Type certificate 6A1
Held today by Twin Commander Aircraft LLC, earlier by Twin Commander Aircraft Corporation, Gulfstream\Twin Commander Aircraft Corporation. It covers 9 models. Last revised November 18, 2024 (revision 49). 402 approved modifications build on it.
Models under this certificate 9
500, 500A, 500B, 500U, 520, 560, 560A, 560E, 500S
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 0 · newest first
None in the current files.
Approved modifications 402 · companies holding the most
Source: FAA type certificate data sheets (Dynamic Regulatory System); register counts from the FAA register of October 5, 2026. Connections as data: /graph/certificate/6A1.json.