securities L.P. was $19,881,035 (audited).

This information refers only to us and not to the Trust or to any series
of the Trust or to any other dealer. We are including this information
only to inform you of our financial responsibility and our ability to
carry out our contractual obligations. We will provide more detailed
financial information on request.

Code of Ethics. The Sponsor and the Trusts have adopted a code of ethics
requiring the Sponsor's employees who have access to information on
Trust transactions to report personal securities transactions. The
purpose of the code is to avoid potential conflicts of interest and to
prevent fraud, deception or misconduct with respect to the Trusts.

The Trustee.

The Trustee is The Chase Manhattan Bank, with its principal executive
office located at 270 Park Avenue, New York, New York 10017 and its unit
investment trust office at 4 New York Plaza, 6th Floor, New York, New
York, 10004-2413. If you have questions regarding the Trusts, you may
call the Customer Service Help Line at 1-800-682-7520. The Trustee is
supervised by the Superintendent of Banks of the State of New York, the
Federal Deposit Insurance Corporation and the Board of Governors of the
Federal Reserve System.

The Trustee has not participated in selecting the Securities; it only
provides administrative services.

Limitations of Liabilities of Sponsor and Trustee.

Neither we nor the Trustee will be liable for taking any action or for
not taking any action in good faith according to the Indenture. We will
also not be accountable for errors in judgment. We will only be liable
for our own willful misfeasance, bad faith, gross negligence (ordinary
negligence in the Trustee's case) or reckless disregard of our
obligations and duties. The Trustee is not liable for any loss or
depreciation when the Securities are sold. If we fail to act under the

Page 20

Indenture, the Trustee may do so, and the Trustee will not be liable for
any action it takes in good faith under the Indenture.

The Trustee will not be liable for any taxes or other governmental
charges or interest on the Securities which the Trustee may be required
to pay under any present or future law of the United States or of any
other taxing authority with jurisdiction. Also, the Indenture states
other provisions regarding the liability of the Trustee.

If we do not perform any of our duties under the Indenture or are not
able to act or become bankrupt, or if our affairs are taken over by
public authorities, then the Trustee may:

- -  Appoint a successor sponsor, paying them a reasonable rate not more
than that stated by the SEC,

- -  Terminate the Indenture and liquidate the Trusts, or

- -  Continue to act as Trustee without terminating the Indenture.

The Evaluator.

The Evaluator is Securities Evaluation Services, Inc. The Evaluator's
address is 531 East Roosevelt Road, Suite 200, Wheaton, Illinois 60187.

The Trustee, Sponsor and Unit holders may rely on the accuracy of any
evaluation prepared by the Evaluator. The Evaluator will make
determinations in good faith based upon the best available information,
but will not be liable to the Trustee, Sponsor or Unit holders for
errors in judgment.

                    Other Information

Legal Opinions.

Our counsel is Chapman and Cutler, 111 W. Monroe St., Chicago, Illinois,
60603. They have passed upon the legality of the Units offered hereby
and certain matters relating to federal tax law. Carter, Ledyard &
Milburn acts as the Trustee's counsel.

Experts.

Ernst & Young LLP, independent auditors, have audited the Trusts'
statements of net assets, including the schedules of investments, at the
opening of business on the Initial Date of Deposit, as set forth in
their report. We've included the Trusts' statements of net assets,
including the schedules of investments, in the prospectus and elsewhere
in the registration statement in reliance on Ernst & Young LLP's report,
given on their authority as experts in accounting and auditing.

Supplemental Information.

If you write or call the Trustee, you will receive free of charge
supplemental information about this Series, which has been filed with
the SEC and to which we have referred throughout. This information
states more specific details concerning the nature, structure and risks
of this product.

Page 21


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Page 22


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Page 23


                   FIRST TRUST (registered trademark)

             The First Trust GNMA Reinvestment Income Trust
                         Series 77 and Series 78

                              Sponsor:

                         Nike Securities L.P.

