Type certificate A1GL
Held today by Kal-Aero INC., earlier by Douglas Aircraft CO., INC.. It covers 1 model. Last revised February 1, 1978 (revision 0)..
Models under this certificate 1
AD-4N
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.
Source: FAA type certificate data sheets (Dynamic Regulatory System); register counts from the FAA register of October 23, 2026. Connections as data: /graph/certificate/A1GL.json.