Aircraft record

N124HA1975 Hiller UH-12E

DeregisteredUnclaimedSource: FAA, updated Oct 17, 2026

This N-number isn't registered right now. Below is its last known registration, canceled Sep 4, 2021.

Safety record in brief:1 NTSB accident (substantial damage, Jul 1996)2 ADs may apply

Registration: Deregistered
Last based in: Hanford, CA; owner city / state
Engine: VO-540 SERIES · 310 hp; Lycoming
Owners: 1; since 2018
NTSB events: 1; substantial, 1996
ADs may apply: 2; confirm with A&P
Service reports: 0; since 1995

Registration

FAA Aircraft Registry · Oct 17, 2026

Last registered owner: Marquis Aviation INC
Owner type: Corporation
City, state: Hanford, CA
Certificate issued: May 16, 2018
Canceled: Sep 4, 2021
Airworthiness: Multiple · Standard, Restricted, Agriculture and Pest Control
Airworthiness date: Jul 1, 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: Hiller
Model: UH-12E
Year: 1975
Serial number: HA3024
Aircraft type: Rotorcraft
Category: Land
Certification: Type Certificated
Seats: 4
Engines: 1
Max takeoff weight: Up to 12,499 lb
Type certificate data sheet: 4H11
Mode S code: A0633E

Engine

Make and model: Lycoming Vo-540 Series
Type: Reciprocating
Power: 310 hp

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

Ownership history

Ownership history from FAA records

2018 – 2021Marquis Aviation INCHanford, CA

Individual owners are shown by city and state only.

Safety record

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

NTSB events (1)

Accident · substantial damage

Jul 20, 1996 · Healdsburg, CA

The failure of the pilot to confirm a loss of power before entering autorotation after reading an erroneous instrument indication on the helicopter's dual tachometer. Factors in the accident were the erratic instrument, and maintenance personnel who failed to properly repair the system after the discrepancy was previously reported.

Damage: Substantial
Injuries: None
Report: LAX96LA279

From NTSB records; matched by serial number.Read NTSB report (search CAROL for LAX96LA279)

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-12E)
97-10-16	Hiller Aircraft Corporation Model UH- 12, UH-12A, UH-12B, UH-12C, UH-12D, UH-12E…	Jun 27, 1997	Airframe (UH-12E)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 17, 2026
NTSB accident and incident databaseAccidents and incidents since 1982updated Oct 15, 2026
FAA Airworthiness Directives (Federal Register)ADs published since 1998updated Oct 16, 2026
FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026

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