INSURED MUNICIPALS INCOME TRUST SERIES 27
485BPOS, 1994-04-25
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                   Securities and Exchange Commission
                      Washington, D. C. 20549-1004


                             Post-Effective
                            Amendment No. 16


                                   to
                                Form S-6



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



               Insured Municipals Income Trust, Series 27
                          (Exact Name of Trust)


                         Van Kampen Merritt Inc.
                        (Exact Name of Depositor)

                           One Parkview Plaza
                    Oakbrook Terrace, Illinois 60181
      (Complete address of Depositor's principal executive offices)


          Van Kampen Merritt Inc.            Chapman and Cutler
          Attention:  John C. Merritt        Attention: Mark J. Kneedy
          One Parkview Plaza                 111 West Monroe Street
          Oakbrook Terrace, Illinois 60181   Chicago, Illinois 60603
            (Name and complete address of agents for service)


    ( X ) Check if it is proposed that this filing will become effective
          on April 25, 1994 pursuant to paragraph (b) of Rule 485.

                                                        SERIES 27-15,385 UNITS
                                                        SERIES 28-19,486 UNITS
                               INSURED MUNICIPALS       SERIES 29-27,016 UNITS
                                  INCOME TRUST          SERIES 30-24,879 UNITS

                              PROSPECTUS PART ONE
NOTE: Part One of this Prospectus may not be distributed unless accompanied by
                                  Part Two.
       Please retain both parts of this Prospectus for future reference.

     In the opinion of counsel, interest income to each Trust and to
Unitholders, with certain exceptions, is exempt under existing law from all
Federal income taxes, but may be subject to state and local taxes. Capital
gains, if any, are subject to Federal tax.

                                  THE TRUSTS
     Each of the captioned series of Insured Municipals Income Trust (the
"Trust") consists of an insured portfolio of interest-bearing obligations (the
"Bonds" or "Securities") issued by or on behalf of municipalities and other
governmental authorities or by certain United States territories or
possessions and their public authorities, the interest on which is, in the
opinion of recognized bond counsel to the issuing governmental authority,
exempt from all Federal income taxes under existing law. Each Unit represents
a fractional undivided interest in the principal and net income of the Trust
(see "Summary of Essential Information" in this Part One and "The Trust" in
Part Two).

     The Units being offered by this Prospectus are issued and outstanding
Units which have been purchased by the Sponsor in the secondary market or from
the Trustee after having been tendered for redemption. The profit or loss
resulting from the sale of Units will accrue to the Sponsor. No proceeds from
the sale of Units will be received by the Trusts.

                             PUBLIC OFFERING PRICE
     The Public Offering Price of the Units of each Trust is equal to the
aggregate bid price of the Bonds in the portfolio of such Trust divided by the
number of Units of such Trust outstanding, plus a sales charge. The sales
charge is based upon the years to average maturity of the Bonds in the
portfolio. The sales charge ranges from 1.5% of the Public Offering Price
(1.523% of the aggregate bid price of the Bonds) for a Trust with a portfolio
with less than two years to average maturity to 5.7% of the Public Offering
Price (6.045% of the aggregate bid price of the Bonds) for a Trust with a
portfolio with sixteen or more years to average maturity. See "Summary of
Essential Information" in this Part One.

                    ESTIMATED CURRENT AND LONG-TERM RETURNS
     Estimated Current and Long-Term Returns to Unitholders are indicated
under "Summary of Essential information" in this Part One. The methods of
calculating Estimated Current Returns and Estimated Long-Term Return are set
forth in Part Two of this Prospectus.

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

                 The Date of this Prospectus is April 20, 1994

                              Van Kampen Merritt


                                                                        Page 1
<PAGE>

<TABLE>
                  INSURED MUNICIPALS INCOME TRUST, SERIES 27
                  Summary of Essential Financial Information
                              As of March 3, 1994
                            Sponsor:   Van Kampen Merritt Inc.
                            Evaluator: American Portfolio Evaluation Services
                                       (A division of a subsidiary of the
                                        Sponsor)
                            Trustee:   The Bank of New York
<CAPTION>
                                                                                                                    IM-IT
                                                                                                             -------------------
<S>                                                                                                          <C>
General Information                                                                                          
Principal Amount (Par Value) of Securities ..............................................................    $       8,450,000
Number of Units .........................................................................................               15,385
Fractional Undivided Interest in Trust per Unit .........................................................            1/ 15,385
Public Offering Price:                                                                                       
    Aggregate Bid Price of Securities in Portfolio ......................................................    $    8,860,972.95
    Aggregate Bid Price of Securities per Unit ..........................................................    $          575.95
    Sales charge 6.045% (5.7% of Public Offering Price excluding principal cash) ........................    $           34.78
    Principal Cash per Unit .............................................................................    $            (.61)
    Public Offering Price per Unit <F1>..................................................................    $          610.12
Redemption Price per Unit ...............................................................................    $          575.34
Excess of Public Offering Price per Unit over Redemption Price per Unit .................................    $           34.78
Minimum Value of the Trust under which Trust Agreement may be terminated ................................    $       3,701,000
Annual Premium on Portfolio Insurance ...................................................................    $       11,575.00
Minimum Principal Distribution ...$1.00 per Unit
Date of Deposit ..................January 22, 1979
Mandatory Termination Date .......December 31, 2028
Evaluator's Annual Fee <F4>.......$4,375
      Evaluations for purpose of sale, purchase or redemption of Units are
      made as of 4:00 P.M. Eastern time on days of trading on the New York
      Stock Exchange next following receipt of an order for a sale or purchase
      of Units or receipt by The Bank of New York of Units tendered for
      redemption.
</TABLE>



<TABLE>
Special Information Based on Various Distribution Plans
<CAPTION>
                                                                                          Monthly      Quarterly   Semi- Annual
                                                                                       ------------- ------------- -------------
<S>                                                                                    <C>           <C>           <C>
Calculation of Estimated Net Annual Unit Income:                                                                   
    Estimated Annual Interest Income per Unit ......................................   $     40.57   $     40.57   $     40.57
    Less: Estimated Annual Expense excluding Insurance .............................   $      1.47   $      1.23   $      1.01
    Less: Annual Premium on Portfolio Insurance ....................................   $       .75   $       .75   $       .75
    Estimated Net Annual Interest Income per Unit ..................................   $     38.35   $     38.59   $     38.81
Calculation of Estimated Interest Earnings per Unit:                                                               
    Estimated Net Annual Interest Income ...........................................   $     38.35   $     38.59   $     38.81
    Divided by 12, 4 and 2, respectively ...........................................   $      3.20   $      9.65   $     19.41
Estimated Daily Rate of Net Interest Accrual per Unit ..............................   $    .10651   $    .10718   $    .10780
Estimated Current Return Based on Public Offering Price <F2><F3>....................         6.28%         6.32%         6.35%
Estimated Long-Term Return <F2><F3>.................................................         5.18%         5.22%         5.26%
Record and Computation Dates .FIRST day of the month as follows: monthly -
                              each month; quarterly - March, June, September,
                              and December; semi-annual - June and December.
Distribution Dates ...........FIFTEENTH day of the month as follows: monthly -
                              each month; quarterly - March, June, September,
                              and December; semi-annual - June and December.
Trustee's Annual Fee .........$1.24, $0.98 and $0.69 per $1,000 principal
                              amount of Bonds respectively, for those portions
                              of the Trusts under the monthly, quarterly and
                              semi-annual distribution plans.
<FN>
   <F1>Plus accrued interest to the date of settlement (five business days
after purchase) of $6.86, $6.84 and $16.64 respectively, for those portions of
the Trust under the monthly, quarterly, and semi-annual distribution plans.
   <F2>The Estimated Current Return and Estimated Long-Term Return are
increased for transactions entitled to a reduced sales charge.
   <F3>The Estimated Current Return on an identical portfolio without the
insurance obtained by the Trust would have been 6.48% based on such
semi-annual distribution plan on such date, while the Estimated Long-Term
Return on an identical portfolio without the insurance obtained by the Trust
would have been 5.38%.
   <F4>Notwithstanding information to the Contrary in Part Two of this
Prospectus, the Trust Indenture provides that as compensation for its
services, the Evaluator shall receive a fee of $1,820 annually. This fee may
be adjusted for increases in consumer prices for services under the category
"All Services Less Rent of Shelter" in the Consumer Price Index.
</TABLE>


                                                                        Page 2
<PAGE>

<TABLE>
                  INSURED MUNICIPALS INCOME TRUST, SERIES 28
                  Summary of Essential Financial Information
                              As of March 3, 1994
                            Sponsor:   Van Kampen Merritt Inc.
                            Evaluator: American Portfolio Evaluation Services
                                       (A division of a subsidiary of the
                                       Sponsor)
                            Trustee:   The Bank of New York
<CAPTION>
                                                                                                                    IM-IT
                                                                                                             -------------------
<S>                                                                                                          <C>
General Information                                                                                          
Principal Amount (Par Value) of Securities ..............................................................    $      11,414,426
Number of Units .........................................................................................               19,486
Fractional Undivided Interest in Trust per Unit .........................................................            1/ 19,486
Public Offering Price:                                                                                       
    Aggregate Bid Price of Securities in Portfolio ......................................................    $   11,826,016.81
    Aggregate Bid Price of Securities per Unit ..........................................................    $          606.90
    Sales charge 6.045% (5.7% of Public Offering Price excluding principal cash) ........................    $           36.61
    Principal Cash per Unit .............................................................................    $           (1.16)
    Public Offering Price per Unit <F1>..................................................................    $          642.35
Redemption Price per Unit ...............................................................................    $          605.74
Excess of Public Offering Price per Unit over Redemption Price per Unit .................................    $           36.61
Minimum Value of the Trust under which Trust Agreement may be terminated ................................    $       3,889,400
Annual Premium on Portfolio Insurance ...................................................................    $       20,753.25
Minimum Principal Distribution ...$1.00 per Unit
Date of Deposit ..................February 26, 1979
Mandatory Termination Date .......December 31, 2028
Evaluator's Annual Fee <F4>.......$4,270
      Evaluations for purpose of sale, purchase or redemption of Units are
      made as of 4:00 P.M. Eastern time on days of trading on the New York
      Stock Exchange next following receipt of an order for a sale or purchase
      of Units or receipt by The Bank of New York of Units tendered for
      redemption.
</TABLE>


<TABLE>
Special Information Based on Various Distribution Plans
<CAPTION>
                                                                                          Monthly      Quarterly    Semi-Annual
                                                                                       ------------- ------------- -------------
<S>                                                                                    <C>           <C>           <C>
Calculation of Estimated Net Annual Unit Income:                                                                   
    Estimated Annual Interest Income per Unit ......................................   $     42.56   $     42.56   $     42.56
    Less: Estimated Annual Expense excluding Insurance .............................   $      1.38   $      1.10   $       .89
    Less: Annual Premium on Portfolio Insurance ....................................   $      1.07   $      1.07   $      1.07
    Estimated Net Annual Interest Income per Unit ..................................   $     40.11   $     40.39   $     40.60
Calculation of Estimated Interest Earnings per Unit:                                                               
    Estimated Net Annual Interest Income ...........................................   $     40.11   $     40.39   $     40.60
    Divided by 12, 4 and 2, respectively ...........................................   $      3.34   $     10.10   $     20.30
Estimated Daily Rate of Net Interest Accrual per Unit ..............................   $    .11141   $    .11220   $    .11277
Estimated Current Return Based on Public Offering Price <F2><F3>....................         6.23%         6.28%         6.31%
Estimated Long-Term Return <F2><F3>.................................................         4.94%         4.99%         5.02%
Record and Computation Dates .FIRST day of the month as follows: monthly -
                              each month; quarterly - March, June, September,
                              and December; semi-annual - June and December.
Distribution Dates ...........FIFTEENTH day of the month as follows: monthly -
                              each month; quarterly - March, June, September,
                              and December; semi-annual - June and December.
Trustee's Annual Fee .........$1.24, $0.98 and $0.69 per $1,000 principal
                              amount of Bonds respectively, for those portions
                              of the Trusts under the monthly, quarterly and
                              semi-annual distribution plans.
<FN>
   <F1>Plus accrued interest to the date of settlement (five business days
after purchase) of $7.32, $7.26 and $17.93 respectively, for those portions of
the Trust under the monthly, quarterly, and semi-annual distribution plans.
   <F2>The Estimated Current Return and Estimated Long-Term Return are
increased for transactions entitled to a reduced sales charge.
   <F3>The Estimated Current Return on an identical portfolio without the
insurance obtained by the Trust would have been 6.48% based on such
semi-annual distribution plan on such date, while the Estimated Long-Term
Return on an identical portfolio without the insurance obtained by the Trust
would have been 5.19%.
   <F4>Notwithstanding information to the Contrary in Part Two of this
Prospectus, the Trust Indenture provides that as compensation for its
services, the Evaluator shall receive a fee of $1,820 annually. This fee may
be adjusted for increases in consumer prices for services under the category
"All Services Less Rent of Shelter" in the Consumer Price Index.
</TABLE>


