Type certificate 1A7
Held today by Martin-Marietta Corporation. It covers 1 model; about 5 aircraft on the U.S. register are built to it. Last revised June 1, 1978 (revision 10). 21 FAA orders name its designs, and 60 approved modifications build on it.
Models under this certificate 1
404
On this site
The data sheet on the FAA's site: the approved engines and propellers, weights, speeds and limits for each model.
FAA orders on these designs 21 · newest first
1977-08-3077-17-12 · Wing Spar Chord Splice Joints · airframe structure
1971-05-0471-09-06 · Cracks In Main Gear Gland Nut · landing gear
1967-06-2067-19-04 · Engine Mount · engine
1967-04-2867-14-06 · Wing Inspection · airframe structure
1966-08-1966-19-03 · Landing Gear Cylinder Strut · engine
1966-04-1066-08-04 · Nose Landing Gear · landing gear
1964-03-0164-03-03 · Blades · propeller
1963-11-2163-24-02 · Wing Spar Caps And Eal Doublers · airframe structure
Approved modifications 60 · companies holding the most
Source: FAA type certificate data sheets (Dynamic Regulatory System); register counts from the FAA register of October 7, 2026. Connections as data: /graph/certificate/1A7.json.