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STC Holder: On Mark Engineering Co

The Aviation DataBase -- STC Selection System
Aviation DataSource, Inc.

No. of STCs: 21

STC Holder: On Mark Engineering Co
Address: 7929 Hayvenhurst, Van Nuys, CA 91408, United States
Contact us to have your company added here!
STC No.: SA1552WEStatus: HistoricalApp Date: Rev Date: 01/01/1960
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
Installation of stack assembly exhaust.
STC Holder: On Mark Engineering Co
Address: 7929 Hayvenhurst, Van Nuys, CA 91408, United States
Contact us to have your company added here!
STC No.: SA4-1219Status: HistoricalApp Date: Rev Date:
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
Fuselage pressurization, higher horsepower engines and nose wheel steering modification and autopilot installation.
STC Holder: On Mark Engineering Co
Address: 7929 Hayvenhurst, Van Nuys, CA 91408, United States
Contact us to have your company added here!
STC No.: SA4-1219Status: HistoricalApp Date: Rev Date: 01/01/1960
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
Fuselage pressurization, higher horsepower engines and nose wheel steering modification and autopilot installation.
STC Holder: On Mark Engineering Co
Address: 7929 Hayvenhurst, Van Nuys, CA 91408, United States
Contact us to have your company added here!
STC No.: SA4-1470Status: HistoricalApp Date: Rev Date:
TC Nos.: 2-548, 785,
Models:
General Dynamics Corporation:
28-5ACF, PBY-5A (Army OA-10A)
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200
Alclad sheet .020 2024-T3.
STC Holder: On Mark Engineering Co
Address: 7929 Hayvenhurst, Van Nuys, CA 91408, United States
Contact us to have your company added here!
STC No.: SA4-1470Status: HistoricalApp Date: Rev Date: 01/01/1960
TC Nos.: 2-548, 785,
Models:
General Dynamics Corporation:
28-5ACF, PBY-5A (Army OA-10A)
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200
Alclad sheet .020 2024-T3.
STC Holder: On Mark Engineering Co
Address: 7929 Hayvenhurst, Van Nuys, CA 91408, United States
Contact us to have your company added here!
STC No.: SA4-240Status: HistoricalApp Date: Rev Date:
TC Nos.: 2A4,
Models:
Twin Commander Aircraft Corporation:
680 Series
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200
Electric hydraulic pump.
STC Holder: On Mark Engineering Co
Address: 7929 Hayvenhurst, Van Nuys, CA 91408, United States
Contact us to have your company added here!
STC No.: SA4-240Status: HistoricalApp Date: Rev Date: 01/01/1960
TC Nos.: 2A4,
Models:
Twin Commander Aircraft Corporation:
680 Series
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200
Electric hydraulic pump.
STC Holder: On Mark Engineering Co
Address: 7929 Hayvenhurst, Van Nuys, CA 91408, United States
Contact us to have your company added here!
STC No.: SA4-385Status: HistoricalApp Date: Rev Date: 01/01/1960
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
103-inch plastic and metal nose.
STC Holder: On Mark Engineering Co
Address: 7929 Hayvenhurst, Van Nuys, CA 91408, United States
Contact us to have your company added here!
STC No.: SA4-385Status: HistoricalApp Date: Rev Date:
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
103-inch plastic and metal nose.
STC Holder: On Mark Engineering Co
Address: 7929 Hayvenhurst, Van Nuys, CA 91408, United States
Contact us to have your company added here!
STC No.: SA4-386Status: HistoricalApp Date: Rev Date: 01/01/1960
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
Jato installation in nacelles.
STC Holder: On Mark Engineering Co
Address: 7929 Hayvenhurst, Van Nuys, CA 91408, United States
Contact us to have your company added here!
STC No.: SA4-386Status: HistoricalApp Date: Rev Date:
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
Jato installation in nacelles.
STC Holder: On Mark Engineering Co
Address: 7929 Hayvenhurst, Van Nuys, CA 91408, United States
Contact us to have your company added here!
STC No.: SA4-470Status: HistoricalApp Date: Rev Date: 01/01/1960
TC Nos.: A-793,
Models:
Tracor Flight Systems Inc.:
240 Series
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200
ADF loop.
STC Holder: On Mark Engineering Co
Address: 7929 Hayvenhurst, Van Nuys, CA 91408, United States
Contact us to have your company added here!
STC No.: SA4-470Status: HistoricalApp Date: Rev Date:
TC Nos.: A-793,
Models:
Tracor Flight Systems Inc.:
240 Series
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200
ADF loop.
STC Holder: On Mark Engineering Co
Address: 7929 Hayvenhurst, Van Nuys, CA 91408, United States
Contact us to have your company added here!
STC No.: SA4-474Status: HistoricalApp Date: Rev Date: 01/01/1960
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
Collins AP101 automatic pilot system.
STC Holder: On Mark Engineering Co
Address: 7929 Hayvenhurst, Van Nuys, CA 91408, United States
Contact us to have your company added here!
STC No.: SA4-474Status: HistoricalApp Date: Rev Date:
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
Collins AP101 automatic pilot system.
STC Holder: On Mark Engineering Co
Address: 7929 Hayvenhurst, Van Nuys, CA 91408, United States
Contact us to have your company added here!
STC No.: SA4-529Status: HistoricalApp Date: Rev Date:
TC Nos.: 2-576,
Models:
Douglas Aircraft Co. Inc.:
Army B-23, Army UC-67
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200
Short engine exhaust stacks and modified nacelle and exhaust shroud on aircraft equipped with Wright R-2600-29 engines.
STC Holder: On Mark Engineering Co
Address: 7929 Hayvenhurst, Van Nuys, CA 91408, United States
Contact us to have your company added here!
STC No.: SA4-529Status: HistoricalApp Date: Rev Date: 01/01/1960
TC Nos.: 2-576,
Models:
Douglas Aircraft Co. Inc.:
Army B-23, Army UC-67
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200
Short engine exhaust stacks and modified nacelle and exhaust shroud on aircraft equipped with Wright R-2600-29 engines.
STC Holder: On Mark Engineering Co
Address: 7929 Hayvenhurst, Van Nuys, CA 91408, United States
Contact us to have your company added here!
STC No.: SA4-606Status: HistoricalApp Date: Rev Date:
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
Air conditioner.
STC Holder: On Mark Engineering Co
Address: 7929 Hayvenhurst, Van Nuys, CA 91408, United States
Contact us to have your company added here!
STC No.: SA4-606Status: HistoricalApp Date: Rev Date: 01/01/1960
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
Air conditioner.
STC Holder: On Mark Engineering Co
Address: 7929 Hayvenhurst, Van Nuys, CA 91408, United States
Contact us to have your company added here!
STC No.: SA692WEStatus: HistoricalApp Date: Rev Date:
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
Modification consists of spar reinforcements.
STC Holder: On Mark Engineering Co
Address: 7929 Hayvenhurst, Van Nuys, CA 91408, United States
Contact us to have your company added here!
STC No.: SA692WEStatus: HistoricalApp Date: Rev Date: 01/01/1960
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
Modification consists of spar reinforcements.