STC SA1592NM

Traject # 1 104ONMU-DS Department of Transportation Federal Aviation Administration United States of America STC BroK Supplemental Type Certificate Number: SA1592NM This certificate issued to: Combs Gates Denver, inc.

Stapleton International Airport Denver, Colorado 80207 Purt 25 of the Federal Aviation Regulations.

Original Product - Type Certificate Number: A10CE Make: Gates Learjet Model: 35 Description of Type Design Change: tech 8-16 engine. bri Installation of a Novatech TSR-16 engine parameter Time Sequence Recorder in accordance with Combs Gates Denver, Inc. Drawing List D.0. 49580, Revision C, FAA approved August 23, 1984 or later FAA approved revision.

1. Aircraft Flight Manual Supplement for Gates Learjet Model 35 dated August 23, 1984 is required.

2. This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated unless it is determined that the interrelationship between this change and any other previously approved modification will introduce no adverse effect upon the airworthiness of the This ep feate and the superting date which is the has is fur a pr val shell nemein in effich unlit sur rendered, suspended, vevoked, or a termination date is sthervise es tablished by the Administrate r of the Federal Aviation Administration .

Date of Application: November 2, 1983 Date Reissued:

Date of Issuance: August 23, 1984 Jale umended:

FEDERAL AVIATION By Direction of the Administrator Volford Soyee Woodford R. Boyce (Signature) Manager TANISTRAIO Denver Aircraft Certification Office Northwest Mountain Region, Aurora, Colorado (Title)

47.