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No. of STCs: 23

STC Holder: Aircraft Technical Service Inc 16300 Stagg Street, Van Nuys, CA 91406, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1323WE	Status: Current	App Date:	Rev Date: 06/01/1970
Description: Fabric on ailerons, elevators, flaps and rudder with pop rivets.
TC Nos.: A-816
Models: The de Havilland Aircraft Co. Ltd (England)DH 114 Heron
ACO: AIR-770: West Certification Branch LA

STC Holder: Aircraft Technical Service Inc 16300 Stagg Street, Van Nuys, CA 91406, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1371WE	Status: Current	App Date:	Rev Date: 01/01/1960
Description: Interior installation.
TC Nos.: A-816
Models: The de Havilland Aircraft Co. Ltd (England)DH 114 Heron; Series 2X
ACO: AIR-770: West Certification Branch LA

STC Holder: Aircraft Technical Service Inc 16300 Stagg Street, Van Nuys, CA 91406, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1371WE	Status: Historical	App Date:	Rev Date:
Description: Interior installation.
TC Nos.: A-816
Models: The de Havilland Aircraft Co. Ltd (England)DH 114 Heron; Series 2X
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Aircraft Technical Service Inc 7120 Hayvenhurst Avenue, Van Nuys, CA 91406, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1534WE	Status: Current	App Date:	Rev Date: 01/01/1960
Description: Installation of engine fire detection and extinguishment systems.
TC Nos.: A-816
Models: The de Havilland Aircraft Co. Ltd (England)DH 114 Heron, DH 114 Heron; Series 2X
ACO: AIR-770: West Certification Branch LA

STC Holder: Aircraft Technical Service Inc 7120 Hayvenhurst Avenue, Van Nuys, CA 91406, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1535WE	Status: Historical	App Date:	Rev Date:
Description: Installation of combustion cabin heater.
TC Nos.: A-816
Models: The de Havilland Aircraft Co. Ltd (England)DH 114 Heron
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Aircraft Technical Service Inc 7120 Hayvenhurst Avenue, Van Nuys, CA 91406, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1535WE	Status: Current	App Date:	Rev Date: 01/01/1960
Description: Installation of combustion cabin heater.
TC Nos.: A-816
Models: The de Havilland Aircraft Co. Ltd (England)DH 114 Heron
ACO: AIR-770: West Certification Branch LA

STC Holder: Aircraft Technical Service Inc 7120 Hayvenhurst Avenue, Van Nuys, CA 91406, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1544WE	Status: Historical	App Date:	Rev Date:
Description: Cockpit modification and generator control.
TC Nos.: A-816
Models: The de Havilland Aircraft Co. Ltd (England)DH 114 Heron, DH 114 Heron; Series 2X
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Aircraft Technical Service Inc 7120 Hayvenhurst Avenue, Van Nuys, CA 91406, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1544WE	Status: Current	App Date:	Rev Date: 01/01/1960
Description: Cockpit modification and generator control.
TC Nos.: A-816
Models: The de Havilland Aircraft Co. Ltd (England)DH 114 Heron, DH 114 Heron; Series 2X
ACO: AIR-770: West Certification Branch LA

STC Holder: Aircraft Technical Service Inc 7120 Hayvenhurst Avenue, Van Nuys, CA 91406, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1545WE	Status: Current	App Date:	Rev Date: 06/25/1968
Description: Installation of cabin interior arrangement, air conditioning equipment, electrically operated air compressors.
TC Nos.: A-816
Models: The de Havilland Aircraft Co. Ltd (England)DH 114 Heron; Series 2A, DH 114 Heron; Series 2DA, DH 114 Heron; Series 2X
ACO: AIR-770: West Certification Branch LA

STC Holder: Aircraft Technical Service Inc 7120 Hayvenhurst Avenue, Van Nuys, CA 91406, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1710WE	Status: Historical	App Date:	Rev Date:
Description: Installation of stair door.
TC Nos.: A-816
Models: The de Havilland Aircraft Co. Ltd (England)DH 114 Heron; Series 2A, DH 114 Heron; Series 2DA, DH 114 Heron; Series 2X
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Aircraft Technical Service Inc 7120 Hayvenhurst Avenue, Van Nuys, CA 91406, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1710WE	Status: Current	App Date:	Rev Date: 01/01/1960
Description: Installation of stair door.
TC Nos.: A-816
Models: The de Havilland Aircraft Co. Ltd (England)DH 114 Heron; Series 2A, DH 114 Heron; Series 2DA, DH 114 Heron; Series 2X
ACO: AIR-770: West Certification Branch LA

