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Aircraft record

N593661958 Hiller UH-12D

DeregisteredUnclaimedSource: FAA, updated Oct 17, 2026

This N-number isn't registered right now. Below is its last known registration, canceled Jul 19, 2013.

Safety record in brief:2 NTSB accidents (destroyed damage at worst, latest Nov 1993)2 ADs may apply

Registration
Deregistered
Last based in
Jefferson, OR
owner city / state
Owners
1
since 2000
NTSB events
2
destroyed, 1993
ADs may apply
2
confirm with A&P
Service reports
0
since 1995

Registration

FAA Aircraft Registry · Oct 17, 2026
Last registered owner
Pioneer Helicopters INC
Owner type
Corporation
City, state
Jefferson, OR
Certificate issued
Jun 12, 2000
Canceled
Jul 19, 2013
Airworthiness
Restricted · Agriculture and Pest Control, Forest
Airworthiness date
Feb 24, 1983

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
1958
Serial number
1069
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
A7ABD5

Engine

Make and model
Allison 250 Series
Type
Turbo-shaft
Power
300 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. 2000 – 2013Pioneer Helicopters INCJefferson, OR

Individual owners are shown by city and state only.

Safety record

NTSB · Oct 15, 2026 · FAA ADs · Oct 17, 2026 · SDRs · Oct 16, 2026

NTSB events (2)

Accident · substantial damage

Nov 26, 1993 · Sublimity, OR

THE PILOT'S FAILURE TO MAINTAIN CLEARANCE FROM UNMARKED TRANSMISSION WIRES. FACTORS INCLUDE THE PILOT'S INADEQUATE VISUAL LOOKOUT, AND UNMARKED WIRES IN THE AREA OF OPERATION.

Damage
Substantial
Injuries
None
Report
SEA94LA037

From NTSB records; matched by serial number.Read NTSB report (search CAROL for SEA94LA037)

Accident · destroyed

Mar 8, 1982 · Mount Angle, OR

THE AIRCRAFT WAS BEING USED ON AN EXTERNAL LOAD OPERATION. ON HIS FOURTH LOAD, THE PILOT WAS TO TRANSPORT A 1190 LB ELECTRIC PUMP AND FAN FROM THE BACK OF A PICKUP TRUCK. WHILE PREPARING TO LIFT THE LOAD, THE PILOT WAS NOT SATISFIED WITH ITS POSITION. HE RELEASED THE EXTERNAL LOAD LINE FROM THE BOTTOM OF THE HELICOPTER, MOVED THE HELICOPTER TO THE RIGHT, AND LANDED NEAR THE PICKUP TRUCK. JUST…

Damage
Destroyed
Injuries
Minor
Report
SEA82FYM11

From NTSB records; matched by serial number.Read NTSB report (search CAROL for SEA82FYM11)

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 17, 2026
  • NTSB accident and incident databaseAccidents and incidents since 1982updated Oct 15, 2026
  • FAA Airworthiness Directives (Federal Register)ADs published since 1998updated Oct 17, 2026
  • FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026

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