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KnownTail
Aircraft record

N94515Hiller UH-12D

Registration validUnclaimedSource: FAA, updated Oct 20, 2026

Safety record in brief:1 NTSB accident (substantial damage, Jul 1991)2 ADs may apply

Registration
Valid
expires Apr 30, 2029
Based in
Firebaugh, CA
owner city / state
Owners
1
since 2022
NTSB events
1
substantial, 1991
ADs may apply
2
confirm with A&P
Service reports
0
since 1995

Registration

FAA Aircraft Registry · Oct 20, 2026
Registered owner
Hiller Aircraft Corp
Owner type
Corporation
City, state
Firebaugh, CA
Certificate issued
Apr 18, 2022
Expires
Apr 30, 2029
Airworthiness
Experimental · To show compliance with FAR
Airworthiness date
Apr 11, 1978

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-12D
Serial number
1172
Aircraft type
Rotorcraft
Category
Land
Certification
Type Certificated
Seats
4
Engines
1
Max takeoff weight
Up to 12,499 lb
Type certificate data sheet
4H10
Mode S code
AD2254

Engine

Make and model
Lycoming Vo-435 Series
Type
Turbo-shaft
Power
260 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. 2022 – nowHiller Aircraft CorpFirebaugh, CA · current

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

Jul 2, 1991 · Savoy, IL

THE PILOT'S FAILURE TO MAINTAIN TAIL ROTOR CLEARANCE FROM THE GROUND. A RELATED FACTOR IS THE PILOT'S LACK OF TOTAL EXPERIENCE IN HELICOPTERS.

Damage
Substantial
Injuries
None
Report
CHI91LA205

From NTSB records; matched by serial number.Read NTSB report (search CAROL for CHI91LA205)

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.

ADSubjectEffectiveApplies to
97-20-15Hiller Aircraft Corporation Model UH- 12A, UH-12B, UH-12C, UH-12D, and UH-12E HelicoptersNov 12, 1997Airframe (UH-12D)
97-10-16Hiller Aircraft Corporation Model UH- 12, UH-12A, UH-12B, UH-12C, UH-12D, UH-12E…Jun 27, 1997Airframe (UH-12D)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 20, 2026
  • NTSB accident and incident databaseAccidents and incidents since 1982updated Oct 15, 2026
  • FAA Airworthiness Directives (Federal Register)ADs published since 1998updated Oct 20, 2026
  • FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026

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