Type certificate H3WE
Held today by MD Helicopters LLC, earlier by Schweizer\Hughes\Mcdonnell Douglas Helicopter System\Md Helicopter INC.. It covers 12 models; about 290 aircraft on the U.S. register are built to the designs it names. Last revised May 30, 2024 (revision 32). 105 FAA orders name its designs, and 357 approved modifications build on it.
Models under this certificate 12
369D, 369E, 600N, 369F, 369FF, 369HS, 369HM, 500N, 369HE, 369H, 369 (Army YOH-6A), 369A (Army OH-6A)
On this site
Hughes 369 500 series helicopters 122 registeredMd Helicopters Inc 369 108 registeredMd Helicopters Inc 500 15 registeredMd Helicopters Inc 600 11 registeredMd Helicopters Llc 369 34 registered
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 105 · newest first
2026-10-202026-19-01 · Rotorcraft flight control · flight controls
2025-10-102025-17-11 · tail rotor control system · rotorcraft systems
2024-12-242024-23-06 · Rotorcraft Flight Control · flight controls
2024-12-052024-20-07 · Emergency Equipment; Emergency Flotation Section · airframe structure
2023-06-222023-11-07 · Ground Proximity System · instruments and avionics
2022-01-102021-22-11 · Tail Rotor Control System · rotorcraft systems
2021-12-092021-23-13 · Ground Proximity System · instruments and avionics
2020-10-282020-18-20 · Main Rotor Blade · rotorcraft systems
Approved modifications 357 · 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/H3WE.json.