                                                                        Page 3
<PAGE>

<TABLE>
                  INSURED MUNICIPALS INCOME TRUST, SERIES 29
                              As of March 3, 1994
                            Sponsor:   Van Kampen Merritt Inc.
                            Evaluator: American Portfolio Evaluation Services
                                       (A division of a subsidiary of the
                                       Sponsor)
                            Trustee:   The Bank of New York
<CAPTION>
                                                                                                                   IM-IT
                                                                                                             -------------------
<S>                                                                                                          <C>
General Information                                                                                          
Principal Amount (Par Value) of Securities ..............................................................    $      13,693,400
Number of Units .........................................................................................               27,016
Fractional Undivided Interest in Trust per Unit .........................................................            1/ 27,016
Public Offering Price:                                                                                       
    Aggregate Bid Price of Securities in Portfolio ......................................................    $   15,298,253.70
    Aggregate Bid Price of Securities per Unit ..........................................................    $          566.27
    Sales charge 6.045% (5.7% of Public Offering Price excluding principal cash) ........................    $           34.23
    Principal Cash per Unit .............................................................................    $           33.13
    Public Offering Price per Unit <F1>..................................................................    $          633.63
Redemption Price per Unit ...............................................................................    $          599.40
Excess of Public Offering Price per Unit over Redemption Price per Unit .................................    $           34.23
Minimum Value of the Trust under which Trust Agreement may be terminated ................................    $       5,438,000
Annual Premium on Portfolio Insurance ...................................................................    $       20,474.25
Minimum Principal Distribution ...$1.00 per Unit
Date of Deposit ..................April 16, 1979
Mandatory Termination Date .......December 31, 2028
Evaluator's Annual Fee <F4>.......$1,820
      Evaluations for purpose of sale, purchase or redemption of Units are
      made as of 4:00 P.M. Eastern time on days of trading on the New York
      Stock Exchange next following receipt of an order for a sale or purchase
      of Units or receipt by The Bank of New York of Units tendered for
      redemption.
</TABLE>


<TABLE>
Special Information Based on Various Distribution Plans
<CAPTION>
                                                                                          Monthly      Quarterly    Semi- Annual
                                                                                       ------------- ------------- -------------
<S>                                                                                    <C>           <C>           <C>
Calculation of Estimated Net Annual Unit Income:                                                                   
    Estimated Annual Interest Income per Unit ......................................   $     38.03   $     38.03   $     38.03
    Less: Estimated Annual Expense excluding Insurance .............................   $      1.07   $       .81   $       .62
    Less: Annual Premium on Portfolio Insurance ....................................   $       .76   $       .76   $       .76
    Estimated Net Annual Interest Income per Unit ..................................   $     36.20   $     36.46   $     36.65
Calculation of Estimated Interest Earnings per Unit:                                                               
    Estimated Net Annual Interest Income ...........................................   $     36.20   $     36.46   $     36.65
    Divided by 12, 4 and 2, respectively ...........................................   $      3.02   $      9.12   $     18.33
Estimated Daily Rate of Net Interest Accrual per Unit ..............................   $    .10056   $    .10127   $    .10180
Estimated Current Return Based on Public Offering Price <F2><F3>....................         6.03%         6.07%         6.10%
Estimated Long-Term Return <F2><F3>.................................................         5.04%         5.09%         5.12%
Record and Computation Dates .FIRST day of the month as follows: monthly -
                              each month; quarterly - March, June, September,
                              and December; semi-annual - June and December.
Distribution Dates ...........FIFTEENTH day of the month as follows: monthly -
                              each month; quarterly - March, June, September,
                              and December; semi-annual - June and December.
Trustee's Annual Fee .........$1.24, $0.98 and $0.69 per $1,000 principal
                              amount of Bonds respectively, for those portions
                              of the Trusts under the monthly, quarterly and
                              semi-annual distribution plans.
<FN>
   <F1>Plus accrued interest to the date of settlement (five business days
after purchase) of $6.86, $6.86 and $16.70 respectively, for those portions of
the Trust under the monthly, quarterly, and semi-annual distribution plans.
   <F2>The Estimated Current Return and Estimated Long-Term Return are
increased for transactions entitled to a reduced sales charge.
   <F3>The Estimated Current Return on an identical portfolio without the
insurance obtained by the Trust would have been 6.23% based on such
semi-annual distribution plan on such date, while the Estimated Long-Term
Return on an identical portfolio without the insurance obtained by the Trust
would have been 5.25%.
   <F4>Notwithstanding information to the Contrary in Part Two of this
Prospectus, the Trust Indenture provides that as compensation for its
services, the Evaluator shall receive a fee of $35 per weekly evaluation.
</TABLE>


                                                                        Page 4
<PAGE>

<TABLE>
                  INSURED MUNICIPALS INCOME TRUST, SERIES 30
                  Summary of Essential Financial Information
                              As of March 3, 1994
                            Sponsor:   Van Kampen Merritt Inc.
                            Evaluator: American Portfolio Evaluation Services
                                       (A division of a subsidiary of the
                                       Sponsor)
                            Trustee:   The Bank of New York
<CAPTION>
                                                                                                                    IM-IT
                                                                                                             -------------------
<S>                                                                                                          <C>
General Information                                                                                          
Principal Amount (Par Value) of Securities ..............................................................    $       8,389,031
Number of Units .........................................................................................               24,879
Fractional Undivided Interest in Trust per Unit .........................................................            1/ 24,879
Public Offering Price:                                                                                       
    Aggregate Bid Price of Securities in Portfolio ......................................................    $    9,192,452.63
    Aggregate Bid Price of Securities per Unit ..........................................................    $          369.47
    Sales charge 6.045% (5.7% of Public Offering Price excluding principal cash) ........................    $           22.32
    Principal Cash per Unit .............................................................................    $            (.19)
    Public Offering Price per Unit <F1>..................................................................    $          391.60
Redemption Price per Unit ...............................................................................    $          369.28
Excess of Public Offering Price per Unit over Redemption Price per Unit .................................    $           22.32
Minimum Value of the Trust under which Trust Agreement may be terminated ................................    $       4,987,000
Annual Premium on Portfolio Insurance ...................................................................    $       12,737.63
Minimum Principal Distribution ...$1.00 per Unit
Date of Deposit ..................May 7, 1979
Mandatory Termination Date .......December 31, 2028
Evaluator's Annual Fee <F4>.......$1,820
      Evaluations for purpose of sale, purchase or redemption of Units are
      made as of 4:00 P.M. Eastern time on days of trading on the New York
      Stock Exchange next following receipt of an order for a sale or purchase
      of Units or receipt by The Bank of New York of Units tendered for
      redemption.
</TABLE>


<TABLE>
Special Information Based on Various Distribution Plans
<CAPTION>
                                                                                          Monthly      Quarterly    Semi-Annual
                                                                                       ------------- ------------- -------------
<S>                                                                                    <C>           <C>           <C>
Calculation of Estimated Net Annual Unit Income:                                                                   
    Estimated Annual Interest Income per Unit ......................................   $     24.63   $     24.63   $     24.63
    Less: Estimated Annual Expense excluding Insurance .............................   $      1.08   $       .82   $       .64
    Less: Annual Premium on Portfolio Insurance ....................................   $       .51   $       .51   $       .51
    Estimated Net Annual Interest Income per Unit ..................................   $     23.04   $     23.30   $     23.48
Calculation of Estimated Interest Earnings per Unit:                                                               
    Estimated Net Annual Interest Income ...........................................   $     23.04   $     23.30   $     23.48
    Divided by 12, 4 and 2, respectively ...........................................   $      1.92   $      5.83   $     11.74
Estimated Daily Rate of Net Interest Accrual per Unit ..............................   $    .06400   $    .06471   $    .06521
Estimated Current Return Based on Public Offering Price <F2><F3>....................         5.88%         5.95%         5.99%
Estimated Long-Term Return <F2><F3>.................................................         5.03%         5.10%         5.14%
Record and Computation Dates .FIRST day of the month as follows: monthly -
                              each month; quarterly - March, June, September,
                              and December; semi-annual - June and December.
Distribution Dates ...........FIFTEENTH day of the month as follows: monthly -
                              each month; quarterly - March, June, September,
                              and December; semi-annual - June and December.
Trustee's Annual Fee .........$1.24, $0.98 and $0.69 per $1,000 principal
                              amount of Bonds respectively, for those portions
                              of the Trusts under the monthly, quarterly and
                              semi-annual distribution plans.
<FN>
   <F1>Plus accrued interest to the date of settlement (five business days
after purchase) of $2.99, $3.00 and $9.80 respectively, for those portions of
the Trust under the monthly, quarterly, and semi-annual distribution plans.
   <F2>The Estimated Current Return and Estimated Long-Term Return are
increased for transactions entitled to a reduced sales charge.
   <F3>The Estimated Current Return on an identical portfolio without the
insurance obtained by the Trust would have been 6.12% based on such
semi-annual distribution plan on such date, while the Estimated Long-Term
Return on an identical portfolio without the insurance obtained by the Trust
would have been 5.27%.
   <F4>Notwithstanding information to the Contrary in Part Two of this
Prospectus, the Trust Indenture provides that as compensation for its
services, the Evaluator shall receive a fee of $35 per weekly evaluation.
</TABLE>


                                                                        Page 5
<PAGE>

                                   PORTFOLIO

     In selecting Bonds for the Insured Municipals Income Trust, Series 27,
the following facts, among others, were considered: (i) either the Standard &
Poor's Corporation rating of the Bonds was in no case less than "BBB-" or the
Moody's Investors Service, Inc. rating of the Bonds was in no case less than
"Baa", including provisional or conditional ratings, respectively (see
"Description of Securities Ratings" in Part Two), (ii) the prices of the Bonds
relative to other Bonds of comparable quality and maturity, (iii) the
availability and cost of insurance for the prompt payment of principal and
interest on the Bonds and (iv) the diversification of Bonds as to purpose of
issue and location of issuer. As of December 31, 1993, the Trust consists of
11 issues which are payable from the income of a specific project or
authority. The portfolio is divided by purpose of issue as follows: Escrowed,
5 (44%); Health Care System, 1 (8%); Multi-Family, 1 (4%); Single Family, 3
(38%) and Transportation, 1 (6%). The portfolio consists of 11 Bond issues in
10 states. See "Bond Portfolio" herein and "Description of Securities Ratings"
in Part Two.


<TABLE>
                             PER UNIT INFORMATION
<CAPTION>
                           1984      1985       1986      1987      1988
                        ---------- --------- ---------- --------- ---------
<S>                     <C>        <C>       <C>        <C>       <C>
Net asset value per
  Unit at beginning of
  period ...........    $ 716.61   $ 704.47  $ 809.45   $ 957.97  $ 858.89
                        ========== ========= ========== ========= =========
Net asset value per
  Unit at end of
  period ...........    $ 704.47   $ 809.45  $ 957.97   $ 858.89  $ 907.50
                        ========== ========= ========== ========= =========
Distributions to
  Unitholders of
  investment income
  including accrued
  interest to carry
  paid on Units
  redeemed (average
  Units outstanding
  for entire period)
  (a) ..............    $  67.45   $  67.42  $  67.86   $  67.28  $  66.98
                        ========== ========= ========== ========= =========
Distributions to
  Unitholders from
  Bond redemption
  proceeds (average
  Units outstanding for
  entire period) ...    $   3.58   $   2.94  $   3.57   $   5.84  $   5.51
                        ========== ========= ========== ========= =========
Unrealized
  appreciation
  (depreciation) of
  Bonds (per Unit
  outstanding at end
  of period) .......    $ (8.20)   $ 109.14  $ 157.60   $(94.28)  $  57.20
                        ========== ========= ========== ========= =========
Distributions of
  investment income by
  frequency of
  payment (a)
     Monthly .......    $  67.55   $  66.89  $  66.66   $  66.36  $  66.17
     Quarterly .....    $  64.34   $  67.21  $  67.16   $  66.74  $  66.30
     Semiannual ....    $  67.55   $  67.50  $  67.42   $  67.03  $  66.57
Units outstanding at
  end of period ....      19,015     18,840    18,078     17,425    16,769
</TABLE>

(a) Unitholders may elect to receive distributions on a monthly, quarterly or
semi-annual basis.

