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: 14

STC Holder: Pan American World Airways Inc. Int'l Airport, San Francisco, CA 94119, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-124	Status: Historical	App Date:	Rev Date:
Description: Station 122 bulkhead.
TC Nos.: 4A10
Models: McDonnell Douglas CorporationDC-7 Series
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Pan American World Airways Inc. Int'l Airport, San Francisco, CA 94119, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-175	Status: Historical	App Date:	Rev Date:
Description: Hamilton Standard 34E60/7015-2 propellers and increase in take-off and landing weights.
TC Nos.: A-812
Models: The Boeing Company377
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Pan American World Airways Inc. P.O. Box 817, Miami, FL 33159, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-218	Status: Historical	App Date:	Rev Date:
Description: Windows in fuselage.
TC Nos.: 6A3, 6A4, A-781
Models: McDonnell Douglas CorporationDC-6, DC-6 Series, DC-6B (Navy R6D-1Z)
ACO: Atlanta ACO Branch, Tel: +1 (404) 474-5500

STC Holder: Pan American World Airways Inc. Int'l Airport, San Francisco, CA 94119, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-384	Status: Historical	App Date:	Rev Date:
Description: Deterjet DJ-1015E valve between governor and nose cap mounting pad.
TC Nos.: A-812
Models: The Boeing Company377
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Pan American World Airways Inc. Int'l Airport, San Francisco, CA 94119, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-416	Status: Historical	App Date:	Rev Date:
Description: Deterjet DJ-1015E valve between governor and nose case mounting pad.
TC Nos.: A-812
Models: The Boeing Company377
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Pan American World Airways Inc. Int'l Airport, San Francisco, CA 94119, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-507	Status: Historical	App Date:	Rev Date:
Description: Deterjet DJ1025 valve in place of Wright torquemeter booster pump upper housing per STC SEW-10.
TC Nos.: 4A10
Models: McDonnell Douglas CorporationDC-7 Series
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Pan American World Airways Inc. Int'l Airport, San Francisco, CA 94119, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-54	Status: Historical	App Date:	Rev Date:
Description: Passenger/cargo interior arrangement configurations.
TC Nos.: 4A10
Models: McDonnell Douglas CorporationDC-7 Series
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Pan American World Airways Inc. Int'l Airport, San Francisco, CA 94119, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-690	Status: Historical	App Date:	Rev Date:
Description: Removable flight cradle assemblies on aft side of bulkheads.
TC Nos.: 4A21, 4A26
Models: The Boeing Company707 Series, 707 Series
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Pan American World Airways Inc. R.G.V. Int'l Arpt, Brownsville, TX 78520, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-704	Status: Historical	App Date:	Rev Date:
Description: Carburetor air scoop and fairing assembly for aircraft with Pratt& Whitney R-1830-94 engines.
TC Nos.: A-669
Models: McDonnell Douglas CorporationDC-3 Series
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140

STC Holder: Pan American World Airways Inc. Int'l Airport, San Francisco, CA 94119, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-709	Status: Historical	App Date:	Rev Date:
Description: Passenger cabin interior and weight reduction modification.
TC Nos.: A-812
Models: The Boeing Company377
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Pan American World Airways Inc. Int'l Airport, San Francisco, CA 94119, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-717	Status: Historical	App Date:	Rev Date:
Description: Removal of No. 3 generator system and one refrigeration system.
TC Nos.: A-812
Models: The Boeing Company377
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Pan American World Airways Inc. 200 Park Avenue, New York, NY 10017, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST701SO-D	Status: Current	App Date:	Rev Date: 06/10/1969
Description: Installation of alternate inertial navigation system control display unit. Limited to aircraft N870PA, S/N 20016; N871PA, S/N 20017; N872PA, S/N 20018. (707-326C)
TC Nos.: 4A26
Models: The Boeing Company707
ACO: AIR-750: East Certification Branch NY

STC Holder: Pan American World Airways Inc. 200 Park Avenue, New York, NY 10017, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST702SO-D	Status: Current	App Date:	Rev Date: 11/15/1968
Description: Installation of Bendix FINDS. Limited to aircraft N421PA S/N 19266. (707-321B)
TC Nos.: 4A26
Models: The Boeing Company707
ACO: AIR-750: East Certification Branch NY

STC Holder: Pan American World Airways Inc. 200 Park Avenue, New York, NY 10017, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST707SO-D	Status: Current	App Date:	Rev Date: 10/10/1969
Description: Modified aircraft to incorporate Emerson engine performance monitoring system, aircraft S/N 19363, N428PA. (707-321B)
TC Nos.: 4A26
Models: The Boeing Company707
ACO: AIR-750: East Certification Branch NY