STC SR00316SE

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SR00316SE This certificate issued to: Columbia Helicopters P.O Box 3500 Portland, OR 97208 Part 21.25(a)(2) and (b)of the Federal Aviation Regutations Original Product -Type Cerlificate Number: H40NM Make: Sikorsky Model: CH-54A, Restricted Category only Description of Type Design Change: . Fabrication and Installation of an externally mounted equipment shelf in accordance with an FAA approved copy of Columbia Drawing List No. C54-5, dated February 26, 1996, or later FAA approved revision.

Limitations and Conditions: Approval of this change in type design applies to basic Sikorsky Model CH-54A helicopters as defined on Restricted Category Type Certificate No. H40NM. This approval should not be extended to aircraft of this model on which other previously approved modifications are incorporated unless it is determined by the installer that the relationship between this change and any of those other previously approved modifications, including changes in type design, will introduce no adverse effect upon the airworthiness of that rotorcraft.

Rotorcraft equipped with this equipment shelf must be operated in accordance with Columbia Rotorcraft Flight Manual Supplement No. 95028005, dated March 14, 1996, or later FAA approved revision.

Date of Application: December 15, 1995 Date Reissued:

Date of Issuance: March 14, 1996 Date Amended:

FEDERAL AVIATION By Direction of the Administrator ) (Signature) *OMINIST RATION Acting Manager, Seattle Aircraft Certification Office (Title)