<TABLE>
                             PER UNIT INFORMATION
<CAPTION>
                           1989      1990       1991      1992       1993
                        ---------- --------- ---------- --------- ----------
<S>                     <C>        <C>       <C>        <C>       <C>
Net asset value per
  Unit at beginning of
  period ...........    $ 907.50   $ 933.20  $ 898.08   $ 903.66  $ 778.09
                        ========== ========= ========== ========= ==========
Net asset value per
  Unit at end of
  period ...........    $ 933.20   $ 898.08  $ 903.66   $ 778.09  $ 610.42
                        ========== ========= ========== ========= ==========
Distributions to
  Unitholders of
  investment income
  including accrued
  interest to carry
  paid on Units
  redeemed (average
  Units outstanding
  for entire period)
  (a) ..............    $  66.68   $  65.33  $  62.93   $  55.06  $  47.98
                        ========== ========= ========== ========= ==========
Distributions to
  Unitholders from
  Bond redemption
  proceeds (average
  Units outstanding for
  entire period) ...    $   6.45   $ (8.82)  $  14.65   $ 130.76  $ 183.01
                        ========== ========= ========== ========= ==========
Unrealized
  appreciation
  (depreciation) of
  Bonds (per Unit
  outstanding at end
  of period) .......    $  35.66   $  64.64  $  23.63   $   7.33  $  22.01
                         ========== ========= ========== ========= ==========
Distributions of
  investment income by
  frequency of
  payment (a)
     Monthly .......    $  65.65   $  64.64  $  62.48   $  54.72  $  47.60
     Quarterly .....    $  65.82   $  64.82  $  62.85   $  55.05  $  47.82
     Semiannual ....    $  66.14   $  65.12  $  63.08   $  55.29  $  48.08
Units outstanding at
  end of period ....      16,094     15,677    15,572     15,555    15,401
</TABLE>

(a) Unitholders may elect to receive distributions on a monthly, quarterly or
semi-annual basis.

                                                                        Page 6
<PAGE>

                                   PORTFOLIO

     In selecting Bonds for the Insured Municipals Income Trust, Series 28,
the following facts, among others, were considered: (i) either the Standard &
Poor's Corporation rating of the Bonds was in no case less than "BBB-" or the
Moody's Investors Service, Inc. rating of the Bonds was in no case less than
"Baa", including provisional or conditional ratings, respectively or, if not
rated, the Bonds had, in the opinion of the Sponsor, credit characteristics
sufficiently similar to the credit characteristics of interest-bearing
tax-exempt obligations that were so rated as to be acceptable for acquisition
by the Fund (see "Description of Securities Ratings" in Part Two), (ii) the
prices of the Bonds relative to other Bonds of comparable quality and
maturity, (iii) the availability and cost of insurance for the prompt payment
of principal and interest on the Bonds and (iv) the diversification of Bonds
as to purpose of issue and location of issuer. Since the date of deposit the
rating of certain Bonds in the portfolio may have been lowered by the
appropriate rating agency. Debt rated BBB is regarded as having an adequate
capacity to pay interest and repay principal. Whereas it normally exhibits
adequate protection parameters, adverse economic conditions or changing
circumstances are more likely to lead to a weakened capacity to pay interest
and repay principal for debt in this category than in higher rated categories.
As of December 31, 1993, the Trust consists of 7 issues which are payable from
the income of a specific project or authority. The portfolio is divided by
purpose of issue as follows: Airport, 1 (14%); Escrowed, 2 (30%); Health Care
System, 1 (22%); Industrial Revenue, 1 (6%) and Single Family, 2 (20%).
Approximately 8% of the Trust consists of Existing Fund Units. The portfolio
consists of 7 Bond issues in 6 states. See "Bond Portfolio" herein and
"Description of Securities Ratings" in Part Two.


<TABLE>
                             PER UNIT INFORMATION
<CAPTION>
                           1984      1985       1986      1987      1988
                        ---------- --------- ---------- --------- ---------
<S>                     <C>        <C>       <C>        <C>       <C>
Net asset value per
  Unit at beginning of
  period ...........    $ 662.79   $ 653.88  $ 747.58   $ 882.36  $ 795.86
                        ========== ========= ========== ========= =========
Net asset value per
  Unit at end of
  period ...........    $ 653.88   $ 747.58  $ 882.36   $ 795.86  $ 837.48
                        ========== ========= ========== ========= =========
Distributions to
  Unitholders of
  investment income
  including accrued
  interest to carry
  paid on Units
  redeemed (average
  Units outstanding for
  entire period) (a)    $  66.12   $  66.01  $  65.92   $  65.44  $  64.52
                        ========== ========= ========== ========= =========
Distributions to
  Unitholders from
  Bond redemption
  proceeds (average
  Units outstanding
  for entire period)    $   2.36   $   4.48  $   1.69   $  14.51  $  12.61
                        ========== ========= ========== ========= =========
Unrealized
  appreciation
  (depreciation) of
  Bonds (per Unit
  outstanding at end
  of period) .......    $ (6.71)   $  98.26  $ 137.64   $(71.74)  $  54.72
                        ========== ========= ========== ========= =========
Distributions of
  investment income by
  frequency of
  payment (a)
     Monthly .......    $  65.75   $  65.68  $  65.42   $  65.08  $  64.31
     Quarterly .....    $  66.02   $  66.00  $  65.71   $  65.37  $  64.59
     Semiannual ....    $  66.35   $  66.21  $  65.97   $  65.61  $  64.64
Units outstanding at
  end of period ....      20,121     20,121    19,898     19,832    19,830
</TABLE>

(a) Unitholders may elect to receive distributions on a monthly, quarterly or
semi-annual basis.

<TABLE>
                             PER UNIT INFORMATION
<CAPTION>
                           1989      1990       1991      1992       1993
                        ---------- --------- ---------- --------- ----------
<S>                     <C>        <C>       <C>        <C>       <C>
Net asset value per
  Unit at beginning of
  period ...........    $ 837.48   $ 874.16  $ 851.77   $ 882.47  $ 869.38
                        ========== ========= ========== ========= ==========
Net asset value per
  Unit at end of
  period ...........    $ 874.16   $ 851.77  $ 882.47   $ 869.38  $ 659.54
                        ========== ========= ========== ========= ==========
Distributions to
  Unitholders of
  investment income
  including accrued
  interest to carry
  paid on Units
  redeemed (average
  Units outstanding for
  entire period) (a)    $  63.79   $  63.23  $  62.44   $  61.10  $  55.66
                        ========== ========= ========== ========= ==========
Distributions to
  Unitholders from
  Bond redemption
  proceeds (average
  Units outstanding
  for entire period)    $   6.85   $   8.82  $  16.44   $  19.98  $ 239.95
                        ========== ========= ========== ========= ==========
Unrealized
  appreciation
  (depreciation) of
  Bonds (per Unit
  outstanding at end
  of period) .......    $  44.00   $(13.26)  $  48.03   $   7.60  $  34.47
                        ========== ========= ========== ========= ==========
Distributions of
  investment income by
  frequency of
  payment (a)
     Monthly .......    $  65.75   $  65.68  $  65.42   $  65.08  $  64.31
     Quarterly .....    $  66.02   $  66.00  $  65.71   $  65.37  $  64.59 
     Semiannual ....    $  66.35   $  66.21  $  65.97   $  65.61  $  64.64
Units outstanding at
  end of period ....      20,121     20,121    19,898     19,832    19,830
</TABLE>

(a) Unitholders may elect to receive distributions on a monthly, quarterly or
semi-annual basis.

                                                                        Page 7
<PAGE>

                                   PORTFOLIO

     In selecting Bonds for the Insured Municipals Income Trust, Series 29,
the following facts, among others, were considered: (i) either the Standard &
Poor's Corporation rating of the Bonds was in no case less than "BBB-" or the
Moody's Investors Service, Inc. rating of the Bonds was in no case less than
"Baa", including provisional or conditional ratings, respectively or, if not
rated, the Bonds had, in the opinion of the Sponsor, credit characteristics
sufficiently similar to the credit characteristics of interest-bearing
tax-exempt obligations that were so rated as to be acceptable for acquisition
by the Fund  (see "Description of Securities Ratings" in Part Two), (ii) the
prices of the Bonds relative to other Bonds of comparable quality and
maturity, (iii) the availability and cost of insurance for the prompt payment
of principal and interest on the Bonds and (iv) the diversification of Bonds
as to purpose of issue and location of issuer. Since the date of deposit the
rating of certain Bonds in the portfolio may have been lowered by the
appropriate rating agency. Debt rated BBB is regarded as having an adequate
capacity to pay interest and repay principal. Whereas it normally exhibits
adequate protection parameters, adverse economic conditions or changing
circumstances are more likely to lead to a weakened capacity to pay interest
and repay principal for debt in this category than in higher rated categories.
Debt rated BB, B, CCC and CC is regarded, on balance, as predominantly
speculative with respect to capacity to pay interest and repay principal in
accordance with the terms of the obligation. BB indicates the lowest degree of
speculation and CC the highest degree of speculation. While such debt will
likely have some quality and protective characteristics, these are outweighed
by large uncertainties or major risk exposures to adverse conditions. As of
December 31, 1993, the Trust consists of 10 issues which are payable from the
income of a specific project or authority. The portfolio is divided by purpose
of issue as follows: Airport, 1 (2%); Escrowed, 6 (62%); Health Care System, 1
(3%); Single Family, 1 (5%) and Miscellaneous, 1 (19%). Approximately 9% of
the Trust consists of Existing Fund Units. The portfolio consists of 10 Bond
issues in 10 states. See "Bond Portfolio" herein and "Description of
Securities Ratings" in Part Two.


<TABLE>
                             PER UNIT INFORMATION
<CAPTION>
                           1984      1985       1986      1987      1988
                        ---------- --------- ---------- --------- ---------
<S>                     <C>        <C>       <C>        <C>       <C>
Net asset value per
  Unit at beginning of
  period ...........    $ 688.86   $ 676.73  $ 781.46   $ 920.01  $ 788.97
                        ========== ========= ========== ========= =========
Net asset value per
  Unit at end of
  period ...........    $ 676.73   $ 781.46  $ 920.01   $ 788.97  $ 822.71
                        ========== ========= ========== ========= =========
Distributions to
  Unitholders of
  investment income
  including accrued
  interest to carry
  paid on Units
  redeemed (average
  Units outstanding
  for entire
  (period) (a) .....    $  67.13   $  67.08  $  67.22   $  66.07  $  63.11
                        ========== ========= ========== ========= =========
Distributions to
  Unitholders from
  Bond redemption
  proceeds (average
  Units outstanding
  for entire period)    $   1.58   $  --     $   9.17   $  40.94  $  12.71
                        ========== ========= ========== ========= =========
Unrealized
  appreciation
  (depreciation) of
  Bonds (per Unit
  outstanding at end
  of period) .......    $(10.33)   $ 104.83  $ 149.15   $(88.05)  $  47.19
                        ========== ========= ========== ========= =========
Distributions of
  investment income by
  frequency of
  payment (a)                                                                                                         
     Monthly .......    $  66.66   $  66.60  $  66.67   $  65.77  $  62.91
     Quarterly .....    $  67.12   $  67.00  $  67.01   $  66.05  $  63.14
     Semiannual ....    $  67.38   $  67.26  $  67.31   $  66.25  $  63.25
Units outstanding at
  end of period ....      28,195     28,106    27,844     27,795    27,777
</TABLE>

(a) Unitholders may elect to receive distributions on a monthly, quarterly or
semi-annual basis.

