Type certificate A-688
Held today by National Aeronca Association, earlier by Aeronca Aircraft Corporation. It covers 3 models; about 14 aircraft on the U.S. register are built to it. Last revised March 7, 2005 (revision 2). 9 approved modifications build on it.
Models under this certificate 3
50-F, KF, S-50F
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 9 · companies holding the most
Source: FAA type certificate data sheets (Dynamic Regulatory System); register counts from the FAA register of October 7, 2026. Connections as data: /graph/certificate/A-688.json.