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: 7

STC Holder: Dee Howard Co P.O. Box 16216, San Antonio, TX 78205, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1879SW	Status: Historical	App Date:	Rev Date: 06/07/1974
Description: Engine thrust reversers.
TC Nos.: A2SW
Models: Israel Aircraft Industries Ltd.1121, 1121A, 1121B
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140

STC Holder: Dee Howard Co P.O. Box 17300, San Antonio, TX 78217, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3656SW	Status: Historical	App Date:	Rev Date: 10/29/1986
Description: Installation of Dee Howard TR5000BA thrust reverser kit SK54-002 and up.
TC Nos.: A3EU
Models: Raytheon Aircraft CompanyBAe.125 Series 800A (C-29A; U-125)
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140

STC Holder: Dee Howard Co P.O. Box 17300, San Antonio, TX 78217, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4836SW	Status: Historical	App Date:	Rev Date: 01/03/1989
Description: TR4000 thrust reversers installation.
TC Nos.: A10CE
Models: Learjet Inc.Learjet 31, Learjet 35, Learjet 36, Learjet 36A
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140

STC Holder: Dee Howard Co P.O. Box 469001, San Antonio, TX 78246, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA7673SW	Status: Historical	App Date:	Rev Date: 04/23/1991
Description: Installation of pinned TR5020 thrust reversers.
TC Nos.: A7EU
Models: Dassault-AviationMystere-Falcon 20-C5, Mystere-Falcon 20-D5, Mystere-Falcon 20-E5, Mystere-Falcon 20-F5
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140

STC Holder: Dee Howard Co P.O. Box 469001, San Antonio, TX 78246, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA7942SW	Status: Current	App Date: 02/02/1990	Rev Date: 11/20/1996
Description: Installation of Collins dual electronic flight instrument system (EFIS) 86U-12, Smiths dual air data system, Sundstrand ground proximity warning system (GPWS) Mark VII, Marathon 22 A-h Nicad battery, and other flight instrument systems
TC Nos.: A3WE
Models: The Boeing Company727-100C Series, 727-200 Series, 727C Series
ACO: AIR-760: Central Certification Branch FTW

STC Holder: Dee Howard Co P.O. Box 469001, San Antonio, TX 78246, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA8106SW	Status: Current	App Date: 02/02/1990	Rev Date: 11/26/1996
Description: Installation of Collins Dual-86U EFIS, Dual Air Data ADC-85, Autopilot Flight Director-Collins APS-85, LTN-92 INS, Sundstrand Mark VII GPWS (Windshear disabled), also including 3-axis flight control system, pitch rate cutout, and other modifications.
TC Nos.: 4A25
Models: McDonnell Douglas CorporationDC-8-71, DC-8-71F, DC-8-73, DC-8-73F
ACO: AIR-760: Central Certification Branch FTW

STC Holder: Dee Howard Co P.O. Box 469001, San Antonio, TX 78246, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA8472SW	Status: Historical	App Date:	Rev Date: 08/01/1994
Description: Installation of Rolls Royce Model TAY 651-54 engines and TR6510 thrust reversers. (727-62C, -25C, -173C, -30C, -108C, -185C, -31C, -22C, -180C, -27C, -51C)
TC Nos.: A3WE
Models: The Boeing Company727
ACO: AIR-760: Central Certification Branch FTW