Aircraft record

N624211965 Hiller UH-12E

DeregisteredUnclaimedSource: FAA, updated Oct 20, 2026

This N-number isn't registered right now. Below is its last known registration, canceled Apr 29, 2013.

Safety record in brief:1 NTSB accident (substantial damage, Feb 1986)2 ADs may apply

Registration: Deregistered
Last based in: Stockton, CA; owner city / state
Engine: VO-540 SERIES · 310 hp; Lycoming
Owners: 1; since 1984
NTSB events: 1; substantial, 1986
ADs may apply: 2; confirm with A&P
Service reports: 0; since 1995

Registration

FAA Aircraft Registry · Oct 20, 2026

Last registered owner: Alpine Helicopter Service INC
Owner type: Corporation
City, state: Stockton, CA
Certificate issued: Jun 6, 1984
Canceled: Apr 29, 2013
Airworthiness: Multiple · Standard, Restricted, Agriculture and Pest Control
Airworthiness date: Jul 23, 1979

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: 1965
Serial number: 1731
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: A827D1

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

1984 – 2013Alpine Helicopter Service INCStockton, CA

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

Feb 7, 1986 · Lodi, CA

WHILE ON AN AERIAL AGRICULTURAL SPRAYING FLIGHT THE ACFT ENGINE LOST TOTAL POWER. THE PLT EXECUTED AN IMMEDIATE AUTOROTATION LANDING. UPON GROUND CONTACT, THE ACFT SKID FOR ABOUT 8 FT UNTIL THE FRONT SKID CONTACTED THE GROUND FURROW AND NOSED OVER CAUSING THE MAIN ROTOR BLADE TO CONTACT THE GROUND AND TAIL BOOM ASSEMBLY. THE PILOT REPORTED THAT HE HAD ABOUT 10 - 12 GALLONS ABOARD FOR THE 5…

Damage: Substantial
Injuries: None
Report: LAX86LA113

From NTSB records; matched by serial number.Read NTSB report (search CAROL for LAX86LA113)

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 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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