                    1001 Warrenville Road, Suite 300
                          Lisle, Illinois 60532
                             1-630-241-4141

                                Trustee:

                        THE CHASE MANHATTAN BANK

                       4 New York Plaza, 6th floor
                      New York, New York 10004-2413
                             1-800-682-7520
                          24-Hour Pricing Line:
                             1-800-446-0132

  This prospectus contains information relating to the above-mentioned
   unit investment trusts, but does not contain all of the information
 about this investment company as filed with the Securities and Exchange
                Commission in Washington, D.C. under the:

- - Securities Act of 1933 (file no. 333-_____) and

- - Investment Company Act of 1940 (file no. 811-05903)

  Information about the Trusts, including their Codes of Ethics, can be
 reviewed and copied at the Securities and Exchange Commission's Public
Reference Room in Washington D.C. Information regarding the operation of
  the Commission's Public Reference Room may be obtained by calling the
                      Commission at 1-202-942-8090.

  Information about the Trust is available on the EDGAR Database on the
                      Commission's Internet site at
                           http://www.sec.gov.

                 To obtain copies at prescribed rates -

              Write: Public Reference Section of the Commission
                     450 Fifth Street, N.W.
                     Washington, D.C. 20549-0102
     e-mail address: [email protected]

                           ____________, 2000

           PLEASE RETAIN THIS PROSPECTUS FOR FUTURE REFERENCE

Page 24


                   First Trust (registered trademark)

                       The First Trust GNMA Series

                         Information Supplement

This Information Supplement provides additional information concerning
the structure, operations and risks of the unit investment trust
contained in The First Trust GNMA Reinvestment Income Trust, Series 77
and Series 78 not found in the prospectus for the Trusts. This
Information Supplement is not a prospectus and does not include all of
the information you should consider before investing in the Trusts. This
Information Supplement should be read in conjunction with the prospectus
for the Trust in which you are considering investing.

This Information Supplement is dated ____________, 2000. Capitalized
terms have been defined in the prospectus.

                            Table of Contents

Risk Factors                                                   1

Risk Factors

An investment in Units of the Trusts should be made with an
understanding of the risks which an investment in fixed rate long-term
debt obligations may entail, including the risk that the value of the
underlying Securities and hence of the Units will decline with increases
in interest rates. The value of the underlying Securities will fluctuate
inversely with changes in interest rates. In addition, the potential for
appreciation of the underlying Securities, which might otherwise be
expected to occur as a result of a decline in interest rates, may be
limited or negated by increased principal prepayments in respect of the
underlying mortgages. For example, the high inflation during certain
periods, together with the fiscal measures adopted to attempt to deal
with it, has resulted in wide fluctuations in interest rates and, thus,
in the value of fixed rate long-term debt obligations generally. The
Sponsor cannot predict whether such fluctuations will continue in the
future or whether the reinvestment of principal will mitigate the impact
of these fluctuations.

The portfolios of the Trusts consist of Ginnie Maes (or contracts to
purchase Ginnie Maes) fully guaranteed as to payments of principal and
interest by GNMA. Each group of Ginnie Maes described herein as having a
specified range of maturities includes individual mortgage-backed
securities which have varying ranges of maturities within each range set
forth in "Schedules of Investments." Current market conditions accord
little or no difference in price among individual Ginnie Mae securities
with the same coupon within certain ranges of stated maturity dates on
the basis of the difference in the maturity dates of each Ginnie Mae. A
purchase of Ginnie Maes with the same coupon rate and maturity date
within such range will be considered an acquisition of the same security
for both additional deposits and for the reinvestment of principal. In
the future, however, the difference in maturity ranges could affect
market value of the individual Ginnie Maes. At such time, any additional
purchases by the Trusts will take into account the maturities of the
individual securities. The mortgages underlying the Ginnie Maes in the
Trusts have an original stated maturity of up to 30 years.

