Type certificate A13SO
Held today by Eagle Balloons CORP., earlier by Semco Balloon. It covers 3 models; about 19 aircraft on the U.S. register are built to it. Last revised October 1, 2003 (revision 8). 5 approved modifications build on it.
Models under this certificate 3
C-7, Mark V, Challenger
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 5 · companies holding the most
Source: FAA type certificate data sheets (Dynamic Regulatory System); register counts from the FAA register of October 20, 2026. Connections as data: /graph/certificate/A13SO.json.