Type certificate 1H15
Held today by Sikorsky Aircraft, earlier by Sikorsky Aircraft Corporation\Sikorsky Aircraft. It covers 4 models; about 54 aircraft on the U.S. register are built to it. Last revised January 21, 2014 (revision 18). 61 FAA orders name its designs, and 118 approved modifications build on it.
Models under this certificate 4
S-61R, S-61N, S-61L, S-61NM
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 118 · companies holding the most
Croman Corporation 18Carson Helicopters INC 14Carson Helicopters, INC 12Vih Aerospace INC 10Cougar Helicopters INC. 6Acrohelipro Global Services INC 5Coulson Aircrane LTD. 4Maxcraft Avionics LTD. 3
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/1H15.json.