Type certificate H11NM
Held today by Robinson Helicopter Company. It covers 2 models; about 1,933 aircraft on the U.S. register are built to it. Last revised January 29, 2024 (revision 11). 42 FAA orders name its designs, and 119 approved modifications build on it.
Models under this certificate 2
R44 II, R44
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 42 · newest first
2025-07-112025-11-07 · Engine/Transmission Coupling · rotorcraft systems
2025-01-072024-23-01 · Main rotor drive system, Rotorcraft flight control · rotorcraft systems
2024-12-052024-20-07 · Emergency Equipment; Emergency Flotation Section · airframe structure
2024-11-292024-20-03 · Flight Control System · propeller
2024-10-312024-19-11 · Engine/Transmission coupling · rotorcraft systems
2024-04-022024-04-02 · Tail Rotor Blades · rotorcraft systems
2023-06-222023-11-07 · Ground Proximity System · instruments and avionics
2022-10-202022-19-12 · Tail Rotor Blades · rotorcraft systems
Approved modifications 119 · 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/H11NM.json.