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Aircraft record

N4029S1980 Hiller UH-12E

Registration validUnclaimedSource: FAA, updated Oct 17, 2026

Safety record in brief:1 NTSB accident (substantial damage, May 1997)2 ADs may apply

Registration
Valid
expires Aug 31, 2027
Based in
Buttonwillow, CA
owner city / state
Owners
1
since 2011
NTSB events
1
substantial, 1997
ADs may apply
2
confirm with A&P
Service reports
0
since 1995

Registration

FAA Aircraft Registry · Oct 17, 2026
Registered owner
Slikker Flying Service INC
Owner type
Corporation
City, state
Buttonwillow, CA
Certificate issued
Aug 19, 2011
Expires
Aug 31, 2027
Airworthiness
Restricted · Agriculture and Pest Control
Airworthiness date
May 2, 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
5129
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
A4B7B3

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. 2011 – nowSlikker Flying Service INCButtonwillow, CA · current
  2. 1973Sikorsky AircraftStratford, CT · different airframe: 1972 Sikorsky S-65c3 S/N 65354

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

May 29, 1997 · Granby, NY

failure of the pilot/owner to replace the torsional clutch as specified by the manufacturer, and subsequent failure of the helicopter's clutch, which resulted in a forced landing (autorotation). A related factor was: the encounter with trees in the emergency landing area.

Damage
Substantial
Injuries
Serious
Report
NYC97LA101

From NTSB records; matched by serial number.Read NTSB report (search CAROL for NYC97LA101)

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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