Type certificate 1H12
Held today by Boeing Defense & Space Group, earlier by The Boeing Company, Vertol Division. It covers 4 models. Last revised May 15, 1971 (revision 8). 7 approved modifications build on it.
Models under this certificate 4
44B, 44A, 42A, 42B
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 7 · 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/1H12.json.