STC SA01499SE

Number SA01499SE

This certificate, issued to Gold Coast Aviation Service Inc.

45 Mortensen Avenue - Municipal Airport Salinas, CA 93905

Part 3 of the Civil Aviation Regulations.

Original Product⎯Type Certificate Number: A-799 Make: Cessna Model: 170A, 170B

Description of the Type Design Change: Remove a Hartzell model HC-C2YR-1B/7666-2 propeller on the above model aircraft, and install a McCauly model B3D36C424/74SA-0 propeller per Gold Coast Aviation Service Inc. Report GCA170-2-04, Revision 0, dated November 22, 2004, or later FAA approved revision to this report.

Limitations and Conditions: In order for an airplane to be eligible for modification under this STC, Avcon STC SA806CE must either have been incorporated on the subject airplane, or must be incorporated concurrently.

Approval of this change in type design applies to the above model airplanes only. This approval should not be extended to other airplanes on which other previously approved modifications, including changes in type design, will introduce no adverse effect upon the airworthiness of that airplane. A copy of this certificate and Airplane Flight Manual Supplement GCA170-3-04 dated January 7, 2005 or later FAA approved revision must be maintained as part of the permanent records for the modified airplane. The propeller must be maintained in accordance with the approved manufacturer’s manual, and other approved instructions.

If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

This certificate and the supporting data which is the ba sis for approval shall remain in effect until surrendered, suspended, revoked, or a termination date is otherwise established by the Administrator of the Federal Aviation Administration.

Date of application: September 22, 2004 Date reissued:

Date of issuance: January 18, 2005 Date amended:

(Signature) Acting Manager, Seattle Aircraft Certification Office (Title)