The Trusts may contain Securities which were acquired at a market
discount. Such Securities trade at less than par value because the
interest coupons thereon are lower than interest coupons on comparable
debt securities being issued at currently prevailing interest rates. If
such interest rates for newly issued and otherwise comparable securities
increase, the market discount of previously issued securities will
become greater, and if such interest rates for newly issued comparable
securities decline, the market discount of previously issued securities
will be reduced, other things being equal. Investors should also note
that the value of Ginnie Maes purchased at a market discount will
increase in value faster than Ginnie Maes purchased at a market premium
if interest rates decrease. Conversely, if interest rates increase, the
value of Ginnie Maes purchased at a market discount will decrease faster
than Ginnie Maes purchased at a premium. In addition, if interest rates
rise, the prepayment risk of higher yielding, premium Ginnie Maes and
the prepayment benefit for lower yielding, discount Ginnie Maes will be
reduced. Market discount attributable to interest changes does not
indicate a lack of market confidence in the issue. Neither the Sponsor
nor the Trustee shall be liable in any way for any default, failure or
defect in any of the Securities.

The Trusts may contain Securities which were acquired at a market
premium. Such Securities trade at more than par value because the
interest coupons thereon are higher than interest coupons on comparable
debt securities being issued at currently prevailing interest rates. If
such interest rates for newly issued and otherwise comparable securities
decrease, the market premium of previously issued securities will be
increased, and if such interest rates for newly issued comparable
securities increase, the market premium of previously issued securities

Page 1

will be reduced, other things being equal. The current returns of
securities trading at a market premium are initially higher than the
current returns of comparably rated debt securities of a similar type
issued at currently prevailing interest rates because premium securities
tend to decrease in market value as they approach maturity when the face
amount becomes payable. Because part of the purchase price is thus
returned not at maturity but through current income payments, early
redemption of a premium security at par or early prepayments of
principal will result in a reduction in yield. Prepayments of principal
on securities purchased at a market premium are more likely than
prepayments on securities purchased at par or at a market discount and
the level of prepayments will generally increase if interest rates
decline. Market premium attributable to interest changes does not
indicate market confidence in the issue.

The mortgages underlying a Ginnie Mae may be prepaid at any time without
penalty. A lower or higher current return on Units may occur depending
on (i) whether the price at which the respective Ginnie Maes were
acquired by the Trusts is lower or higher than par, (ii) whether
principal is reinvested or distributed to Unit holders and (iii) if
reinvestment occurs, whether the Ginnie Maes purchased by the Trustee
with reinvested principal are purchased at a premium or discount from
par. During periods of declining interest rates, prepayments of Ginnie
Maes may occur with increasing frequency because, among other reasons,
mortgagors may be able to refinance their outstanding mortgages at lower
interest rates. In such a case, (i) the reinvestment of principal may be
at prices which result in a lower return on Units or (ii) principal will
be distributed to Unit holders who cannot reinvest such principal
distributions in other securities at an attractive yield.

Description of Securities. The Ginnie Maes included in the Trusts are
backed by the indebtedness secured by underlying mortgage pools of up to
30 year mortgages on 1- to 4-family dwellings. The pool of mortgages
which is to underlie a particular new issue of Ginnie Maes is assembled
by the proposed issuer of such Ginnie Maes. The issuer is typically a
mortgage banking firm, and in every instance must be a mortgagee
approved by and in good standing with the Federal Housing Administration
("FHA"). In addition, GNMA imposes its own criteria on the eligibility
of issuers, including a net worth requirement.

The mortgages which are to comprise a new Ginnie Mae pool may have been
originated by the issuer itself in its capacity as a mortgage lender or
may be acquired by the issuer from a third party, such as another
mortgage banker, a banking institution, the Veterans Administration
("VA") (which in certain instances acts as a direct lender and thus
originates its own mortgages) or one of several other governmental
agencies. All mortgages in any given pool will be insured under the
National Housing Act, as amended ("FHA-insured"), or Title V of the
Housing Act of 1949 ("FMHA Insured") or guaranteed under the
Servicemen's Readjustment Act of 1944, as amended, or Chapter 37 of
Title 38, U.S.C. ("VA-guaranteed"). Such mortgages will have a date for
the first scheduled monthly payment of principal that is not more than
one year prior to the date on which GNMA issues its guaranty commitment
as described below, will have comparable interest rates and maturity
dates, and will meet additional criteria of GNMA. All mortgages in the
pools backing the Ginnie Maes contained in the Trusts are mortgages on 1-
 to 4-family dwellings (having a stated maturity of up to 30 years for
Securities in the Trusts but an estimated average life of considerably
less as set forth in "Special Information"). In general, the mortgages
in these pools provide for equal monthly payments over the life of the
mortgage (aside from prepayments) designed to repay the principal of the
mortgage over such period, together with interest at the fixed rate on
the unpaid balance.

