Type certificate P53GL
Held today by Hartzell Propeller INC.. It covers 2 models. Last revised July 28, 1988 (revision 4). 4 approved modifications build on it.
Models under this certificate 2
HC-F4YR-1, HC-F4YR-2
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 4 · 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/P53GL.json.
