Type certificate H2CE
Held today by Isenberg Wilbur M., earlier by Hawkeye Rotor & Wing Flight School. It covers 1 model; about 14 aircraft on the U.S. register are built to it. Last revised January 15, 1985 (revision 4). 10 FAA orders name its designs, and 3 approved modifications build on it.
Models under this certificate 1
OH-13E
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 10 · newest first
2023-06-222023-11-07 · Ground Proximity System · instruments and avionics
2021-12-092021-23-13 · Ground Proximity System · instruments and avionics
2005-11-212005-21-04 · Weld assembly scissors bracket · other and general
2002-03-272002-03-16 · Main Rotor Blade Grip · rotorcraft systems
1987-07-1086-06-08 R1 · Main Rotor Blade Grips · rotorcraft systems
1986-01-0885-15-04 · Tail Rotor Blade Yolk P/N 74-641-057-9 · rotorcraft systems
1981-02-2880-10-04 R1 · Tail Rotor Blades · rotorcraft systems
1981-02-0281-04-03 · Tail Rotor Drive Assembly · rotorcraft systems
Approved modifications 3 · companies holding the most
Source: FAA type certificate data sheets (Dynamic Regulatory System); register counts from the FAA register of October 8, 2026. Connections as data: /graph/certificate/H2CE.json.