Type certificate A-306
Held today by Monocoupe Corporation. It covers 5 models; about 63 aircraft on the U.S. register are built to it. Last revised October 25, 2011 (revision 12). 30 approved modifications build on it.
Models under this certificate 5
90A, 90, 90AF, 90AF-100, 90AL-115
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 30 · 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-306.json.