Aircraft record

N3GK1959 Hiller UH-12D

DeregisteredUnclaimedSource: FAA, updated Oct 18, 2026

This N-number isn't registered right now. Below is its last known registration, canceled Sep 25, 2012.

Safety record in brief:1 NTSB accident (destroyed damage, May 1983)2 ADs may apply

Registration: Deregistered
Last based in: Highland, KS; owner city / state
Engine: VO-435 SERIES · 260 hp; Lycoming
Owners: 1; since 1981
NTSB events: 1; destroyed, 1983
ADs may apply: 2; confirm with A&P
Service reports: 0; since 1995

Registration

FAA Aircraft Registry · Oct 18, 2026

Last registered owner: Valley Air INC
Owner type: Corporation
City, state: Highland, KS
Certificate issued: Jun 30, 1981
Canceled: Sep 25, 2012
Airworthiness: Multiple · Standard, Restricted, Agriculture and Pest Control
Airworthiness date: May 4, 1982

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
Year: 1959
Serial number: 1154
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: A31B40

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

1981 – 2012Valley Air INCHighland, KS

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 (1)

Accident · destroyed

May 24, 1983 · Troy, KS

THE ACFT COLLIDED WITH A POWERLINE WHILE THE PILOT WAS LOCATING A FIELD TO SPRAY AT A LATER DATE. THE PILOT SAW TELEPHONE LINES AND FLEW OVER THEM BUT HIT THE POWERLINES WHICH WERE 20 FEET HIGHER. THE SKIDS CAUGHT THE WIRES AND THE HELICOPTER NOSED DOWN, DRAGGING THE LINES 110 FEET BEYOND THE WIRE IMPACT. THE PILOT MANAGED TO FREE HIMSELF BEFORE THE FIRE CONSUMED THE HELICOPTER.

Damage: Destroyed
Injuries: Serious
Report: MKC83FA114

From NTSB records; matched by serial number.Read NTSB report (search CAROL for MKC83FA114)

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-12D)
97-10-16	Hiller Aircraft Corporation Model UH- 12, UH-12A, UH-12B, UH-12C, UH-12D, UH-12E…	Jun 27, 1997	Airframe (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 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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