<TABLE>
                             PER UNIT INFORMATION
<CAPTION>
                           1989      1990       1991      1992       1993
                        ---------- --------- ---------- --------- ----------
<S>                     <C>        <C>       <C>        <C>       <C>
Net asset value per
  Unit at beginning of
  period ...........    $ 822.71   $ 855.65  $ 831.98   $ 855.06  $ 758.32
                        ========== ========= ========== ========= ==========
Net asset value per
  Unit at end of
  period ...........    $ 855.65   $ 831.98  $ 855.06   $ 758.32  $ 625.79
                        ========== ========= ========== ========= ==========
Distributions to
  Unitholders of
  investment income
  including accrued
  interest to carry
  paid on Units
  redeemed (average
  Units outstanding
  for entire
  (period) (a) .....    $  62.32   $  61.35  $  60.21   $  54.81  $  46.79
                        ========== ========= ========== ========= ==========
Distributions to
  Unitholders from
  Bond redemption
  proceeds (average
  Units outstanding
  for entire period)    $  11.27   $  12.60  $  13.29   $ 106.96  $ 178.05
                        ========== ========= ========== ========= ==========
Unrealized
  appreciation
  (depreciation) of
  Bonds (per Unit
  outstanding at end
  of period) .......    $  45.28   $(10.57)  $  37.47   $  13.33  $  48.52
                        ========== ========= ========== ========= ==========
Distributions of
  investment income by
  frequency of
  payment (a)
     Monthly .......    $  62.02   $  61.04  $  59.91   $  54.52  $  46.41
     Quarterly .....    $  62.20   $  61.28  $  60.20   $  54.82  $  46.66
     Semiannual ....    $  62.45   $  61.52  $  60.46   $  55.04  $  46.93
Units outstanding at
  end of period ....      27,645     27,546    27,542     27,520    27,262
</TABLE>

(a) Unitholders may elect to receive distributions on a monthly, quarterly or
semi-annual basis.

                                                                        Page 8
<PAGE>

                                   PORTFOLIO

     In selecting Bonds for the Insured Municipals Income Trust, Series 30,
the following facts, among others, were considered: (i) either the Standard &
Poor's Corporation rating of the Bonds was in no case less than "BBB-" or the
Moody's Investors Service, Inc. rating of the Bonds was in no case less than
"Baa", including provisional or conditional ratings, respectively (see
"Description of Securities Ratings" in Part Two), (ii) the prices of the Bonds
relative to other Bonds of comparable quality and maturity, (iii) the
availability and cost of insurance for the prompt payment of principal and
interest on the Bonds and (iv) the diversification of Bonds as to purpose of
issue and location of issuer. Since the date of deposit the rating of certain
Bonds in the portfolio may have been lowered by the appropriate rating agency.
Debt rated BBB is regarded as having an adequate capacity to pay interest and
repay principal. Whereas it normally exhibits adequate protection parameters,
adverse economic conditions or changing circumstances are more likely to lead
to a weakened capacity to pay interest and repay principal for debt in this
category than in higher rated categories. As of December 31, 1993, the Trust
consists of 8 issues which are payable from the income of a specific project
or authority. The portfolio is divided by purpose of issue as follows:
Escrowed, 3 (49%); Pre-refunded, 2 (30%); Retail Electric, 1 (1%);
Transportation, 1 (5%) and Miscellaneous, 1 (4%). Approximately 11% of the
Trust consists of Existing Fund Units. The portfolio consists of 8 Bond issues
in 6 states. See "Bond Portfolio" herein and "Description of Securities
Ratings" in Part Two.


<TABLE>
                             PER UNIT INFORMATION
<CAPTION>
                           1984      1985       1986      1987      1988       1989      1990       1991      1992       1993
                        ---------- --------- ---------- --------- --------- ---------- --------- ---------- --------- ----------
<S>                     <C>        <C>       <C>        <C>       <C>       <C>        <C>       <C>        <C>       <C>
Net asset value per                                                                                                   
  Unit at beginning of                                                                                                
  period ...........    $ 690.70   $ 674.91  $ 774.24   $ 887.50  $ 782.12  $ 808.24   $ 781.78  $ 766.00   $ 789.04  $ 654.90
                        ========== ========= ========== ========= ========= ========== ========= ========== ========= ==========
Net asset value per                                                                                                   
  Unit at end of                                                                                                      
  period ...........    $ 674.91   $ 774.24  $ 887.50   $ 782.12  $ 808.24  $ 781.78   $ 766.00  $ 789.04   $ 654.90  $ 529.91
                        ========== ========= ========== ========= ========= ========== ========= ========== ========= ==========
Distributions to                                                                                                      
  Unitholders of                                                                                                      
  investment income                                                                                                   
  including accrued                                                                                                   
  interest to carry                                                                                                   
  paid on Units                                                                                                       
  redeemed (average                                                                                                   
  Units outstanding                                                                                                   
  for entire                                                                                                          
  period) (a) ......    $  66.09   $  65.61  $  65.45   $  64.14  $  62.21  $  59.46   $  55.47  $  54.58   $  50.47  $  39.43
                        ========== ========= ========== ========= ========= ========== ========= ========== ========= ==========
Distributions to                                                                                                      
  Unitholders from                                                                                                    
  Bond redemption                                                                                                     
  proceeds (average                                                                                                   
  Units outstanding                                                                                                   
  for entire period)    $   6.30   $   6.00  $  11.31   $  21.95  $  33.28  $  62.41   $   9.89  $   6.34   $ 136.98  $ 155.82
                        ========== ========= ========== ========= ========= ========== ========= ========== ========= ==========
Unrealized                                                                                                            
  appreciation                                                                                                        
  (depreciation) of                                                                                                   
  Bonds (per Unit                                                                                                     
  outstanding at end                                                                                                  
  of period) .......    $ (9.02)   $ 105.59  $ 125.49   $(82.96)  $  60.34  $  36.54   $ (5.82)  $  29.49   $   4.63  $  31.57
                        ========== ========= ========== ========= ========= ========== ========= ========== ========= ==========
Distributions of                                                                                                      
  investment income by                                                                                                
  frequency of                                                                                                        
  payment (a)                                                                                                         
     Monthly .......    $  65.66   $  65.28  $  65.16   $  63.81  $  61.79  $  59.06   $  55.07  $  54.16   $  50.13  $  39.12
     Quarterly .....    $  66.02   $  65.60  $  65.25   $  64.17  $  62.23  $  59.32   $  55.24  $  54.50   $  50.47  $  39.36
     Semiannual ....    $  66.32   $  65.80  $  65.51   $  64.28  $  62.25  $  59.64   $  55.50  $  54.79   $  50.74  $  39.60
Units outstanding at                                                                                                  
  end of period ....      26,189     26,145    25,984     25,885    25,855    25,694     24,418    25,330     25,308    25,158
</TABLE>

(a) Unitholders may elect to receive distributions on a monthly, quarterly or
semi-annual basis.

<TABLE>
                             PER UNIT INFORMATION
<CAPTION>
                           1984      1985       1986      1987      1988
                        ---------- --------- ---------- --------- ---------
<S>                     <C>        <C>       <C>        <C>       <C>
Net asset value per
  Unit at beginning of
  period ...........    $ 690.70   $ 674.91  $ 774.24   $ 887.50  $ 782.12
                        ========== ========= ========== ========= =========
Net asset value per
  Unit at end of
  period ...........    $ 674.91   $ 774.24  $ 887.50   $ 782.12  $ 808.24
                        ========== ========= ========== ========= =========
Distributions to
  Unitholders of
  investment income
  including accrued
  interest to carry
  paid on Units
  redeemed (average
  Units outstanding
  for entire
  period) (a) ......    $  66.09   $  65.61  $  65.45   $  64.14  $  62.21
                        ========== ========= ========== ========= =========
Distributions to
  Unitholders from
  Bond redemption
  proceeds (average
  Units outstanding
  for entire period)    $   6.30   $   6.00  $  11.31   $  21.95  $  33.28
                        ========== ========= ========== ========= =========
Unrealized
  appreciation
  (depreciation) of
  Bonds (per Unit
  outstanding at end
  of period) .......    $ (9.02)   $ 105.59  $ 125.49   $(82.96)  $  60.34
                        ========== ========= ========== ========= =========
Distributions of
  investment income by
  frequency of
  payment (a)
     Monthly .......    $  65.66   $  65.28  $  65.16   $  63.81  $  61.79
     Quarterly .....    $  66.02   $  65.60  $  65.25   $  64.17  $  62.23
     Semiannual ....    $  66.32   $  65.80  $  65.51   $  64.28  $  62.25
Units outstanding at
  end of period ....      26,189     26,145    25,984     25,885    25,855
</TABLE>

(a) Unitholders may elect to receive distributions on a monthly, quarterly or
semi-annual basis.

                                                                        Page 9
<PAGE>

              REPORT OF INDEPENDENT CERTIFIED PUBLIC ACCOUNTANTS

To the Board of Directors of Van Kampen Merritt Inc. and the Unitholders of
Insured Municipals Income Trust, Series 27, 28, 29 and 30:

     We have audited the accompanying statements of condition (including the
analyses of net assets) and the related portfolio of Insured Municipals Income
Trust, Series 27, 28, 29 and 30 as of December 31, 1993, and the related
statements of operations and changes in net assets for the three years ended
December 31, 1993. These statements are the responsibility of the Trustee and
the Sponsor. Our responsibility is to express an opinion on such statements
based on our audit.

     We conducted our audit in accordance with generally accepted auditing
standards. Those standards require that we plan and perform the audit to
obtain reasonable assurance about whether the financial statements are free of
material misstatement. An audit includes examining, on a test basis, evidence
supporting the amounts and disclosures in the financial statements. Our
procedures included confirmation of tax-exempt securities owned at December
31, 1993 by correspondence with the Trustee. An audit also includes assessing
the accounting principles used and significant estimates made by the Trustee
and the Sponsor, as well as evaluating the overall financial statement
presentation. We believe our audit provides a reasonable basis for our
opinion.

     In our opinion, the statements referred to above present fairly, in all
material respects, the financial position of Insured Municipals Income Trust,
Series 27, 28, 29 and 30 as of December 31, 1993, and the results of
operations and changes in net assets for the three years ended December 31,
1993, in conformity with generally accepted accounting principles.


                                                  GRANT THORNTON

Chicago, Illinois
March 11, 1994


                                                                       Page 10
<PAGE>

<TABLE>
                        INSURED MUNICIPALS INCOME TRUST
                            Statements of Condition
                               December 31, 1993

<CAPTION>
                                                           Series 27         Series 28          Series 29         Series 30
                                                       ----------------- ------------------ ----------------- ------------------
<S>                                                    <C>               <C>                <C>               <C>
Trust property                                                                                                
    Cash ..........................................    $         70,436  $      --          $       --        $      --   
    Tax-exempt securities at market value, (cost                                                              
      $8,569,348, $12,170,659, $14,961,854 and                                                                
      $12,258,161, respectively) (note 1) .........                                                           
                                                              9,153,918        12,715,143         16,801,313        13,171,020
    Accrued interest ..............................             176,650           315,267            274,871           237,015
                                                       ----------------- ------------------ ----------------- ------------------
                                                       $      9,401,004  $     13,030,410   $     17,076,184  $     13,408,035
                                                       ================= ================== ================= ==================
Liabilities and interest of Unitholders                                                                       
    Cash overdraft ................................            --        $        119,923   $         15,945  $         76,517
    Interest to Unitholders .......................           9,401,004        12,910,487         17,060,239        13,331,518
                                                       ----------------- ------------------ ----------------- ------------------
                                                       $      9,401,004  $     13,030,410   $     17,076,184  $     13,408,035
                                                       ================= ================== ================= ==================
</TABLE>



<TABLE>
                            Analyses of Net Assets
<CAPTION>
<S>                                                    <C>               <C>                <C>               <C>
Interest of Unitholders (15,401, 19,575, 27,262 and                                                           
  25,158 Units, respectively of fractional undivided                                                          
  interest outstanding)                                                                                       
    Cost to original investors of 19,750, 20,500,                                                             
      29,000 and 26,500 Units, respectively (note 1)                                                          
                                                       $     19,750,000  $     20,500,000   $     29,000,000  $     26,500,000
          Less initial underwriting commission                                                                
            (note 3) ..............................             928,141           963,296          1,362,834         1,245,496
                                                       ----------------- ------------------ ----------------- ------------------
                                                             18,821,859        19,536,704         27,637,166        25,254,504
          Less redemption of Units (4,349, 925, 1,738                                                         
            and 1,342 Units, respectively) ........                                                           
                                                              3,726,469           761,221          1,332,687         1,000,380
                                                       ----------------- ------------------ ----------------- ------------------
                                                             15,095,390        18,775,483         26,304,479        24,254,124
    Undistributed net investment income                                                                       
          Net investment income ...................          17,103,230        18,943,912         25,917,346        23,012,629
          Less distributions to Unitholders .......          16,957,723        18,746,531         25,658,202        22,832,482
                                                       ----------------- ------------------ ----------------- ------------------
                                                                145,507           197,381            259,144           180,147
    Realized gain (loss) on Bond sale                                                                         
      or redemption ...............................            (339,624)          (67,698)          (353,408)          (53,020)
    Unrealized appreciation (depreciation) of Bonds                                                           
      (note 2) ....................................             584,570           544,484          1,839,459           912,859
    Distributions to Unitholders of Bond sale or                                                              
      redemption proceeds .........................          (6,084,839)       (6,539,163)       (10,989,435)      (11,962,592)
                                                       ----------------- ------------------ ----------------- ------------------
             Net asset value to Unitholders .......    $      9,401,004  $     12,910,487   $     17,060,239  $     13,331,518
                                                       ================= ================== ================= ==================
Net asset value per Unit (Units outstanding of                                                                
  15,401, 19,575, 27,262 and 25,158, respectively)                                                            
                                                       $         610.42  $         659.54   $         625.79  $         529.91
                                                       ================= ================== ================= ==================
</TABLE>

       The accompanying notes are an integral part of these statements.


