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
S-55B
Year
1954
Serial number
55-729
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
A112AA
Engine
Make and model
Wright C7ba Series
Type
Turbo-shaft
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
until 2011Individual ownerXxx, OK
Individual owners are shown by city and state only.
Safety record
NTSB · Oct 15, 2026 · FAA ADs · Oct 20, 2026 · SDRs · Oct 16, 2026
NTSB events (1)
Accident · substantial damage
May 4, 1982 · Otsego, OH
THE PILOT WAS SPREADING FERTILIZER BY USING EXTERNAL BUCKETS. AS HE WAS UNHOOKING A BUCKET, THE ENGINE LOST POWER. HE DID A HOVERING AUTOROTATION, BUT THE HELICOPTER SETTLED ON A BUCKET, TIPPED OVER AND ALLOWED THE MAIN ROTOR BLADES TO HIT THE GROUND. AN EXAMINATION REVEALED THAT THE ENGINE HAD MECHANICAL CONTINUITY AND THE FUEL SYSTEM WAS CLEAN AND WORKING PROPERLY. HOWEVER, EVIDENCE OF ARCING…
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.