The STC search system is a complimentary service provided to the aviation community. We hope you find it useful. We do not provide access to STC engineering. For that you need to contact the STC holder directly. Our primary product is a comprehensive library of aviation regulations and standards, including tools for generating Airworthiness Directive compliance reports.

No. of STCs: 4

STC Holder: ET Engines and Aircraft Services, Inc 1901 E 51st St. Hangar 3, Austin, TX 78723, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4550SW	Status: Historical	App Date:	Rev Date: 07/25/1986
Description: Installation of Pratt & Whitney PT6A-27 or PT6A-28 engines.
TC Nos.: A14CE
Models: Raytheon Aircraft Company99
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140

STC Holder: ET Engines and Aircraft Services, Inc 1901 E 51st St. Hangar 3, Austin, TX 78723, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4705SW	Status: Historical	App Date:	Rev Date: 06/13/1985
Description: Installation of Pratt & Whitney PT6A-27 or PT6A-28 engines.
TC Nos.: 3A20
Models: Raytheon Aircraft Company65-A90, C90
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140

STC Holder: ET Engines and Aircraft Services, Inc 1901 E 51st St. Hangar 3, Austin, TX 78723, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA5460SW	Status: Historical	App Date:	Rev Date: 07/25/1986
Description: Install Pratt & Whitney PT6A-21engines in place of PT6A-20A engines
TC Nos.: 3A20
Models: Raytheon Aircraft CompanyC90
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140

STC Holder: ET Engines and Aircraft Services, Inc 1901 E 51st St. Hangar 3, Austin, TX 78723, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA5461SW	Status: Current	App Date: 05/29/1983	Rev Date: 07/25/1986
Description: Installation of auxiliary engine-driven fuel pump.
TC Nos.: 3A20
Models: Beechcraft CorporationC90
ACO: AIR-760: Central Certification Branch FTW