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Aircraft record

N4029Y1980 Hiller UH-12E

DeregisteredUnclaimedSource: FAA, updated Oct 17, 2026

This N-number isn't registered right now. Below is its last known registration, canceled Feb 13, 2018.

Safety record in brief:1 NTSB accident (substantial damage, Sep 1988)2 ADs may apply

Registration
Deregistered
Last based in
Lemoore, CA
owner city / state
Owners
1
since 2004
NTSB events
1
substantial, 1988
ADs may apply
2
confirm with A&P
Service reports
0
since 1995

Registration

FAA Aircraft Registry · Oct 17, 2026
Last registered owner
Individual owner
City, state
Lemoore, CA
Certificate issued
Sep 8, 2004
Canceled
Feb 13, 2018
Airworthiness
Restricted · Agriculture and Pest Control
Airworthiness date
Jun 19, 1980

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
1980
Serial number
5135
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
A4B7B9

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
  1. 2004 – 2018Individual ownerLemoore, CA
  2. 1973 – 1975Individual ownerForest Lake, MN · different airframe: Cessna 185d S/N 1850940

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 (1)

Accident · substantial damage

Sep 10, 1988 · Helm, CA

DURING AN AERIAL APPLICATION FLIGHT, THE PILOT LOST CONTROL OF THE HELICOPTER JUST AFTER LIFTOFF AND COLLIDED WITH THE TERRAIN. INSPECTION OF THE WRECKAGE REVEALED THAT THE CHEMICAL TRUCKS FILLER HOSE WAS STILL ATTACHED TO THE HELICOPTER WHEN IT LIFTED OFF.

Damage
Substantial
Injuries
Minor
Report
LAX88DVA16

From NTSB records; matched by serial number.Read NTSB report (search CAROL for LAX88DVA16)

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-12E)
97-10-16Hiller Aircraft Corporation Model UH- 12, UH-12A, UH-12B, UH-12C, UH-12D, UH-12E…Jun 27, 1997Airframe (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 17, 2026
  • FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026

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