To obtain GNMA approval of a new pool of mortgages, the issuer will file
with GNMA an application containing information concerning itself,
describing generally the pooled mortgages, and requesting that GNMA
approve the issue and issue its commitment (subject to GNMA's
satisfaction with the mortgage documents and other relevant
documentation) to guarantee the timely payment of principal of and
interest on the Ginnie Maes to be issued by the issuer. If the
application is in order, GNMA will issue its commitment and will assign
a GNMA pool number to the pool. Upon completion of the required
documentation (including detailed information as to the underlying
mortgages, a custodial agreement with a Federal or state regulated
financial institution satisfactory to GNMA pursuant to which the
underlying mortgages will be held in safekeeping, and a detailed
guaranty agreement between GNMA and the issuer), the issuance of the
Ginnie Maes is permitted. When the Ginnie Maes are issued, GNMA will
endorse its guarantee thereon. The aggregate principal amount of Ginnie
Maes issued will be equal to the then aggregate unpaid principal
balances of the pooled mortgages. The interest rate borne by the Ginnie
Maes is currently fixed at 1/2 of 1% below the interest rate of the
pooled 1- to 4-family mortgages, the differential being applied to the
payment of servicing and custodial charges as well as GNMA's guaranty fee.

Ginnie Mae IIs consist of jumbo pools of mortgages from more than one
issuer. By allowing pools to consist of multiple issuers, it allows for
larger and more geographically diverse pools. Unlike Ginnie Mae Is,
which have a minimum pool size of $1 million, Ginnie Mae IIs have a
minimum pool size of $7 million. In addition, the interest rates on the
mortgages within the Ginnie Mae II pools will vary unlike the mortgages
within pools in Ginnie Mae Is which all have the same rate. The rates on
the mortgages will vary from 1/2 of 1% to 1.50% above the coupon rate on
the GNMA bond, which is allowed for servicing and custodial fees as well
as the GNMA's guaranty fee. The major advantage of Ginnie Mae IIs lies
in the fact that a central paying agent sends one check to the holder on
the required payment date. This greatly simplifies the current procedure
of collecting distributions from each issuer of a Ginnie Mae, since such

Page 2

distributions are often received late.

All of the Ginnie Maes in the Trusts, including the Ginnie Mae IIs, are
of the "fully modified pass-through" type, i.e., they provide for timely
monthly payments to the registered holders thereof (including the
Trusts) of their pro rata share of the scheduled principal payments on
the underlying mortgages, whether or not collected by the issuers,
including, on a pro rata basis, any prepayments of principal of such
mortgages received and interest (net of the servicing and other charges
described above) on the aggregate unpaid principal balance of such
Ginnie Maes, whether or not the interest on the underlying mortgages has
been collected by the issuers.

The Ginnie Maes in the Trusts are guaranteed as to timely payment of
principal and interest by GNMA. Funds received by the issuers on account
of the mortgages backing the Ginnie Maes in the Trusts are intended to
be sufficient to make the required payments of principal of and interest
on such Ginnie Maes but, if such funds are insufficient for that
purpose, the guaranty agreements between the issuers and GNMA require
the issuers to make advances sufficient for such payments. If the
issuers fail to make such payments, GNMA will do so.

GNMA is authorized by Section 306(g) of Title III of the National
Housing Act to guarantee the timely payment of and interest on
securities which are based on or backed by a trust or pool composed of
mortgages insured by FHA, the Farmers' Home Administration ("FMHA") or
guaranteed by the VA. Section 306(g) provides further that the full
faith and credit of the United States is pledged to the payment of all
amounts which may be required to be paid under any guaranty under such
subsection. An opinion of an Assistant Attorney General of the United
States, dated December 9, 1969, states that such guaranties "constitute
general obligations of the United States backed by its full faith and
credit."* GNMA is empowered to borrow from the United States
Treasury to the extent necessary to make any payments of principal and
interest required under such guaranties.