STC Holder: Aircraft Technical Service Inc 7120 Hayvenhurst Avenue, Van Nuys, CA 91406, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1826WE	Status: Current	App Date:	Rev Date: 01/01/1960
Description: Installation of 22 occupant interior.
TC Nos.: A-816
Models: The de Havilland Aircraft Co. Ltd (England)DH 114 Heron; Series 2A, DH 114 Heron; Series 2DA, DH 114 Heron; Series 2X
ACO: AIR-770: West Certification Branch LA

STC Holder: Aircraft Technical Service Inc 7120 Hayvenhurst Avenue, Van Nuys, CA 91406, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1826WE	Status: Historical	App Date:	Rev Date:
Description: Installation of 22 occupant interior.
TC Nos.: A-816
Models: The de Havilland Aircraft Co. Ltd (England)DH 114 Heron; Series 2A, DH 114 Heron; Series 2DA, DH 114 Heron; Series 2X
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Aircraft Technical Service Inc 7120 Hayvenhurst Avenue, Van Nuys, CA 91406, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2805WE	Status: Current	App Date:	Rev Date: 01/25/1974
Description: Nickel cadmium battery installation.
TC Nos.: A-816
Models: The de Havilland Aircraft Co. Ltd (England)DH 114 Heron
ACO: AIR-770: West Certification Branch LA

STC Holder: Aircraft Technical Service Inc 7120 Hayvenhurst Avenue, Van Nuys, CA 91406, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2806WE	Status: Current	App Date:	Rev Date: 01/25/1974
Description: Installation of additional emergency exits.
TC Nos.: A-816
Models: The de Havilland Aircraft Co. Ltd (England)DH 114 Heron
ACO: AIR-770: West Certification Branch LA

STC Holder: Aircraft Technical Service Inc 6701 Odessa Avenue, Van Nuys, CA 91406, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3451WE	Status: Current	App Date:	Rev Date: 05/27/1980
Description: Installation of Hartzell HC-A3VK4/V7636D-0 or V7636N-0 constant speed propeller.
TC Nos.: 1A15
Models: The New Piper Aircraft Inc.PA-24-250
ACO: AIR-770: West Certification Branch LA

STC Holder: Aircraft Technical Service Inc 6701 Odessa Avenue, Van Nuys, CA 91406, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4043WE	Status: Current	App Date: 06/22/1977	Rev Date: 10/26/1979
Description: Installation of Continental IO-520-BA engine and McCauley 3A32C propeller.
TC Nos.: A-777
Models: Beechcraft CorporationE35
ACO: AIR-770: West Certification Branch LA

STC Holder: Aircraft Technical Service Inc 6701 Odessa Avenue, Van Nuys, CA 91406, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4187WE	Status: Current	App Date:	Rev Date: 07/15/1980
Description: Installation of provisions for side looking radar.
TC Nos.: 6A6
Models: Tracor Flight Systems Inc.340
ACO: AIR-770: West Certification Branch LA

STC Holder: Aircraft Technical Service Inc 7120 Hayvenhurst Avenue, Van Nuys, CA 91406, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4325WE	Status: Current	App Date:	Rev Date: 04/21/1981
Description: Installation of aft fuselage ballast.
TC Nos.: 6A1
Models: Twin Commander Aircraft Corporation500-A
ACO: AIR-770: West Certification Branch LA

STC Holder: Aircraft Technical Service Inc 7112 Sophia Avenue, Van Nuys, CA 91406, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA5002NM	Status: Historical	App Date:	Rev Date: 09/18/1990
Description: Installation of provisions for side looking radar.
TC Nos.: 6A6
Models: Tracor Flight Systems Inc.340
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Aircraft Technical Service Inc 16543 Arminta Street, Van Nuys, CA 91406, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA926WE	Status: Historical	App Date:	Rev Date:
Description: Spar reinforcements.
TC Nos.: L-3-4
Models: Douglas Aircraft Co. Inc.Army A-26B, Army A-26C
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Aircraft Technical Service Inc 16543 Arminta Street, Van Nuys, CA 91406, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA926WE	Status: Historical	App Date:	Rev Date: 01/01/1960
Description: Spar reinforcements.
TC Nos.: L-3-4
Models: Douglas Aircraft Co. Inc.Army A-26B, Army A-26C
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Aircraft Technical Service Inc 16021 Arminta Street, Van Nuys, CA 91406, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA926WE	Status: Current	App Date: 06/24/1964	Rev Date: 04/22/1965
Description: Modifications consist of spar reinforcements.
TC Nos.: TCS L-3
Models: P. V. ShieldsA-26B (Army), A-26C (Army)
ACO: AIR-770: West Certification Branch LA