<DOCUMENT>
<TYPE>EX-99.77Q3 CERT
<SEQUENCE>8
<FILENAME>certification.txt
<TEXT>
MORGAN STANLEY INSURED MUNICIPAL INCOME
TRUST
Exhibit 77Q3:  Certification

(a)(i) The Principal Executive Officer and Principal
Financial Officer of Morgan Stanley Insured Municipal
Income Trust (the "Fund") have evaluated the disclosure
controls and procedures (as defined in Rule 30a-2(c)) of the
Fund within 90 days of the filing date of this Form N-SAR
(the "Effective Date") and they believe that the disclosure
controls and procedures are effective.

(a)(ii)  There have been no significant changes in Morgan
Stanley Insured Municipal Income Trust's internal controls
or in other factors that could significantly affect these
controls subsequent to the date of their evaluation,
including any corrective actions with regard to significant
deficiencies and material weaknesses.

(a)(iii) CERTIFICATIONS

I, Mitchell M. Merin, certify that:

1.   I have reviewed this report on Form N-SAR of Morgan
Stanley Insured Municipal Income Trust;

2.   Based on my knowledge, this report does not contain
any untrue statement of a material fact or omit to state a
material fact necessary to make the statements made, in
light of the circumstances under which such statements
were made, not misleading with respect to the period
covered by this report;

3.   Based on my knowledge, the financial information
included in this report, and the financial statements on
which the financial information is based, fairly present
in all material respects the financial condition, results of
operations, changes in net assets, and cash flows (if the
financial statements are required to include a statement
of cash flows) of the registrant as of, and for, the
periods presented in this report;

4.   The registrants' other certifying officers and I are
responsible for establishing and maintaining disclosure
controls and procedures (as defined in the 30a-2(c)
under the Investment Company Act) for the registrant
and have:

a)   designed such disclosure controls and procedures to
ensure that material information relating to the
registrant, including its consolidated subsidiaries, is
made known to us by others within those entities,
particularly during the period in which this report is
being prepared;

b)   evaluated the effectiveness of the registrant's disclosure
controls and procedures as of a date within 90 days
prior to the filing date of this report (the "Evaluation
Date"); and

c)   presented in this report our conclusions about the
effectiveness of the disclosure controls and procedures
based on our evaluation as of the Evaluation Date;

5.   The registrants' other certifying officers and I have
disclosed, based on our most recent evaluation, to the
registrant's auditors and the audit committee of the
registrant's board of directors (or persons performing
he equivalent functions):

a)   all significant deficiencies in the design or operation of
internal controls which could adversely affect the
registrant's ability to record, process, summarize, and
report financial data and have identified for the
registrant's auditors any material weaknesses in internal
controls; and

b)    any fraud, whether or not material, that involves
management or other employees who have a significant
role in the registrant's internal controls; and

6. The registrant's other certifying officers and I have
indicated in this report whether or not there were
significant changes in internal controls or in other
factors that could significantly affect internal controls
subsequent to the date of our most recent evaluation,
including any corrective actions with regard to
significant deficiencies and material weaknesses.

Date:  December 19, 2002



_____
                    Mitchell M. Merin
                    President and Chief
Executive Officer




(a)(i) The Principal Executive Officer and Principal
Financial Officer of Morgan Stanley Insured Municipal
Income Trust (the "Fund") have evaluated the disclosure
controls and procedures (as defined in Rule 30a-2(c)) of the
Fund within 90 days of the filing date of this Form N-SAR
(the "Effective Date") and they believe that the disclosure
controls and procedures are effective.

(a)(ii)  There have been no significant changes in Morgan
Stanley Insured Municipal Income Trust's internal controls
or in other factors that could significantly affect these
controls subsequent to the date of their evaluation,
including any corrective actions with regard to significant
deficiencies and material weaknesses.

(a)(iii) CERTIFICATIONS

I, Francis Smith, certify that:

6.   I have reviewed this report on Form N-SAR of Morgan
Stanley Insured Municipal Income Trust;

7.   Based on my knowledge, this report does not contain
any untrue statement of a material fact or omit to state a
material fact necessary to make the statements made, in
light of the circumstances under which such statements
were made, not misleading with respect to the period
covered by this report;

8.   Based on my knowledge, the financial information
included in this report, and the financial statements on
which the financial information is based, fairly present
in all material respects the financial condition, results of
operations, changes in net assets, and cash flows (if the
financial statements are required to include a statement
of cash flows) of the registrant as of, and for, the
periods presented in this report;

9.   The registrants' other certifying officers and I are
responsible for establishing and maintaining disclosure
controls and procedures (as defined in the 30a-2(c)
under the Investment Company Act) for the registrant
and have:

d)   designed such disclosure controls and procedures to
ensure that material information relating to the
registrant, including its consolidated subsidiaries, is
made known to us by others within those entities,
particularly during the period in which this report is
being prepared;

e)   evaluated the effectiveness of the registrant's disclosure
controls and procedures as of a date within 90 days
prior to the filing date of this report (the "Evaluation
Date"); and

f)   presented in this report our conclusions about the
effectiveness of the disclosure controls and procedures
based on our evaluation as of the Evaluation Date;

10.  The registrants' other certifying officers and I have
disclosed, based on our most recent evaluation, to the
registrant's auditors and the audit committee of the
registrant's board of directors (or persons performing
he equivalent functions):

c)   all significant deficiencies in the design or operation of
internal controls which could adversely affect the
registrant's ability to record, process, summarize, and
report financial data and have identified for the
registrant's auditors any material weaknesses in internal
controls; and

d)    any fraud, whether or not material, that involves
management or other employees who have a significant
role in the registrant's internal controls; and

6. The registrant's other certifying officers and I have
indicated in this report whether or not there were
significant changes in internal controls or in other
factors that could significantly affect internal controls
subsequent to the date of our most recent evaluation,
including any corrective actions with regard to
significant deficiencies and material weaknesses.

Date:  December 19, 2002



_____
                    Francis Smith
                    Chief Financial Officer



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