Ginnie Maes are backed by the aggregate indebtedness secured by the
underlying FHA-insured, FMHA-insured or VA-guaranteed mortgages and,
except to the extent of funds received by the issuers on account of such
mortgages, Ginnie Maes do not constitute a liability of nor evidence any
recourse against such issuers, but recourse thereon is solely against
GNMA. Holders of Ginnie Maes (such as the Trusts) have no security
interest in or lien on the underlying mortgages.

The GNMA guaranties referred to herein relate only to payment of
principal of and interest on the Ginnie Maes in the Trusts and not to
the Units offered hereby.

Monthly payments of principal will be made, and additional prepayments
of principal may be made, to each Trust in respect of the mortgages
underlying the Ginnie Maes in the Trusts. All of the mortgages in the
pools relating to the Ginnie Maes in the Trusts are subject to
prepayment without any significant premium or penalty at the option of
the mortgagors. While the mortgages on 1- to 4-family dwellings
underlying the Ginnie Maes have a stated maturity of up to 30 years for
the Trusts, it has been the experience of the mortgage industry that the
average life of comparable mortgages, owing to prepayments, refinancings
and payments from foreclosures, is considerably less.

In the mid-1970's, published yield tables for Ginnie Maes utilized a 12-
year average life assumption for Ginnie Mae pools of 26-30 year
mortgages on 1- to 4-family dwellings. This assumption was derived from
the FHA experience relating to prepayments on such mortgages during the
period from the mid-1950's to the mid-1970s. This 12-year average life
assumption was calculated in respect of a period during which mortgage
lending rates were fairly stable. THE ASSUMPTION IS NO LONGER AN
ACCURATE MEASURE OF THE AVERAGE LIFE OF GINNIE MAES OR THEIR UNDERLYING
SINGLE FAMILY MORTGAGE POOLS. RECENTLY IT HAS BEEN OBSERVED THAT
MORTGAGES ISSUED AT HIGH INTEREST RATES HAVE EXPERIENCED ACCELERATED
PREPAYMENT RATES WHICH WOULD INDICATE A SIGNIFICANTLY SHORTER AVERAGE
LIFE THAN 12 YEARS. TODAY, RESEARCH ANALYSTS USE COMPLEX FORMULAE TO
SCRUTINIZE THE PREPAYMENTS OF MORTGAGE POOLS IN AN ATTEMPT TO PREDICT
MORE ACCURATELY THE AVERAGE LIFE OF GINNIE MAES.

A number of factors, including homeowner's mobility, change in family
size and mortgage market interest rates will affect the average life of
the Ginnie Maes in each Trust. For example, Ginnie Maes issued during a
period of high interest rates will be backed by a pool of mortgage loans
bearing similarly high rates. In general, during a period of declining
interest rates, new mortgage loans with interest rates lower than those
charged during periods of high rates will become available. To the
extent a homeowner has an outstanding mortgage with a high rate, he may
refinance his mortgage at a lower interest rate or he may rapidly repay
his old mortgage. Should this happen, a Ginnie Mae issued with a high
interest rate may experience a rapid prepayment of principal as the
underlying mortgage loans prepay in whole or in part. Accordingly, there
can be no assurance that the prepayment levels which will be actually
realized will conform to the estimates or experience of the FHA, other
mortgage lenders, dealers or market makers or other Ginnie Mae
investors. It is not possible to meaningfully predict prepayment levels
regarding the Ginnie Maes in the Trusts. Even though the reinvestment of
principal may mitigate the effects of prepayments of principal, the
termination of the Trusts might be accelerated as a result of
prepayments made as described herein.

__________________

* Any statement in this Prospectus that a particular security is
  backed by the full faith and credit of the United States is based upon
  the opinion of an Assistant Attorney General of the United States and
  should be so construed.

