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Aircraft record

N75071953 Sikorsky S-55

DeregisteredUnclaimedSource: FAA, updated Oct 18, 2026

This N-number isn't registered right now. Below is its last known registration, canceled May 8, 2013.

Safety record in brief:No NTSB accidents or incidents since 1982No ADs since 1998 matched

Registration
Deregistered
Last based in
Santurce, PR
owner city / state
Owners
1
since 1977
NTSB events
None
since 1982
ADs may apply
0
confirm with A&P
Service reports
0
since 1995

Registration

FAA Aircraft Registry · Oct 18, 2026
Last registered owner
Heliambulance Service Corp
Owner type
Corporation
City, state
Santurce, PR
Certificate issued
Oct 17, 1977
Canceled
May 8, 2013
Airworthiness
Restricted · Agriculture and Pest Control, Other, Aerial Surveying, Patrolling, Aerial Advertising
Airworthiness date
Aug 31, 1976

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-55
Year
1953
Serial number
SA55-563
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
AA1D56

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
  1. 1977 – 2013Heliambulance Service CorpSanturce, PR

Individual owners are shown by city and state only.

Safety record

NTSB · Oct 15, 2026 · FAA ADs · Oct 18, 2026 · SDRs · Oct 16, 2026

NTSB events (0)

No NTSB accidents or incidents found for this airframe since 1982.

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 RegistryRegistration, owner city and state, airframe, engineupdated Oct 18, 2026
  • NTSB accident and incident databaseAccidents and incidents since 1982updated Oct 15, 2026
  • FAA Airworthiness Directives (Federal Register)ADs published since 1998updated Oct 18, 2026
  • FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026

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