Type certificate P56GL
Held today by Hartzell Propeller LLC. It covers 2 models. Last revised April 3, 2025 (revision 11). 1 approved modification build on it.
Models under this certificate 2
HC-B4MN-5, HC-B4MP-3
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 1 · 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/P56GL.json.