US Helicopter Registry

SikorskyS-61

71 Sikorsky S-61 helicopters hold a valid FAA registration, 0 percent of the US fleet and the number 27 type by count. It is a heavy helicopter, built by Sikorsky. 14 of them fly on a Part 135 certificate.

71
Registered in the US
14
On a Part 135 certificate
1973
Median year built
28
Seats (FAA reference)

Variants the FAA lists

The FAA lists it under 10 model strings, folded together here. The strings are the manufacturer's own designations as typed on the registration, so a suffix marks a sub-model, an engine option, or sometimes only a different clerk.

Model as registeredRegistered
S-61N45
SH-3H13
S-61A5
H-34J2
CH34C1
S-61L1
S-61NM1
S-61R1
S61V-11
SH-3A1

Where the Sikorsky S-61 is registered

By the registrant's state. A trust or leasing company can put a whole fleet at one address, so a state's count is about paperwork as much as flying.

When they were built

  • 1950s 11%
  • 1960s 1927%
  • 1970s 2332%
  • 1980s 57%

The register runs from 1958 to 1985, with 1977 the busiest year at 6 airframes. 23 records carry no year of manufacture.

Who registers them

  • Corporation 5070%
  • LLC 1724%
  • Non-citizen corporation 46%

The organisations with the most Sikorsky S-61 helicopters registered. Private individuals are counted above but never named.

RegistrantHelicopters
CROMAN CORP26
CONSTRUCTION HELICOPTERS LLC10
CARSON HELICOPTERS INC9
CLAYTON INTERNATIONAL INC3
US LEASECO INC3
AMENTUM SERVICES INC2
COULSON AVIATION USA INC2
CSC DELAWARE TRUST CO TRUSTEE2

Engine and certification

68 are recorded as turbine powered and 3 as piston. The engines the FAA lists most often: GE CT58-140-2 (24), GE CT58-140-1 (18), GE CT58 SERIES (7), GE T58 SERIES (1), WRIGHT 1820-84C (1).

  • Standard 4259%
  • Restricted 710%
  • Multiple 23%
  • Experimental 11%

Standard is the airworthiness class a passenger-carrying aircraft holds. Restricted covers agricultural, external-load and other special-purpose work, and experimental covers research, exhibition and amateur-built aircraft; neither carries paying passengers.

Common questions

How many Sikorsky S-61 helicopters are there in the United States?

71 hold a valid FAA registration in the file dated 14 September 2026, 0 percent of all registered helicopters, which ranks the Sikorsky S-61 number 27 among model families. The FAA lists it under 10 model strings, folded together here.

Where are most Sikorsky S-61 helicopters registered?

Oregon leads with 34, then Michigan with 10. The state is the registrant's address rather than where the aircraft flies.

Is the Sikorsky S-61 used for charter?

14 of the 71 registered, 20 percent, sit on an FAA Part 135 certificate, the authority needed to fly passengers or cargo for hire. Whether a given one is available for passenger work depends on the operator, not the type.

How old are the Sikorsky S-61 helicopters on the register?

The median was built in 1973; the register runs from 1958 to 1985, with 1977 the busiest year at 6. 23 records carry no year.

Source: FAA Releasable Aircraft Database, file dated 14 September 2026; Part 135 workbook dated 9 August 2026. Look up any airframe by tail number on the registry hub.

Other model families

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