STC SH5963NM

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SH5963NM This certificate issued to: Transwestern Helicopters, Inc.

Purt 6 of the CiVII Air Regulations:

Original Product -Type bertificate Number: H3WE Make: Hughes (McDonnell Douglas Helicopter Company) Model: 3690 Description of Type Design Change: Installation of side pull hook system in accordance with Drawing TWI, Revision 2, dated March 15, 1993, Drawing TW2, no revision, dated March 15, 1993, and Drawing TW3, no revision, dated March 15, 1993.

Limitations and Conditions: Data pertaining to this modification are considered inadequate for other aircraft. This approval is limited to the installation in Hughes Model 3690, Serial No. 317D only. A copy of this Certificate, Continuation Sheet and FAA Approved Flight Manual Supplement dated May 26, 1993, must be maintained as part of the permanent Records for the modified aircraft.

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Date of Application: August 19, 1991 Jule wissued:

May 28, 1993

FEDERAL AVIATION (Signature) TONIN STRAND Acting Manager, Special Certification Branch Seattle Aircraft Certification Office (Title)

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48110-2(10-68)

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number SH5963NM Limitations and Conditions: (Continued):

The conditions and limitations of the Type Certificate Data Sheet No. H3WE apply except where superseded by the following:

Load Limitations: Side pull hook is limited to 1000 pounds maximum load with a maximum fore or aft component of 670 pounds.

Regired Placards: Adjacent to side pull hook:

"SIDE PULL HOOK LOAD LIMIT 1000 LBS" Types of Operation: The helicopter must be operated in the restricted category with the side pull hook installed. External load operations using the side pull hook must be conducted in accordance

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PAGE OF PAGES C FAA AC 82-03578