Type certificate H2EA
Held today by Sikorsky Aircraft Corporation, earlier by United Technologies CORP.. It covers 4 models; about 54 aircraft on the U.S. register are built to it. Last revised December 7, 2012 (revision 4). 61 FAA orders name its designs, and 40 approved modifications build on it.
Models under this certificate 4
S-61A, S-61D, S-61V, S-61E
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 61 · newest first
2026-09-102026-15-17 · Main Rotor Gearbox · rotorcraft systems
2026-07-092026-11-05 · Rotorcraft flight control; Rotorcraft servo system · rotorcraft systems
2023-06-222023-11-07 · Ground Proximity System · instruments and avionics
2022-04-202022-05-10 · Cabin Equipment/Furnishings · cabin, seats and restraints
2021-12-092021-23-13 · Ground Proximity System · instruments and avionics
2021-07-012021-10-16 · Engine/Transmission Coupling · rotorcraft systems
2021-05-072021-05-19 · Tail Rotor Control System · rotorcraft systems
2015-11-242015-20-12 · Main Rotor Gearbox · rotorcraft systems
Approved modifications 40 · companies holding the most
Croman Corporation 16Carson Helicopters INC 9Carson Helicopters, INC 4Precise Flight INC 2Seaplanes North LLC 1Park Technologies, LLC 1National Aircraft Service INC. (Nasi) 1National Aircraft Service INC 1
Special conditions
Source: FAA type certificate data sheets (Dynamic Regulatory System); register counts from the FAA register of October 5, 2026. Connections as data: /graph/certificate/H2EA.json.