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Type Record · As of May 3, 2026

SIKORSKY S55B

Rotorcraft · AIRESEARCH TSE331 SERIES

Registered

3

Year Range

1954–1957

NTSB Events

3

Airworthiness Directives

0

01 /  Distribution

Where the fleet lives and was built

Counts of currently-registered SIKORSKY S55B aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.

By State (top 10)

  • KY 100.0% 3

By Decade of Manufacture

  • 1950s 100.0% 3

02 /  NTSB Records

Events involving SIKORSKY S55B aircraft

3 event(s) on file. Showing the most recent 3.

03 /  Airworthiness Directives

FAA directives applicable to SIKORSKY S55B

No matching airworthiness directives are on file for this make and model in the Federal Register.

04 /  Regulations watching this type

Advisory Circulars and Federal Register activity for SIKORSKY S55B

05 /  Aircraft of this type

All 3 registered N-numbers

Every tail currently on the FAA registry for this make/model. Click an N-number to query the FAA Aircraft Inquiry; rows flagged ● have NTSB events on file. Tails seeded with full TallyAero pages link directly.

3 of 3
N-number St Year NTSB FAA
N1255T KY 1954 ● Look up ↗
N616Z KY 1957 ● Look up ↗
N855TC KY 1956 ● Look up ↗

Source — FAA Aircraft Registry · click "Look up" to query the live registry record (owner, address, last airworthiness)

05 /  Sources & Methodology

Every count traces back to a primary US-government source

We render counts and lists as the agency publishes them. Read the methodology →