STC SA2940NM

Hnited Starts of Slatrica Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA2940NM This certificate issued to: Thompson Aero Products Purt 23 of the Federal Aviation Regulations:

Original Product - Type bertificate Number AZOCE Make: Cessna Model: 177RG Description of Type Design Change: Fabrication and installation of external hinged-plate spoilers and dive brakes in accordance with FAA sealed Thompson Aero Product:

Production Drawing List Number DRC-177-P, dated May 24, 1985, or later FAA approved revision.

The approval of this change in type design applies to basic timilations andbendilins: Cessna Model 177RG airplanes only. This approval should not be extended to other airplanes of this model on which other previously approved modifications are incorporated unless it is determined by the installer that the modifications will introduce no adverse effect on the airworthiness of that aircraft.

Airplanes equipped with this modification must be operated in accordance with the FAA approved Supplemental Airplane Flight Manual dated June 3, 1985, or later FAA approved revision, a copy of which must be carried in the modified airplane at all

Date of Application: June 30, 1984 Jute missued.

L'ale ef issuance: June 3, 1985 Date Amended:

FEDERAL AVIATION By Direction of the Administrator Kelateman (Signature) TOMINIS TRANOR Manager, Seattle Aircraft Certification Office (Title) 47