Type certificate H2SO
Held today by Marrs Joe G., earlier by Boeing Company, Vertol Division. It covers 1 model. Last revised January 24, 2005 (revision 1)..
Models under this certificate 1
H-21B
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 22, 2026. Connections as data: /graph/certificate/H2SO.json.