Models / Sikorsky / S55B / N1255T Aircraft record N1255T 1954 Sikorsky S55B Safety record in brief: 1 NTSB accident (substantial damage, Jul 2009) · No ADs since 1998 matched
Registration Valid expires Sep 30, 2028 NTSB events 1 substantial, 2009 ADs may apply 0 confirm with A&P Service reports 0 since 1995
Registration FAA Aircraft Registry · Oct 20, 2026
Registered owner Sierra Aeronautics LLC
Owner type LLC
City, state Franklin, KY
Certificate issued Sep 21, 2021
Expires Sep 30, 2028
Airworthiness Standard · Normal
Airworthiness date Mar 19, 1975 We never show street addresses, even though they appear in the public FAA file. Individual owners are shown by city and state only.
Airframe & engine FAA Registry + type data Airframe
Manufacturer Sikorsky
Model S55B
Year 1954
Serial number 55607
Aircraft type Rotorcraft
Category Land
Certification Type Certificated
Seats 12
Engines 1
Max takeoff weight Up to 12,499 lb
Type certificate data sheet 1H4
Mode S code A0695E Engine
Make and model Airesearch Tse331 Series
Type Reciprocating
Power 800 hp Total time and engine hours aren't public. They appear here once the owner adds logbooks.
Ownership history Ownership history from FAA records 2021 – now Sierra Aeronautics LLC Franklin, KY · current Individual owners are shown by city and state only.
Safety record NTSB · Oct 15, 2026 · FAA ADs · Oct 19, 2026 · SDRs · Oct 16, 2026 NTSB events (1)
Accident · substantial damage Jul 24, 2009 · Chelan, WA Failure of a seal in the hydraulic system resulting in a loss of hydraulic pressure while maneuvering at low altitude.
Damage Substantial
Injuries None
Report WPR09LA371 From NTSB records; matched by serial number. Read NTSB report (search CAROL for WPR09LA371)
ADs published since 1998 that may apply (0) These match the airframe or engine model. Whether each one applies, and whether it's been complied with, depends on serial numbers, equipment and logbook entries. Applicability must be confirmed by a mechanic against the aircraft's records.
No ADs published since 1998 matched this airframe or engine model.
AI-extracted — verify against original. Matched from each AD's applicability section; ADs replaced by a later AD are left out.
Service Difficulty Reports (0) No Service Difficulty Reports found for this airframe since 1995.
Sources FAA Aircraft Registry Registration, owner city and state, airframe, engine updated Oct 20, 2026 NTSB accident and incident database Accidents and incidents since 1982 updated Oct 15, 2026 FAA Airworthiness Directives (Federal Register) ADs published since 1998 updated Oct 19, 2026 FAA Service Difficulty Reports Reports since 1995 updated Oct 16, 2026 Request owner name removal Report an error in this record