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: 17

STC Holder: Ohio Aviation Co P.O. Box 305, Vandalia, OH 45377, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1-121	Status: Current	App Date:	Rev Date:
Description: Airspeed pitots on each wing tip and flush button static system located in nose of fuselage.
TC Nos.: A-723
Models: Lockheed Aircraft CorporationLockheed 18
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Ohio Aviation Co P.O. Box 305, Vandalia, OH 45377, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1-138	Status: Current	App Date:	Rev Date:
Description: Airspeed pitots and flush button static system.
TC Nos.: A-723
Models: Lockheed Aircraft CorporationLockheed 18
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Ohio Aviation Co P.O. Box 305, Vandalia, OH 45377, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1-139	Status: Current	App Date:	Rev Date:
Description: Windshield from a four-place to a two-piece glass.
TC Nos.: 616
Models: Lockheed Aircraft Corporation12-A (Army UC-40), 12-A (Army UC-40A), 12-A (Navy JO-1), 12-A (Navy JO-2)
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Ohio Aviation Co P.O. Box 305, Vandalia, OH 45377, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1-166	Status: Current	App Date:	Rev Date:
Description: Two-piece windshield.
TC Nos.: A-723
Models: Lockheed Aircraft CorporationLockheed 18
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Ohio Aviation Co P.O. Box 305, Vandalia, OH 45377, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1-172	Status: Current	App Date:	Rev Date:
Description: General Electric 2CM80B5 200-amper generators on aircraft with Wright 704C9GC1 engines.
TC Nos.: A-723
Models: Lockheed Aircraft CorporationLockheed 18
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Ohio Aviation Co P.O. Box 305, Vandalia, OH 45377, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1-262	Status: Current	App Date:	Rev Date:
Description: Bendix Pioneer 9100-17-C1 fuel flow meter system.
TC Nos.: 5A3
Models: Raytheon Aircraft Company50 Series
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Ohio Aviation Co P.O. Box 305, Vandalia, OH 45377, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1-409	Status: Current	App Date:	Rev Date:
Description: Sperry A-12 gyropilot.
TC Nos.: A-723
Models: Lockheed Aircraft CorporationLockheed 18
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Ohio Aviation Co P.O. Box 305, Vandalia, OH 45377, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1-58	Status: Current	App Date:	Rev Date: 01/01/1960
Description: Picture windows.
TC Nos.: A-723
Models: Lockheed Aircraft CorporationLockheed 18
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Ohio Aviation Co P.O. Box 305, Vandalia, OH 45377, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1-68	Status: Current	App Date:	Rev Date: 01/01/1960
Description: Dual Wilcox ADF radio loop antenna.
TC Nos.: 2A4
Models: Twin Commander Aircraft Corporation680 Series
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Ohio Aviation Co P.O. Box 305, Vandalia, OH 45377, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1-72	Status: Current	App Date:	Rev Date: 01/01/1996
Description: Three-place seat.
TC Nos.: A-807
Models: The de Havilland Aircraft Co. Ltd (England)DH 104 Dove Series
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Ohio Aviation Co P.O. Box 305, Vandalia, OH 45377, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1-73	Status: Current	App Date:	Rev Date: 01/01/1961
Description: 39-gallon auxiliary fuel tank in cabin with 3-place seat per STC SA1-72.
TC Nos.: A-807
Models: The de Havilland Aircraft Co. Ltd (England)DH 104 Dove Series
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Ohio Aviation Co P.O. Box 305, Vandalia, OH 45377, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1-87	Status: Current	App Date:	Rev Date: 01/01/1960
Description: South Wind cabin heater 940.
TC Nos.: A-723
Models: Lockheed Aircraft CorporationLockheed 18
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Ohio Aviation Co P.O. Box 305, Vandalia, OH 45377, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1-99	Status: Current	App Date:	Rev Date: 01/01/1961
Description: Modification of three-place divan to four-place divan.
TC Nos.: A-723
Models: Lockheed Aircraft CorporationLockheed 18
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Ohio Aviation Co P.O. Box 305, Vandalia, OH 45377, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA158EA	Status: Historical	App Date:	Rev Date:
Description: Autopilot T-3 and altitude hold AH-1 as an accessory item.
TC Nos.: 5A4
Models: Raytheon Aircraft Company50 Series
ACO: Chicago ACO Branch, Tel: +1 (847) 294-7358

STC Holder: Ohio Aviation Co P.O. Box 305, Vandalia, OH 45377, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA158EA	Status: Current	App Date:	Rev Date: 01/01/1960
Description: Autopilot T-3 and altitude hold AH-1 as an accessory item.
TC Nos.: 5A4
Models: Raytheon Aircraft Company50 Series
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Ohio Aviation Co P.O. Box 305, Vandalia, OH 45377, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA201EA	Status: Current	App Date:	Rev Date: 01/01/1960
Description: Sperry SP 3 elevator trim drive servo and trim tab bracket.
TC Nos.: 3A20
Models: Raytheon Aircraft Company65 Series
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Ohio Aviation Co P.O. Box 305, Vandalia, OH 45377, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA201EA	Status: Historical	App Date:	Rev Date:
Description: Sperry SP 3 elevator trim drive servo and trim tab bracket.
TC Nos.: 3A20
Models: Raytheon Aircraft Company65 Series
ACO: Chicago ACO Branch, Tel: +1 (847) 294-7358