Page 3


                           MEMORANDUM


RE:  THE FIRST TRUST GNMA REINVESTMENT INCOME TRUST, SERIES 77 &
                            SERIES 78

     The  only  difference  of consequence (except  as  described
below)  between The First Trust GNMA Reinvestment  Income  Trust,
Series  76,  which is the current fund, and The First Trust  GNMA
Reinvestment Income Trust, Series 77 & Series 78, the  filing  of
which  this  memorandum accompanies, is the change in the  series
number.   The  list  of  securities  comprising  the  Fund,   the
evaluation,  record  and  distribution dates  and  other  changes
pertaining  specifically  to the new series,  such  as  size  and
number  of  Units in the Trust and the statement of condition  of
the new Trust, will be filed by amendment.


                            1940 ACT


                      FORMS N-8A AND N-8B-2

     These forms were not filed, as the Form N-8A and Form N-8B-2
filed in respect of The First Trust GNMA Fund, Series 1 (File No.
811-3969) related also to the subsequent series of the Trust.


                            1933 ACT


                           PROSPECTUS

     The  only  significant changes in the  Prospectus  from  the
Series 76 prospectus relate to the series number and size and the
date  and various items of information which will be derived from
and apply specifically to the securities deposited in the Trust.


               CONTENTS OF REGISTRATION STATEMENT


Item A.   Bonding Arrangements of Depositor:

          Nike Securities L.P. is covered by a Brokers Fidelity
          Bond, in the total amount of $1,000,000, the insurer
          being National Union Fire Insurance Company of
          Pittsburgh.

Item B.   This Registration Statement on Form S-6 comprises the
          following papers and documents:

          The facing sheet
          The Prospectus
          The signatures
          Exhibits


                               S-1
                           SIGNATURES

     Pursuant to the requirements of the Securities Act of  1933,
the  Registrant, The First Trust GNMA Reinvestment Income  Trust,
Series  77  &  Series  78,  has  duly  caused  this  Registration
Statement  to  be  signed  on  its  behalf  by  the  undersigned,
thereunto duly authorized, in the Village of Lisle and  State  of
Illinois on March 13, 2000.

                                THE FIRST TRUST GNMA
                                   REINVESTMENT INCOME TRUST,
                                   SERIES 77 & SERIES 78
                                      (Registrant)

                              By: NIKE SECURITIES L.P.
                                     (Depositor)


                              By:        Robert M. Porcellino
                                       Senior Vice President

     Pursuant to the requirements of the Securities Act of  1933,
this  Registration  Statement  has  been  signed  below  by   the
following person in the capacity and on the date indicated:

        NAME               TITLE*                         DATE

David J. Allen       Sole Director of       )
                     Nike Securities        )
                     Corporation the General )
                     Partner of Nike        )March 13, 2000
                     Securities L.P.        )
                                            )
                                            )Robert M. Porcellino
                                            )Attorney-in-fact**
                                            )




*    The title of the person named herein represents his capacity
     in and relationship to Nike Securities L.P., the depositor.

**   An  executed copy of the related power of attorney was filed
     with  the  Securities and Exchange Commission in  connection
     with Amendment No. 1 to Form S-6 of The First Trust Combined
     Series  258  (File  No. 33-63483) and  the  same  is  hereby
     incorporated herein by this reference.

                               S-2
                       CONSENTS OF COUNSEL

     The  consents  of counsel to the use of their names  in  the
Prospectus  included  in  this  Registration  Statement  will  be
contained  in their respective opinions to be filed  as  Exhibits
3.1 and 3.4 of the Registration Statement.


         CONSENT OF SECURITIES EVALUATION SERVICE, INC.

     The  consent of Securities Evaluation Service, Inc.  to  the
use  of  its name in the Prospectus included in this Registration
Statement  will  be  filed  as Exhibit 4.1  to  the  Registration
Statement.


CONSENT OF STANDARD & POOR'S RATINGS GROUP, A DIVISION OF MCGRAW-
                           HILL, INC.