                                                                       Page 11
<PAGE>

<TABLE>
                  INSURED MUNICIPALS INCOME TRUST, SERIES 27
              Statements of Operations--Years ended December 31,
<CAPTION>
                                                                                1991               1992              1993
                                                                          ----------------- ------------------ -----------------
<S>                                                                       <C>               <C>                <C>
Investment income                                                                                              
    Interest income ..................................................    $      1,004,323  $        858,303   $        727,584
    Expenses                                                                                                   
       Trustee fees and expenses .....................................              17,858            15,770             14,726
       Evaluator fees ................................................               2,808             3,482              4,375
       Insurance expense .............................................              15,660            12,369             11,976
                                                                          ----------------- ------------------ -----------------
             Total expenses ..........................................              36,326            31,621             31,077
                                                                          ----------------- ------------------ -----------------
       Net Investment Income .........................................             967,997           826,682            696,507
Realized gain (loss) from Bond sale or redemption                                                              
    Proceeds .........................................................           2,006,115           281,725          2,975,153
    Cost .............................................................           2,046,662           285,554          3,031,267
                                                                          ----------------- ------------------ -----------------
       Realized gain (loss) ..........................................             (40,547)           (3,829)           (56,114)
Net change in unrealized appreciation (depreciation)                                                           
  of Bonds ...........................................................             367,946           113,999            338,907
                                                                          ----------------- ------------------ -----------------
             NET INCREASE (DECREASE) IN NET ASSETS RESULTING FROM                                              
               OPERATIONS ............................................    $      1,295,396  $        936,852   $        979,300
                                                                          ================= ================== =================
</TABLE>


<TABLE>
         Statements of Changes in Net Assets--Years ended December 31,
<CAPTION>
                                                                                1991               1992              1993
                                                                          ----------------- ------------------ -----------------
<S>                                                                       <C>               <C>                <C>
Increase (decrease) in net assets                                                                              
Operations:                                                                                                    
       Net investment income .........................................    $        967,997  $        826,682   $        696,507
       Realized gain (loss) on Bond sale or redemption ...............             (40,547)           (3,829)           (56,114)
       Net change in unrealized appreciation (depreciation)                                                    
         of Bonds ....................................................             367,946           113,999            338,907
                                                                          ----------------- ------------------ -----------------
          Net increase (decrease) in net assets resulting                                                      
            from operations ..........................................           1,295,396           936,852            979,300
Distributions to Unitholders from:                                                                             
       Net investment income .........................................            (982,472)         (857,072)          (745,408)
       Bond sale or redemption proceeds ..............................            (228,702)       (2,035,308)        (2,843,179)
Redemption of Units (note 4) .........................................             (91,726)          (13,034)           (92,872)
                                                                          ----------------- ------------------ -----------------
          Total increase (decrease) ..................................              (7,504)       (1,968,562)        (2,702,159)
Net asset value to Unitholders                                                                                 
       Beginning of period ...........................................          14,079,229        14,071,725         12,103,163
                                                                          ----------------- ------------------ -----------------
       End of period (including undistributed net investment income of                                         
         $224,798, $194,408 and $145,507, respectively) ..............                                         
                                                                          $     14,071,725  $     12,103,163   $      9,401,004
                                                                          ================= ================== =================
</TABLE>

       The accompanying notes are an integral part of these statements.


                                                                       Page 12
<PAGE>

<TABLE>
                  INSURED MUNICIPALS INCOME TRUST, SERIES 28
              Statements of Operations--Years ended December 31,
<CAPTION>
                                                                                1991              1992               1993
                                                                         ------------------ ----------------- ------------------
<S>                                                                      <C>                <C>               <C>
Investment income                                                                                             
    Interest income ..................................................   $      1,275,302   $      1,244,329  $      1,057,572
    Expenses                                                                                                  
       Trustee fees and expenses .....................................             21,032             22,980            19,266
       Evaluator fees ................................................              2,773              3,488             4,270
       Insurance expense .............................................             27,538             27,075            24,877
                                                                         ------------------ ----------------- ------------------
             Total expenses ..........................................             51,343             53,543            48,413
                                                                         ------------------ ----------------- ------------------
       Net Investment Income .........................................          1,223,959          1,190,786         1,009,159
Realized gain (loss) from Bond sale or redemption                                                             
    Proceeds .........................................................            357,139            418,825         4,749,436
    Cost .............................................................            368,533            421,652         4,747,298
                                                                         ------------------ ----------------- ------------------
       Realized gain (loss) ..........................................            (11,394)            (2,827)            2,138
Net change in unrealized appreciation (depreciation)                                                          
  of Bonds ...........................................................            945,329            149,525           674,717
                                                                         ------------------ ----------------- ------------------
             NET INCREASE (DECREASE) IN NET ASSETS RESULTING FROM                                             
               OPERATIONS ............................................   $      2,157,894   $      1,337,484  $      1,686,014
                                                                         ================== ================= ==================
</TABLE>


<TABLE>
         Statements of Changes in Net Assets--Years ended December 31,
<CAPTION>
                                                                                1991              1992               1993
                                                                         ------------------ ----------------- ------------------
<S>                                                                      <C>                <C>               <C>
Increase (decrease) in net assets                                                                             
Operations:                                                                                                   
       Net investment income .........................................   $      1,223,959   $      1,190,786  $      1,009,159
       Realized gain (loss) on Bond sale or redemption ...............            (11,394)            (2,827)            2,138
       Net change in unrealized appreciation (depreciation)                                                   
         of Bonds ....................................................            945,329            149,525           674,717
                                                                         ------------------ ----------------- ------------------
          Net increase (decrease) in net assets resulting                                                     
            from operations ..........................................          2,157,894          1,337,484         1,686,014
Distributions to Unitholders from:                                                                            
       Net investment income .........................................         (1,229,744)        (1,202,185)       (1,093,416)
       Bond sale or redemption proceeds ..............................           (323,754)          (393,089)       (4,713,373)
Redemption of Units (note 4) .........................................            (21,371)            (6,888)          (72,018)
                                                                         ------------------ ----------------- ------------------
          Total increase (decrease) ..................................            583,025           (264,678)       (4,192,793)
Net asset value to Unitholders                                                                                
         Beginning of period .........................................         16,784,933         17,367,958        17,103,280
                                                                         ------------------ ----------------- ------------------
       End of period (including undistributed net investment income of                                        
         $293,037, $281,638 and $197,381, respectively) ..............                                        
                                                                         $     17,367,958   $     17,103,280  $     12,910,487
                                                                         ================== ================= ==================
</TABLE>

       The accompanying notes are an integral part of these statements.


                                                                       Page 13
<PAGE>

<TABLE>
                  INSURED MUNICIPALS INCOME TRUST, SERIES 29
              Statements of Operations--Years ended December 31,
<CAPTION>
                                                                                1991              1992               1993
                                                                         ------------------ ----------------- ------------------
<S>                                                                      <C>                <C>               <C>
Investment income                                                                                             
    Interest income ..................................................   $      1,707,799   $      1,508,620  $      1,243,247
    Expenses                                                                                                  
       Trustee fees and expenses .....................................             27,106             26,952            23,606
       Evaluator fees ................................................              1,278              1,492             1,820
       Insurance expense .............................................             33,444             28,573            24,228
                                                                         ------------------ ----------------- ------------------
             Total expenses ..........................................             61,828             57,017            49,654
                                                                         ------------------ ----------------- ------------------
       Net Investment Income .........................................          1,645,971          1,451,603         1,193,593
Realized gain (loss) from Bond sale or redemption                                                             
    Proceeds .........................................................            385,960          3,029,665         4,977,930
    Cost .............................................................            404,010          3,059,546         4,964,219
                                                                         ------------------ ----------------- ------------------
       Realized gain (loss) ..........................................            (18,050)           (29,881)           13,711
Net change in unrealized appreciation (depreciation)                                                          
  of Bonds ...........................................................          1,032,102            366,966         1,322,787
                                                                         ------------------ ----------------- ------------------
             NET INCREASE (DECREASE) IN NET ASSETS RESULTING FROM                                             
               OPERATIONS ............................................   $      2,660,023   $      1,788,688  $      2,530,091
                                                                         ================== ================= ==================
</TABLE>


<TABLE>
         Statements of Changes in Net Assets--Years ended December 31,
<CAPTION>
                                                                                1991              1992               1993
                                                                         ------------------ ----------------- ------------------
<S>                                                                      <C>                <C>               <C>
Increase (decrease) in net assets                                                                             
Operations:                                                                                                   
       Net investment income .........................................   $      1,645,971   $      1,451,603  $      1,193,593
       Realized gain (loss) on Bond sale or redemption ...............            (18,050)           (29,881)           13,711
       Net change in unrealized appreciation (depreciation)                                                   
         of Bonds ....................................................          1,032,102            366,966         1,322,787
                                                                         ------------------ ----------------- ------------------
          Net increase (decrease) in net assets resulting                                                     
            from operations ..........................................          2,660,023          1,788,688         2,530,091
Distributions to Unitholders from:                                                                            
       Net investment income .........................................         (1,658,327)        (1,508,910)       (1,284,563)
       Bond sale or redemption proceeds ..............................           (366,045)        (2,944,498)       (4,887,988)
Redemption of Units (note 4) .........................................             (3,308)           (16,385)         (166,304)
                                                                         ------------------ ----------------- ------------------
          Total increase (decrease) ..................................            632,343         (2,681,105)       (3,808,764)
Net asset value to Unitholders                                                                                
       Beginning of period ...........................................         22,917,765         23,550,108        20,869,003
                                                                         ------------------ ----------------- ------------------
       End of period (including undistributed net investment income of                                        
         $407,421, $350,114 and $259,144, respectively) ..............                                        
                                                                         $     23,550,108   $     20,869,003  $     17,060,239
                                                                         ================== ================= ==================
</TABLE>

       The accompanying notes are an integral part of these statements.


