Type certificate A-591
Held today by Commonwealth Aircraft INC., earlier by Rearwin. It covers 6 models; about 16 aircraft on the U.S. register are built to the designs it names. Last revised January 3, 1949 (revision 0). 6 approved modifications build on it.
Models under this certificate 6
DeLuxe 9000-L, DeLuxe 8500, DeLuxe 9000-KR, 9000-KR, 8500, 9000-L
On this site
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 6 · 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/A-591.json.