Type certificate A23NM
Held today by Buehn Dennis G., earlier by Grumman. It covers 3 models; about 33 aircraft on the U.S. register are built to it. Last revised September 10, 1998 (revision 4). 2 FAA orders name its designs, and 6 approved modifications build on it.
Models under this certificate 3
SA-16A (UF-1), HU-16C (UF-1), TC-16C (UF-1T)
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 2 · newest first
2026-07-012026-13-02 · Navigation · instruments and avionics
2023-05-262023-10-02 · Indicating/Recording System, Navigation · instruments and avionics
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/A23NM.json.