                                                                       Page 14
<PAGE>

<TABLE>
                  INSURED MUNICIPALS INCOME TRUST, SERIES 30
              Statements of Operations--Years ended December 31,
<CAPTION>
                                                                                1991              1992               1993
                                                                         ------------------ ----------------- ------------------
<S>                                                                      <C>                <C>               <C>
Investment income                                                                                             
    Interest income ..................................................   $      1,439,048   $      1,279,577  $        983,862
    Expenses                                                                                                  
       Trustee fees and expenses .....................................             26,009             26,225            23,029
       Evaluator fees ................................................              1,278              1,492             1,820
       Insurance expense .............................................             30,191             26,126            20,663
                                                                         ------------------ ----------------- ------------------
             Total expenses ..........................................             57,478             53,843            45,512
                                                                         ------------------ ----------------- ------------------
       Net Investment Income .........................................          1,381,570          1,225,734           938,350
Realized gain (loss) from Bond sale or redemption                                                             
    Proceeds .........................................................            285,166          3,480,425         3,952,073
    Cost .............................................................            285,768          3,474,297         3,913,027
                                                                         ------------------ ----------------- ------------------
       Realized gain (loss) ..........................................               (602)             6,128            39,046
Net change in unrealized appreciation (depreciation)                                                          
  of Bonds ...........................................................            746,860            117,265           794,209
                                                                         ------------------ ----------------- ------------------
             NET INCREASE (DECREASE) IN NET ASSETS RESULTING FROM                                             
               OPERATIONS ............................................   $      2,127,828   $      1,349,127  $      1,771,605
                                                                         ================== ================= ==================
</TABLE>


<TABLE>
         Statements of Changes in Net Assets--Years ended December 31,
<CAPTION>
                                                                                1991              1992               1993
                                                                         ------------------ ----------------- ------------------
<S>                                                                      <C>                <C>               <C>
Increase (decrease) in net assets                                                                             
Operations:                                                                                                   
       Net investment income .........................................   $      1,381,570   $      1,225,734  $        938,350
       Realized gain (loss) on Bond sale or redemption ...............               (602)             6,128            39,046
       Net change in unrealized appreciation (depreciation)                                                   
         of Bonds ....................................................            746,860            117,265           794,209
                                                                         ------------------ ----------------- ------------------
          Net increase (decrease) in net assets resulting                                                     
            from operations ..........................................          2,127,828          1,349,127         1,771,605
Distributions to Unitholders from:                                                                            
       Net investment income .........................................         (1,384,420)        (1,277,778)         (996,163)
       Bond sale or redemption proceeds ..............................           (160,773)        (3,467,855)       (3,937,066)
Redemption of Units (note 4) .........................................            (66,747)           (15,410)          (81,051)
                                                                         ------------------ ----------------- ------------------
          Total increase (decrease) ..................................            515,888         (3,411,916)       (3,242,675)
Net asset value to Unitholders                                                                                
       Beginning of period ...........................................         19,470,221         19,986,109        16,574,193
                                                                         ------------------ ----------------- ------------------
       End of period (including undistributed net investment income of                                        
         $290,004, $237,960 and $180,147, respectively) ..............                                        
                                                                         $     19,986,109   $     16,574,193  $     13,331,518
                                                                         ================== ================= ==================
</TABLE>

       The accompanying notes are an integral part of these statements.


                                                                       Page 15
<PAGE>


<TABLE>
INSURED MUNICIPALS INCOME TRUST    PORTFOLIO as of December 31, 1993        
SERIES  27
<CAPTION>
_________________________________________________________________________________________________________________________________
                                                                                                                     December
                                                                                                                     31, 1993
   Port-                                                                                      Redemption              Market
   folio       Aggregate     Name of Issuer, Title, Interest Rate and        Rating            Feature                Value
    Item       Principal     Maturity Date                                  (Note 2)           (Note 2)              (Note 1)
- ----------- ---------------- --------------------------------------------- ---------- -------------------------- ----------------
<S>         <C>              <C>                                              <C>     <C>                        <C>
     A      $      110,000   Power Authority of The State of New York,        AAA                                $      127,390
                               General Purpose Revenue, Series C                                                 
                               9.500% Due 01/01/01**                                                             
- ---------------------------------------------------------------------------------------------------------------------------------
     B           -- 0 --     City of Warren, Ohio, Hospital Facilities                                                -- 0 --
                               Revenue Bonds (Warren General Hospital                                            
                               Association, Inc., Project) Series 1978                                           
                               (AMBAC Indemnity Insured)                                                         
                               7.450% Due 06/01/06                                                               
- ---------------------------------------------------------------------------------------------------------------------------------
     C             465,000   Puerto Rico Ports Authority Revenue Bonds,        A*     1994 @ 101                        469,985
                               Series C                                               1996 @ 100 S.F.            
                               7.300% Due 07/01/07                                                               
- ---------------------------------------------------------------------------------------------------------------------------------
     D             415,000   Alaska Housing Finance Corporation Insured       AA1*    1994 @ 101.5                      418,175
                               Mortgage Program Bonds, 1978 First Series              1994 @ 100 S.F.            
                               6.375% Due 12/01/07                                                               
- ---------------------------------------------------------------------------------------------------------------------------------
     E           -- 0 --     Franklin County Industrial Development                                                   -- 0 --
                               Authority, Chambersburg, Pennsylvania,                                            
                               Hospital Revenue Bonds, Series 1979 (The                                          
                               Chambersburg Hospital)                                                            
                               7.625% Due 07/01/08                                                               
- ---------------------------------------------------------------------------------------------------------------------------------
     F           1,940,000   City of Albuquerque, New Mexico, Hospital        AAA                                     2,247,664
                               System Revenue Bonds, 1979 Series A                                               
                               (Presbyterian Hospital Center)                                                    
                               7.750% Due 08/01/08**                                                             
- ---------------------------------------------------------------------------------------------------------------------------------
     G             440,000   City of Pekin, Tazewell County, Illinois,         AA                                       440,181
                               Single Family Mortgage Revenue Bonds                                              
                               7.400% Due 12/01/08**                                                             
- ---------------------------------------------------------------------------------------------------------------------------------
     H             715,000   Parking Authority of The City of Perth           AAA     1994 @ 102                        729,121
                               Amboy, New Jersey, Parking Facilities                  1994 @ 100 S.F.            
                               Revenue Bonds (Perth Amboy General                                                
                               Hospital Project) Series 1978 (AMBAC                                              
                               Indemnity Insured)                                                                
                               7.375% Due 12/01/08                                                               
- ---------------------------------------------------------------------------------------------------------------------------------
     I           -- 0 --     New Mexico Mortgage Finance Authority Single                                             -- 0 --
                               Family Mortgage Purchase Bonds, 1979                                              
                               Series A                                                                          
                               7.500% Due 07/01/09                                                               
- ---------------------------------------------------------------------------------------------------------------------------------
     J           -- 0 --     Dormitory Authority of The State of New York                                             -- 0 --
                               Revenue Bonds (Charles S. Wilson Memorial                                         
                               Hospital Issue) Series A                                                          
                               7.750% Due 07/01/09                                                               
- ---------------------------------------------------------------------------------------------------------------------------------
     K           1,455,000   The Health Care and Residential Facilities       AAA     1994 @ 100.5                    1,441,185
                               Board of Jefferson County, Arkansas Single             1999 @ 100 S.F.            
                               Family Mortgage Revenue Bonds, 1978                                                       20,236
                               Conventional Series                                                               
                               1,435M-7.4% Due 12/01/10                                                          
                               20M-7.4% Due 12/01/10**                                                           
</TABLE>



                                                                       Page 16
<PAGE>

<TABLE>
INSURED MUNICIPALS INCOME TRUST    PORTFOLIO as of Date December 31, 1993
(continued)SERIES 27
<CAPTION>
_________________________________________________________________________________________________________________________________
                                                                                                                     December
                                                                                                                     31, 1993
   Port-                                                                                      Redemption              Market
   folio       Aggregate     Name of Issuer, Title, Interest Rate and        Rating            Feature                Value
    Item       Principal     Maturity Date                                  (Note 2)           (Note 2)              (Note 1)
- ----------- ---------------- --------------------------------------------- ---------- -------------------------- ----------------
<S>         <C>              <C>                                              <C>     <C>                        <C>
     L      $    1,415,000   City of Wilmington, Delaware, Single Family      AAA                                $    1,417,391
                               Mortgage Revenue Bonds 1979 Series A                                              
                               7.500% Due 01/01/12**                                                             
- ---------------------------------------------------------------------------------------------------------------------------------
     M           1,215,000   West Virginia Water Development Authority,       AAA                                     1,490,380
                               Water Development Revenue Bonds (Sew-age                                          
                               Systems Loan Program), 1978 Series A                                              
                               7.200% Due 11/01/19**                                                             
- ---------------------------------------------------------------------------------------------------------------------------------
     N             355,000   Michigan State Housing Development                A+     1994 @ 100                        352,210
                               Authority, Section 8 Assisted Mortgage                 2009 @ 100 S.F.            
                               Revenue Bonds, 1978 Series I                                                      
                               6.625% Due 04/01/21                                                               
            ----------------                                                                                     ----------------
            $    8,525,000                                                                                       $    9,153,918
            ================                                                                                     ================
_________________________________________________________________________________________________________________________________
</TABLE>

The accompanying notes are an integral part of this statement.

**The issuer of these Bonds has placed funds or securities in escrow against
payment of the issue on the date or dates indicated. 


                                                                       Page 17
<PAGE>

<TABLE>
INSURED MUNICIPALS INCOME TRUST    PORTFOLIO as of December 31, 1993        
SERIES  28
<CAPTION>
_________________________________________________________________________________________________________________________________
                                                                                                                     December
                                                                                                                     31, 1993
   Port-                                                                                      Redemption              Market
   folio       Aggregate     Name of Issuer, Title, Interest Rate and        Rating            Feature                Value
    Item       Principal     Maturity Date                                  (Note 2)           (Note 2)              (Note 1)
- ----------- ---------------- --------------------------------------------- ---------- -------------------------- ----------------
<S>         <C>              <C>                                              <C>     <C>                        <C>
     A      $    -- 0 --     City of Superior, Wisconsin, Dock or Wharf                                          $    -- 0 --
                               Collateralized Revenue Bonds (Midwest                                             
                               Engery Resources Company Project) Series E                                        
                               8.500% Due 02/01/01                                                               
- ---------------------------------------------------------------------------------------------------------------------------------
     B           -- 0 --     City of Warren, Ohio, Hospital Facilities                                                -- 0 --
                               Revenue Bonds (Warren General Hospital                                            
                               Association, Inc., Project) Series 1978                                           
                               (AMBAC Indemnity Insured)                                                         
                               7.450% Due 06/01/06                                                               
- ---------------------------------------------------------------------------------------------------------------------------------
     C           3,000,000   North Texas Hospital Authority Hospital           NR                                     3,472,050
                               Revenue Bonds (Bethania Hospital Project)                                         
                               Series A                                                                          
                               7.200% Due 02/01/09**                                                             
- ---------------------------------------------------------------------------------------------------------------------------------
     D             700,000   Pleasants County, West Virginia, Pollution        A      1994 @ 100.5                      697,571
                               Control Revenue Bonds (Monogahela Power                2001 @ 100 S.F.            
                               Company Pleasants Station Project) 1979                                           
                               Series B                                                                          
                               7.750% Due 02/01/09                                                               
- ---------------------------------------------------------------------------------------------------------------------------------
     E             425,000   City of Clovis, New Mexico, Single Family         AA     1994 @ 100.5                      423,330
                               Mortgage Revenue Bonds, Series 1979                                               
                               7.400% Due 02/01/10                                                               
- ---------------------------------------------------------------------------------------------------------------------------------
     F           -- 0 --     City of Jacksonville, Arkansas, Residential                                              -- 0 --
                               Housing Facilities Board Single Family                                            
                               Mortgage Revenue Bonds, 1979 Series                                               
                               7.300% Due 02/01/11                                                               
- ---------------------------------------------------------------------------------------------------------------------------------
     G             695,000   City of Jonesboro, Arkansas, Residential         AAA                                       696,404
                               Housing Facilities Board Single Family                                            
                               Mortgage Revenue Bonds, 1979 Series A                                             
                               7.250% Due 02/01/11**                                                             
- ---------------------------------------------------------------------------------------------------------------------------------
     H           2,700,000   The Hospital Authority of The County of          BBB-    1994 @ 100                      2,675,484
                               Beaver, Beaver County, Pennsylvania                    1995 @ 100 S.F.            
                               Hospital First Mortgage Revenue Bonds,                                            
                               Series of 1979 (Aliquippa Hospital                                                
                               Association, Sublessee)                                                           
                               7.500% Due 02/01/11                                                               
- ---------------------------------------------------------------------------------------------------------------------------------
     I           1,650,000   Cities of Dallas and Fort Worth, Texas,         BAA1*    1994 @ 100.5                    1,648,350
                               Dallas-Fort Worth Regional Airport,                    2006 @ 100 S.F.            
                               American Special Facilities Revenue Bonds,                                        
                               Series 1979                                                                       
                               7.250% Due 11/01/12                                                               
- ---------------------------------------------------------------------------------------------------------------------------------
     J           2,000,000   Delaware State Housing Authority Housing          A+     1994 @ 102                      2,023,980
                               Development Revenue Bonds, 1979 Series A               2009 @ 100 S.F.            
                               7.250% Due 09/01/17                                                               
- ---------------------------------------------------------------------------------------------------------------------------------
     K           -- 0 --     Washington Public Power Supply System                                                    -- 0 --
                               Generating Facilities Revenue Bonds,                                              
                               Series 1979A (Nuclear Projects Nos. 4 and                                         
                               5)                                                                                
                               7.250% Due 07/01/18                                                               
- ---------------------------------------------------------------------------------------------------------------------------------
     L           1,008,481   1,604 Existing Fund Units (Units of                                                      1,077,974
                               previously issued IMITs)                                                          
                               6.39193%                                                                          
            ----------------                                                                                     ----------------
            $   12,178,481                                                                                       $   12,715,143
            ================                                                                                     ================
_________________________________________________________________________________________________________________________________
</TABLE>

The accompanying notes are an integral part of this statement.