     The  consent of Standard & Poor's Ratings Group, A  Division
of  McGraw-Hill,  Inc. to the use of its name in  the  Prospectus
included in this Registration Statement will be filed as  Exhibit
4.2 to the Registration Statement.


                  CONSENT OF ERNST & YOUNG LLP

     The  consent of Ernst & Young LLP to the use of its name and
to  the reference to such firm in the Prospectus included in this
Registration Statement will be filed by Amendment.



                               S-3
                          EXHIBIT INDEX

1.1   Form  of  Standard Terms and Conditions of  Trust  for  The
      First   Trust   GNMA,  Series  62  and  subsequent   Series
      effective December 19, 1991 among Nike Securities L.P.,  as
      Depositor,  The Chase Manhattan Bank as Trustee, Securities
      Evaluation Service, Inc., as Evaluator, and Nike  Financial
      Advisory    Services    L.P.   as   Portfolio    Supervisor
      (incorporated by reference to Amendment No. 1 to  Form  S-6
      [File  No.  33-44532] filed on behalf of  The  First  Trust
      GNMA, Series 62).

1.1.1*Form  of  Trust Agreement for Series 77 & Series  78  among
      Nike  Securities  L.P., as Depositor, The  Chase  Manhattan
      Bank   (National   Association),  as  Trustee,   Securities
      Evaluation  Service, Inc., as Evaluator,  and  First  Trust
      Advisors L.P., as Portfolio Supervisor.

1.2   Copy   of  Certificate  of  Limited  Partnership  of   Nike
      Securities  L.P.  (incorporated by reference  to  Amendment
      No.  1  to Form S-6 [File No. 33-42683] filed on behalf  of
      The First Trust Special Situations Trust, Series 18).

1.3   Copy  of Amended and Restated Limited Partnership Agreement
      of  Nike  Securities  L.P. (incorporated  by  reference  to
      Amendment  No. 1 to Form S-6 [File No. 33-42683]  filed  on
      behalf  of The First Trust Special Situations Trust, Series
      18).

1.4   Copy  of  Articles  of  Incorporation  of  Nike  Securities
      Corporation,  the general partner of Nike Securities  L.P.,
      Depositor (incorporated by reference to Amendment No. 1  to
      Form  S-6 [File No. 33-42683] filed on behalf of The  First
      Trust Special Situations Trust, Series 18).

1.5   Copy  of  By-Laws  of  Nike  Securities  Corporation,   the
      general   partner   of  Nike  Securities  L.P.,   Depositor
      (incorporated by reference to Amendment No. 1 to  Form  S-6
      [File  No.  33-42683] filed on behalf of  The  First  Trust
      Special Situations Trust, Series 18).

1.6   Underwriter   Agreement  (incorporated  by   reference   to
      Amendment  No. 1 to Form S-6 [File No. 33-43289]  filed  on
      behalf of The First Trust Combined Series 145).

2.1  Copy  of  Certificate of Ownership (included in Exhibit  1.1
      filed herewith on page 2 and incorporated herein by reference).

                               S-4
2.2   Copy  of  Code  of  Ethics (incorporated  by  reference  to
      Amendment No. 1 to form S-6 [File No. 333-31176]  filed  on
      behalf of FT 415).

3.1*  Opinion  of  counsel  as to legality  of  securities  being
      registered.

3.3*  Opinion  of  counsel as to New York income  tax  status  of
      securities being registered.

3.4*  Opinion of counsel as to advancement of funds by Trustee.

4.1*  Consent of Securities Evaluation Service, Inc.

6.1   List  of  Directors  and Officers of  Depositor  and  other
      related   information   (incorporated   by   reference   to
      Amendment  No. 1 to Form S-6 [File No. 33-42683]  filed  on
      behalf  of The First Trust Special Situations Trust, Series
      18).

7.1   Power  of Attorney executed by the Director listed on  page
      S-3   of  this  Registration  Statement  (incorporated   by
      reference  to  Amendment No. 1 to Form S-6  [File  No.  33-
      42683]   filed  on  behalf  of  The  First  Trust   Special
      Situations Trust, Series 18).


________________________
*    To be filed by amendment.

                               S-5



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