Type certificate H22NM
Held today by Arrow Falcon By Edgefield Manufacturing. It covers 4 models; about 8 aircraft on the U.S. register are built to it. Last revised April 11, 2024 (revision 8). 2 FAA orders name its designs, and 51 approved modifications build on it.
Models under this certificate 4
OH-58A, OH-58A+, OH-58C, 250-C20C (T63-A720)
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
2014-12-192014-22-03 · Main Rotor Drive · rotorcraft systems
2012-08-072012-14-11 · Main Rotor Drive · rotorcraft systems
Approved modifications 51 · 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/H22NM.json.