**The issuer of these Bonds has placed funds or securities in escrow against
payment of the issue on the date or dates indicated.


                                                                       Page 18
<PAGE>

<TABLE>
INSURED MUNICIPALS INCOME TRUST    PORTFOLIO as of December 31, 1993        
SERIES  29
<CAPTION>
_________________________________________________________________________________________________________________________________
                                                                                                                     December
                                                                                                                     31, 1993
   Port-                                                                                      Redemption              Market
   folio       Aggregate     Name of Issuer, Title, Interest Rate and        Rating            Feature                Value
    Item       Principal     Maturity Date                                  (Note 2)           (Note 2)              (Note 1)
- ----------- ---------------- --------------------------------------------- ---------- -------------------------- ----------------
<S>         <C>              <C>                                             <C>      <C>                        <C>
     A      $      335,000   Power Authority of The State of New York,        AAA                                $      387,960
                               General Purpose Revenue, Series C                                                 
                               9.500% Due 01/01/01**                                                             
- ---------------------------------------------------------------------------------------------------------------------------------
     B             240,000   Cities of Dallas and Fort Worth, Texas,         BAA1*    1994 @ 100.5                      239,902
                               Dallas-Fort Worth Regional Airport,                    2000 @ 100 S.F.            
                               American Special Facilities Revenue Bonds,                                        
                               Series 1979                                                                       
                               7.125% Due 11/01/05                                                               
- ---------------------------------------------------------------------------------------------------------------------------------
     C           -- 0 --     Municipality of Anchorage, Alaska, Home                                                  -- 0 --
                               Mortgage Revenue Bonds, 1979                                                      
                               7.600% Due 03/01/08                                                               
- ---------------------------------------------------------------------------------------------------------------------------------
     D           3,000,000   Hamilton County, Ohio, Hospital Facilities        NR                                     3,676,590
                               Revenue Bonds (St. Francis-St. George                                             
                               Hospital, Inc.)                                                                   
                               7.750% Due 02/15/09**                                                             
- ---------------------------------------------------------------------------------------------------------------------------------
     E           -- 0 --     Randolph County Building Commission,                                                     -- 0 --
                               Randolph County, West Virginia, Hospital                                          
                               Revenue Bonds, Series 1979 (Davis Memorial                                        
                               Hospital Project)                                                                 
                               7.500% Due 04/01/09                                                               
- ---------------------------------------------------------------------------------------------------------------------------------
     F             450,000   Idaho Health Facilities Authority Revenue         BB     1994 @ 100                        443,646
                               Bonds, Series 1979 (Bonner General                     1998 @ 100 S.F.            
                               Hospital Project)                                                                 
                               7.750% Due 10/01/09                                                               
- ---------------------------------------------------------------------------------------------------------------------------------
     G           -- 0 --     Cabell County, West Virginia, Putnam County,                                             -- 0 --
                               West Virginia, and Wayne County, West                                             
                               Virginia, Single Family Residence Mortgage                                        
                               Revenue Bonds (Multiple Originators and                                           
                               Services) 1979 Series A                                                           
                               7.375% Due 04/01/10                                                               
- ---------------------------------------------------------------------------------------------------------------------------------
     H           -- 0 --     City of Martinsburg, Berkeley County, West                                               -- 0 --
                               Virginia, Residential Mortgage Revenue                                            
                               Bonds, Series A                                                                   
                               7.375% Due 04/01/10                                                               
- ---------------------------------------------------------------------------------------------------------------------------------
     I             800,000   City of West Memphis, Arkansas, Residential       A*                                       928,112
                               Housing Facilities Board Single Family                                            
                               Mortgage Revenue Bonds, 1979 Series A                                             
                               7.400% Due 09/01/10**                                                             
- ---------------------------------------------------------------------------------------------------------------------------------
     J          -- 0 --      The Residential Housing Facilities Board of                                              -- 0 --
                               Lonoke County, Arkansas, 1979 Series A                                            
                               7.500% Due 03/01/11                                                               
- ---------------------------------------------------------------------------------------------------------------------------------
     K             750,000   Delta County, Colorado, Single Family            AA-     1994 @ 100.5                      748,140
                               Mortgage Revenue Bonds, 1979 Series A                  2000 @ 100 S.F.            
                               7.500% Due 03/01/11                                                               
- ---------------------------------------------------------------------------------------------------------------------------------
     L           3,250,000   Orangeburg County, South Carolina, Hospital      AAA                                     3,872,342
                               Facilities Revenue Bonds, Series 1979                                             
                               (Orangeburg Regional Hospital Project)                                            
                               7.625% Due 04/01/11**                                                             
- ---------------------------------------------------------------------------------------------------------------------------------
     M           -- 0 --     Yuba County Water Agency, California                                                     -- 0 --
                               4.000% Due 03/01/16                                                               
- ---------------------------------------------------------------------------------------------------------------------------------
     N           -- 0 --     Washington Public Power Supply System                                                    -- 0 --
                               Generating Facilities Revenue Bonds,                                              
                               Series 1979A (Nuclear Projects Nos. 4 and                                         
                               5)                                                                                
                               7.250% Due 07/01/18                                                               
- ---------------------------------------------------------------------------------------------------------------------------------
     O             350,000   West Virginia Water Development Authority,       AAA                                       429,328
                               Water Development Revenue Bonds (Sewage                                           
                               Systems Loan Program), 1978 Series A                                              
                               7.200% Due 11/01/19**                                                             
</TABLE>



                                                                       Page 19
<PAGE>

<TABLE>
INSURED MUNICIPALS INCOME TRUST    PORTFOLIO as of December 31, 1993
(continued)SERIES  29
<CAPTION>
_________________________________________________________________________________________________________________________________
                                                                                                                     December
                                                                                                                     31, 1993
   Port-                                                                                      Redemption              Market
   folio       Aggregate     Name of Issuer, Title, Interest Rate and        Rating            Feature                Value
    Item       Principal     Maturity Date                                  (Note 2)           (Note 2)              (Note 1)
- ----------- ---------------- --------------------------------------------- ---------- -------------------------- ----------------
<S>         <C>              <C>                                               <C>    <C>                        <C>
     P      $    1,495,000   Puerto Rico Housing Finance Corporation,          AA                                $    1,898,127
                               Mortgage Revenue Bonds, Series 1979 A                                             
                               Lagos Del Norte Project (FHA Insured                                              
                               Mortgage Loan--Section 8 Assisted Project)                                        
                               7.500% Due 11/01/21**                                                             
- ---------------------------------------------------------------------------------------------------------------------------------
     Q           2,775,000   Small Farms Housing Development Corporation       AA     1994 @ 102                      2,820,732
                               (City of Gary, Indiana) Mortgage Revenue               1995 @ 100 S.F.            
                               Bonds                                                                             
                               7.400% Due 12/01/21                                                               
- ---------------------------------------------------------------------------------------------------------------------------------
     R           1,286,466   2,206 Existing Fund Units (Units of                                                      1,356,434
                               previously issued IMITs)                                                          
                               6.7085%                                                                           
            ----------------                                                                                     ----------------
            $   14,731,466                                                                                       $   16,801,313
            ================                                                                                     ================
_________________________________________________________________________________________________________________________________
</TABLE>

The accompanying notes are an integral part of this statement.

**The issuer of these Bonds has placed funds or securities in escrow against
payment of the issue on the date or dates indicated.


                                                                       Page 20
<PAGE>

<TABLE>
INSURED MUNICIPALS INCOME TRUST    PORTFOLIO as of December 31, 1993        
SERIES  30
<CAPTION>
_________________________________________________________________________________________________________________________________
                                                                                                                     December
                                                                                                                     31, 1993
   Port-                                                                                      Redemption              Market
   folio       Aggregate     Name of Issuer, Title, Interest Rate and        Rating            Feature                Value
    Item       Principal     Maturity Date                                  (Note 2)           (Note 2)              (Note 1)
- ----------- ---------------- --------------------------------------------- ---------- -------------------------- ----------------
<S>         <C>              <C>                                              <C>     <C>                        <C>
     A      $    -- 0 --     Municipal Assistance Corporation for The                                            $    -- 0 --
                               City of New York (Corporate Governmental                                          
                               Agency and Instrumentality of The State of                                        
                               New York) 1979 Series 14 Bonds                                                    
                               8.625% Due 07/01/99                                                               
- ---------------------------------------------------------------------------------------------------------------------------------
     B           -- 0 --     County of Clark, Kentucky, Various Coupon                                                -- 0 --
                               Residential Mortgage Revenue Bonds, Series                                        
                               1979                                                                              
                               7.375% Due 04/01/02                                                               
- ---------------------------------------------------------------------------------------------------------------------------------
     C             175,000   Pope County, Arkansas, Arkansas Power &          BAA*    1994 @ 100                        172,447
                               Light Company (1976 Issue)                             1996 @ 100 S.F.            
                               7.375% Due 09/01/06                                                               
- ---------------------------------------------------------------------------------------------------------------------------------
     D           -- 0 --     Randolph County Building Commission,                                                     -- 0 --
                               Randolph County, West Virginia, Hospital                                          
                               Revenue Bonds, Series 1979 (Davis Memorial                                        
                               Hospital Project)                                                                 
                               7.500% Due 04/01/09                                                               
- ---------------------------------------------------------------------------------------------------------------------------------
     E           1,255,000   City of Joliet, Will County, Illinois,            AA                                     1,258,037
                               Residential Mortgage Revenue Bonds Series                                         
                               1979                                                                              
                               7.500% Due 05/01/09**                                                             
- ---------------------------------------------------------------------------------------------------------------------------------
     F           2,350,000   Illinois Health Facilities Authority Revenue      A*     1994 @ 100                      2,332,821
                               Bonds, Series 1979 (Copley Memorial                                               
                               Hospital, Inc. Project) Aurora, Illinois                                          
                               7.375% Due 05/01/09                                                               
- ---------------------------------------------------------------------------------------------------------------------------------
     G           1,375,000   North Carolina Medical Care Commission           AAA                                     1,617,234
                               Hospital Revenue Bonds (Stanly County                                             
                               Hospital Project) Series A                                                        
                               7.600% Due 10/01/09**                                                             
- ---------------------------------------------------------------------------------------------------------------------------------
     H           2,345,000   Cabell County, West Virginia, Putnam County,     AAA                                     2,594,179
                               West Virginia, and Wayne County, West                                             
                               Virginia, Single Family Residence Mortgage                                        
                               Revenue Bonds (Multiple Originators and                                           
                               Services) 1979 Series A                                                           
                               7.375% Due 04/01/10**                                                             
- ---------------------------------------------------------------------------------------------------------------------------------
     I           -- 0 --     City of Martinsburg, Berkeley County, West                                               -- 0 --
                               Virginia, Residential Mortgage Revenue                                            
                               Bonds, Series A                                                                   
                               7.375% Due 04/01/10                                                               
- ---------------------------------------------------------------------------------------------------------------------------------
     J           -- 0 --     Washington Public Power Supply System                                                    -- 0 --
                               Generating Facilities Revenue Bonds,                                              
                               Series 1979A (Nuclear Project Nos. 4 and 5)                                       
                               7.125% Due 07/01/10                                                               
- ---------------------------------------------------------------------------------------------------------------------------------
     K           -- 0 --     Residential Housing Facilities Board of                                                  -- 0 --
                               Saline County, Arkansas, Single Family                                            
                               Mortgage Revenue Bonds, 1979 Series A                                             
                               7.500% Due 04/01/11                                                               
- ---------------------------------------------------------------------------------------------------------------------------------
     L           -- 0 --     North Carolina Medical Care Commission                                                   -- 0 --
                               Hospital Revenue Bonds (Annie Penn                                                
                               Memorial Hospital Project) Series A                                               
                               7.375% Due 10/01/11                                                               
- ---------------------------------------------------------------------------------------------------------------------------------
     M           2,200,000   Allegheny County Hospital Development            AAA                                     2,710,158
                               Authority Hospital Revenue Bonds, Series N                                        
                               (Allegheny General Hospital Project)                                              
                               7.375% Due 07/01/12**                                                             
</TABLE>



