Type certificate A28SO
Held today by Day Gene C., earlier by Mcdonnell Douglas. It covers 1 model. Last revised July 31, 2015 (revision 2)..
Models under this certificate 1
R4D-8
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/A28SO.json.