Aircraft record

N4732C1951 Hiller UH-12A

DeregisteredUnclaimedSource: FAA, updated Oct 19, 2026

This N-number isn't registered right now. Below is its last known registration, canceled Oct 14, 2014.

Safety record in brief:1 NTSB accident (substantial damage, Jun 1985)2 ADs may apply

Registration: Deregistered
Last based in: Madras, OR; owner city / state
Engine: 6V4 SERIES · 210 hp; Franklin
Owners: 1; since 1984
NTSB events: 1; substantial, 1985
ADs may apply: 2; confirm with A&P
Service reports: 0; since 1995

Registration

FAA Aircraft Registry · Oct 19, 2026

Last registered owner: Aircraft Commerce Ltd
Owner type: Corporation
City, state: Madras, OR
Certificate issued: Dec 27, 1984
Canceled: Oct 14, 2014
Airworthiness: Standard · Normal
Airworthiness date: Jan 12, 1966

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: Hiller
Model: UH-12A
Year: 1951
Serial number: 259
Aircraft type: Rotorcraft
Category: Land
Certification: Type Certificated
Seats: 4
Engines: 1
Max takeoff weight: Up to 12,499 lb
Type certificate data sheet: 6H1
Mode S code: A5CEE0

Engine

Make and model: Franklin 6v4 Series
Type: Reciprocating
Power: 210 hp

Total time and engine hours aren't public. They appear here once the owner adds logbooks.

Ownership history

Ownership history from FAA records

1984 – 2014Aircraft Commerce LtdMadras, OR

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

Jun 14, 1985 · Warm Springs, OR

DURING A FLT FROM MADRAS, OR TO WALLA WALLA, WA, A LOSS OF ENG POWER OCCURRED DUE TO A FUEL FLOW PROBLEM & THE PLT MADE A SUCCESSFUL AUTOROTATION NEAR WARM SPRINGS, OR. A COMPANY MECHANIC WAS DISPATCHED TO THE HELICOPTER & HE REPAIRED A LOOSE FUEL LINE FITTING. LATE THAT EVENING, THE PLT STARTED & RAN THE ENG FOR ABOUT 10 MIN. HE THEN HOVERED FOR 4 TO 5 MIN BEFORE STARTING HIS DEPARTURE. THE PLT…

Damage: Substantial
Injuries: Serious
Report: SEA85FA137

From NTSB records; matched by serial number.Read NTSB report (search CAROL for SEA85FA137)

Accident history for this model

ADs published since 1998 that may apply (2)

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.

AD	Subject	Effective	Applies to
97-20-15	Hiller Aircraft Corporation Model UH- 12A, UH-12B, UH-12C, UH-12D, and UH-12E Helicopters	Nov 12, 1997	Airframe (UH-12A)
97-10-16	Hiller Aircraft Corporation Model UH- 12, UH-12A, UH-12B, UH-12C, UH-12D, UH-12E…	Jun 27, 1997	Airframe (UH-12A)Only with: Having control rotor blade spar tube P/N 36003, 36006, 36129, 36129-25, 36203, 36203-15, 36203-21, or 36209-3, or cuff P/N 36101-1, 36101-4, 36108, 36115-1, 36115-4, 36115-6, 36115-8, or 36124 installed; includes UH-12D and UH-12E converted to turbine power per STC SH177WE and SH178WE.

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 19, 2026
NTSB accident and incident databaseAccidents and incidents since 1982updated Oct 15, 2026
FAA Airworthiness Directives (Federal Register)ADs published since 1998updated Oct 19, 2026
FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026

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