                                                                       Page 21
<PAGE>

<TABLE>
INSURED MUNICIPALS INCOME TRUST    PORTFOLIO as of December 31, 1993
(continued)SERIES  30
<CAPTION>
_________________________________________________________________________________________________________________________________
                                                                                                                     December
                                                                                                                     31, 1993
   Port-                                                                                      Redemption              Market
   folio       Aggregate     Name of Issuer, Title, Interest Rate and        Rating            Feature                Value
    Item       Principal     Maturity Date                                  (Note 2)           (Note 2)              (Note 1)
- ----------- ---------------- --------------------------------------------- ---------- -------------------------- ----------------
<S>         <C>              <C>                                               <C>    <C>                        <C>
    N       $      550,000   The Philadelphia (Pennsylvania) Parking           A*     1994 @ 100                 $      546,057
                               Authority Airport Parking Revenue Bonds,               2005 @ 100 S.F.            
                               Series of 1978                                                                    
                               7.400% Due 09/01/12                                                               
- ---------------------------------------------------------------------------------------------------------------------------------
     O             475,000   Small Farms Housing Development Corporation       AA     1994 @ 102                        482,828
                               (City of Gary, Indiana) Mortgage Revenue               1995 @ 100 S.F.            
                               Bonds (FHA Insured Mortgage-Section 8                                             
                               Assisted 200-Unit Family)                                                         
                               7.400% Due 12/01/21                                                               
- ---------------------------------------------------------------------------------------------------------------------------------
     P           1,392,943   1,877 Existing Fund Units (Units of                                                      1,457,259
                               previously issued IMITs)                                                          
                               6.4911%                                                                           
            ----------------                                                                                     ----------------
            $   12,117,943                                                                                       $   13,171,020
            ================                                                                                     ================
_________________________________________________________________________________________________________________________________
</TABLE>

The accompanying notes are an integral part of this statement.

**The issuer of these Bonds has placed funds or securities in escrow against
payment of the issue on the date or dates indicated.


                                                                       Page 22
<PAGE>

                        INSURED MUNICIPALS INCOME TRUST
                           Series 27, 28, 29 and 30
                         Notes to Financial Statements
                       December 31, 1991, 1992 and 1993


NOTE 1--SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

     Security Valuation--Tax-exempt municipal securities are stated at the
value determined by the Evaluator, American Portfolio Evaluation Services (a
division of a subsidiary of the Sponsor). The Evaluator may determine the
value of the Bonds (1) on the basis of current bid prices of the Bonds
obtained from dealers or brokers who customarily deal in Bonds comparable to
those held by each of the Trusts, (2) on the basis of bid prices for
comparable Bonds, (3) by determining the value of the Bonds by appraisal or
(4) by any combination of the above. The Trusts maintain insurance which
provide for the timely payment when due, of all principal and interest on
Bonds owned by them. Except in cases in which Bonds are in default, or
significant risk of default, this valuation does not include any value
attributable to this insurance feature since the insurance terminates as to
any Bond at the time of its disposition.

     Security Cost--The original cost to each of the Trusts (Series 27, Series
28, Series 29 and Series 30) was based on the determination by Interactive
Data Services, Inc. of the offering prices of the Bonds on the respective date
of deposit (January 22, 1979, February 26, 1979, April 16, 1979 and May 7,
1979). Since the valuation is based upon the bid prices, such Trusts (Series
27, Series 28, Series 29 and Series 30) recognized downward adjustments of
$181,012, $215,448, $285,494 and $271,783, respectively, on the respective
date of deposit resulting from the difference between the bid and offering
prices. These downward adjustments were included in the aggregate amount of
unrealized appreciation reported in the financial statements for each Trust
for the period ended June 30, 1979.

     Unit Valuation--The redemption price per Unit is the pro rata share of
each Unit in each Trust based upon (1) the cash on hand in such Trust or
monies in the process of being collected, (2) the Bonds in such Trust based on
the value determined by the Evaluator and (3) interest accrued thereon, less
accrued expenses of the Trust, if any.

     Federal Income Taxes--The Trusts are not taxable for Federal income tax
purposes. Each Unitholder is considered to be the owner of a pro rata portion
of such Trust and, accordingly, no provision has been made for Federal income
taxes.

     Other--The financial statements are presented on the accrual basis of
accounting. Any realized gains or losses from securities transactions are
reported on an identified cost basis.

NOTE 2--PORTFOLIO

     Ratings--The source of all ratings, exclusive of those designated N/R, *
or # is Standard & Poor's Corporation. Ratings marked * are by Moody's
Investors Service, Inc. and ratings marked # are by Fitch Investors Service,
Inc. The ratings shown represent the latest published ratings of the Bonds.
For a brief description of rating symbols and their related meanings, see
"Description of Securities Ratings" in Part Two.

     Redemption Feature--There is shown under this heading the year in which
each issue of Bonds is initially or currently callable and the call price for
that year. Each issue of Bonds continues to be callable at declining prices
thereafter (but not below par value) except for original issue discount Bonds
which are redeemable at prices based on the issue price plus the amount of
original issue discount accreted to redemption date plus, if applicable, some
premium, the amount of which will decline in subsequent years. `S.F.'
indicates a sinking fund is established with respect to an issue of Bonds.
Redemption pursuant to call provisions generally will, and redemption pursuant
to sinking fund provisions may, occur at times when the redeemed Bonds have an
offering side evaluation which represents a premium over par. To the extent
that the Bonds were deposited in a Trust at a price higher than the price at
which they are redeemed, this will represent a loss of capital when compared
with the original Public Offering Price of the Units. Conversely, to the
extent that_the Bonds were acquired at a price lower than the redemption
price, this will represent an increase in capital when compared with the
original Public Offering Price of the Units. Distributions will generally be
reduced by the amount of the income which would otherwise have been paid with
respect to redeemed Bonds and there will be distributed to Unitholders the
principal amount in excess of $1 per Unit semi-annually and any premium
received on such redemption. However, should the amount available for
distribution in the Principal Account exceed $10.00 per Unit, the Trustee will
make a special distribution from the Principal Account on the next succeeding
monthly distribution date to holders of record on the related monthly record
date. The Estimated Current Return in this event may be affected by such
redemptions. For the Federal tax effect on Unitholders of such redemptions and
resultant distributions, see paragraph (3) under "Federal Tax Status of the
Trusts" and "Annual Unit Income and Estimated Current Returns" in Part
Two.



                                                                       Page 23
<PAGE>

NOTE 2--PORTFOLIO (continued)

     Insurance--Insurance coverage providing for the timely payment when due
of all principal and interest on the Bonds in the Trusts has been obtained by
the Trusts or by one of the Preinsured Bond Insurers (as indicated in the Bond
name). Such insurance does not guarantee the market value of the Bonds or the
value of the Units. For Bonds covered under the Trust's insurance policy the
insurance is effective only while Bonds thus insured are held in the Trusts
and the insurance premium, which is a Trust obligation, is paid on a monthly
basis. The premium for insurance which has been obtained from various
insurance companies by the issuer of the Bond involved is payable by the
issuer. Insurance expense for the period reflects adjustments for redeemed or
sold Bonds.

     An Accounting and Auditing Guide issued by the American Institute of
Certified Public Accountants states that, for financial reporting purposes,
insurance coverage of the type acquired by the Trust does not have any
measurable value in the absence of default of the underlying Bonds or
indication of the probability of such default. In the opinion of the
Evaluator, there is no indication of a probable default of Bonds in the
portfolio as of the date of these financial statements.

     Unrealized Appreciation and Depreciation--An analysis of net unrealized
appreciation (depreciation) at December 31, 1993 is as follows:

<TABLE>
<CAPTION>
                                               Series 27         Series 28          Series 29         Series 30
                                           ----------------- ------------------ ----------------- -----------------
<S>                                        <C>               <C>                <C>               <C>
Unrealized Appreciation                    $        616,453  $        647,204   $      1,891,601  $      1,011,444
Unrealized Depreciation                             (31,883)         (102,720)           (52,142)          (98,585)
                                           ----------------- ------------------ ----------------- -----------------
                                           $        584,570  $        544,484   $      1,839,459  $        912,859
                                           ================= ================== ================= =================
</TABLE>

NOTE 3--OTHER

     Marketability--Although it is not obligated to do so, the Sponsor intends
to maintain a market for Units and to continuously offer to purchase Units at
prices, subject to change at any time, based upon the aggregate bid price of
the Bonds in the portfolio of each Trust, plus interest accrued to the date of
settlement. If the supply of Units exceeds demand, or for other business
reasons, the Sponsor may discontinue purchases of Units at such prices. In the
event that a market is not maintained for the Units, a Unitholder desiring to
dispose of his Units may be able to do so only by tendering such Units to the
Trustee for redemption at the redemption price.

     Cost to Investors--The cost to original investors was based on the
Evaluator's determination of the aggregate offering price of the Bonds per
Unit on the date of an investor's purchase, plus a sales charge of 4.9% of the
public offering price which is equivalent to 5.152% of the aggregate offering
price of the Bonds. The secondary market cost to investors is based on the
Evaluator's determination of the aggregate bid price of the Bonds per Unit on
the date of an investor's purchase plus a sales charge based upon the years to
average maturity of the Bonds in the portfolio. The sales charge ranges from
1.5% of the public offering price (1.523% of the aggregate bid price of the
Bonds) for a Trust with a portfolio with less than two years to average
maturity to 5.7% of the public offering price (6.045% of the aggregate bid
price of the Bonds) for a Trust with a portfolio with sixteen or more years to
average maturity.

     Compensation of Evaluator--The Evaluator receives an annual fee for
regularly evaluating the Trust's portfolio. The fee may be adjusted for
increases under the category "All Services Less Rent of Shelter" in the
Consumer Price Index.


[NAME]                 NAT_94
[CIK]                  896669
[CCC]                  XXXXXXXX
[/MODULE]

                  Contents of Post-Effective Amendment
                        to Registration Statement
     
     This   Post-Effective   Amendment  to  the  Registration   Statement
comprises the following papers and documents:


                            The facing sheet


                             The prospectus


                             The signatures


                 The Consent of Independent Accountants

                               Signatures
     
     Pursuant  to  the requirements of the Securities Act  of  1933,  the
Registrant, Insured Municipals Income Trust, Series 27, certifies that it
meets  all  of  the  requirements for effectiveness of this  Registration
Statement  pursuant to Rule 485(b) under the Securities Act of  1933  and
has  duly  caused  this  Post-Effective  Amendment  to  its  Registration
Statement  to  be signed on its behalf by the undersigned thereunto  duly
authorized, and its seal to be hereunto affixed and attested, all in  the
City of Chicago and State of Illinois on the 25th day of April, 1994.
                                    
                                    Insured Municipals Income Trust,
                                       Series 27
                                      (Registrant)
                                    
                                    By Van Kampen Merritt Inc.
                                      (Depositor)
                                    
                                    
                                    By Sandra A. Waterworth
                                       Vice President

(Seal)
     
     Pursuant  to  the requirements of the Securities Act of  1933,  this
Post  Effective Amendment to the Registration Statement has  been  signed
below by the following persons in the capacities on April 25, 1994:

 Signature                  Title

John C. Merritt       Chairman, Chief Executive )
                      Officer and Director      )
                                                )
William R. Rybak      Senior Vice President and )
                      Chief Financial Officer   )
                                                )
Ronald A. Nyberg      Director                  )
                                                )
William R. Molinari   Director                  )
                                                ) Sandra A. Waterworth
                                                )  (Attorney in Fact)*
____________________

*    An executed copy of each of the related powers of attorney was filed
     with  the Securities and Exchange Commission in connection with  the
     Registration  Statement  on  Form S-6 of Insured  Municipals  Income
     Trust,  113th Insured Multi-Series (File No. 33-46036) and the  same
     are hereby incorporated herein by this reference.


           Consent of Independent Certified Public Accountants
     
     We  have  issued  our  report dated March 4, 1994  accompanying  the
financial statements of Insured Municipals Income Trust, Series 27 as  of
December 31, 1993, and for the period then ended, contained in this Post-
Effective Amendment No. 16 to Form S-6.
     
     We  consent  to the use of the aforementioned report  in  the  Post-
Effective  Amendment and to the use of our name as it appears  under  the
caption "Auditors".



                                        Grant Thornton



Chicago, Illinois
April 25, 1994


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