Type certificate A31NM
Held today by International Air Response (Iar), earlier by Lockheed Aircraft CORP., Hemet Valley Flying Service. It covers 2 models; about 18 aircraft on the U.S. register are built to it. Last revised June 5, 2026 (revision 6). 9 FAA orders name its designs, and 2 approved modifications build on it.
Models under this certificate 2
C-130A, Allison turboprop T-56-A9D
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 9 · newest first
2025-05-152025-07-01 · Air Data Computer · instruments and avionics
2024-01-242024-01-02 · Fuselage · airframe structure
2023-11-212023-22-06 · Powerplant · engine
2023-07-112023-11-10 · Fuselage · airframe structure
2023-05-312023-09-13 · Wings · airframe structure
2021-06-012021-09-15 · Wings · airframe structure
2020-02-282019-25-20 · Flight controls · engine
2019-10-112019-18-09 · Wings · airframe structure
Approved modifications 2 · companies holding the most
Source: FAA type certificate data sheets (Dynamic Regulatory System); register counts from the FAA register of October 21, 2026. Connections as data: /graph/certificate/A31NM.json.