The U.S. aircraft register, updated daily · Carbon Free Flight by 2050
Models · Sikorsky · Helicopters · data as of October 2, 2026

Sikorsky S-55

15 on the U.S. register across 3 versions the FAA records separately. Built from 1952 to 1959; half of them date from 1955 or earlier. Kentucky has the most (9). 67% are registered to companies, flight schools, clubs and other organisations; the rest to individuals, who are never named here.

Sikorsky S-55: American helicopter
Photo: U.S. Army, Public domain, via Wikimedia Commons · Sikorsky H-34 on Wikipedia

About the S-55 from the FAA's model table

Type
Rotorcraft · Helicopters
Power
Turboshaft, 1 engine
Common engines
Wright C7Ba Series (4), Airesearch Tse331 Series (3), Wright R-1300 Ser (2)
Seats
12
Cruise speed
about 71 mph
Maker on the register
Sikorsky
Registered
earliest certificate November 7, 2011; newest November 30, 2022

Where they are owner's state

Kentucky9Washington1Oregon1Oklahoma1New Jersey1Georgia1Florida1

Who owns them registrant type

LLC10 (67%)Individual5 (33%)

Versions as the FAA records them · click one to list only those aircraft

VersionRegisteredBuiltShare
S-55B91952 to 195960.0%
S55B31954 to 195720.0%
S-5531953 to 195720.0%

When they were built by decade · 2 with no year on file

0361013131950

Registrations by year certificates issued since 2010, including changes of owner · 2026 is the year so far

02581012011220191202010202112022

Registration status

Valid15 (100%)

Airworthiness certificate class

Standard5 (33%)Multiple5 (33%)Restricted3 (20%)None on file2 (13%)

Biggest operators companies, schools and clubs

Sierra Aeronautics LLC9N2302F LLC1

Fleet pages: Sierra Aeronautics LLC

Accident history NTSB

Each aircraft's own page already shows its NTSB accident and incident record. The model-wide record (accidents per year, fatal and non-fatal, against the number registered) is being added; it will appear here.

Questions people ask answers refresh every morning

How many Sikorsky S-55 aircraft are registered in the U.S.?

15 as of October 2, 2026, counting 3 versions the FAA records separately.

Which state has the most Sikorsky S-55s?

Kentucky, with 9.

Who owns the Sikorsky S-55?

67% are registered to companies, flight schools, clubs and other organisations; the rest to individuals and co-owners, who are never named on this site.

Aircraft newest certificates first · 15

Tail no.Maker and modelOwner and baseCertificateRegisteredStatus
N855DB Sikorsky
S-55B
Individual owner
Washington
None on file 2022-11-30 Valid
N2300Z Sikorsky
S-55
Individual owner
Georgia
Multiple 2021-12-11 Valid
N155GW Sikorsky
S-55B
Sierra Aeronautics LLC
Franklin, Kentucky
Multiple 2021-10-07 Valid
N5663 Sikorsky
S-55B
Sierra Aeronautics LLC
Franklin, Kentucky
Restricted 2021-10-07 Valid
N1255T Sikorsky
S55B
Sierra Aeronautics LLC
Franklin, Kentucky
Standard 2021-09-21 Valid
N24111 Sikorsky
S-55B
Sierra Aeronautics LLC
Franklin, Kentucky
Multiple 2021-09-21 Valid
N2650M Sikorsky
S-55B
Sierra Aeronautics LLC
Franklin, Kentucky
Multiple 2021-09-21 Valid
N31611 Sikorsky
S-55B
Sierra Aeronautics LLC
Franklin, Kentucky
Restricted 2021-09-21 Valid
N616Z Sikorsky
S55B
Sierra Aeronautics LLC
Franklin, Kentucky
None on file 2021-09-21 Valid
N752A Sikorsky
S-55
Sierra Aeronautics LLC
Franklin, Kentucky
Restricted 2021-09-21 Valid
N855TC Sikorsky
S55B
Sierra Aeronautics LLC
Franklin, Kentucky
Standard 2021-09-21 Valid
N443FD Sikorsky
S-55B
Individual owner
New Jersey
Standard 2020-07-13 Valid
N2302F Sikorsky
S-55B
N2302F LLC
Salem, Oregon
Multiple 2019-05-15 Valid
N17376 Sikorsky
S-55B
Individual owner
Oklahoma
Standard 2019-03-26 Valid
N111VA Sikorsky
S-55
Individual owner
Florida
Standard 2011-11-07 Valid