Type certificate 4H12
Held today by Schweizer Rsg LLC, earlier by Schweizer Aircraft Corporation\Sikorsky Aircraft Corporation. It covers 6 models; about 212 aircraft on the U.S. register are built to the designs it names. Last revised April 29, 2020 (revision 33). 66 FAA orders name its designs, and 144 approved modifications build on it.
Models under this certificate 6
269B, 269D, 269A-1, 269A, 269C, 269C-1
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 66 · newest first
2023-06-222023-11-07 · Ground Proximity System · instruments and avionics
2021-12-092021-23-13 · Ground Proximity System · instruments and avionics
2017-08-252017-14-06 · Main Rotor Drive System · rotorcraft systems
2015-12-152015-23-01 · Tail Rotor Drive · rotorcraft systems
2011-07-212011-12-16 · Rotorcraft Tailboom · other and general
2010-08-202010-16-08 · Rotorcraft Cooling Fan System · rotorcraft systems
2006-07-112006-12-07 · ECi cylinder assemblies · engine
2005-06-022005-10-12 · Lateral control trim actuator assembly · flight controls
Approved modifications 144 · 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/4H12.json.