The U.S. aircraft register, updated daily
Type certificates · propeller · current

Type certificate ATC 136 X-31900

Held today by Curtiss-Wright Corporation. It covers 1 model. 1 approved modification build on it.

Models under this certificate 1

X-31900

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 1 · 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/ATC 136 X-31900.json.