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Aircraft record

N57FDHiller UH-12C

Registration validUnclaimedSource: FAA, updated Oct 20, 2026

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

Registration
Valid
expires Jun 30, 2028
Based in
Mineral Wells, TX
owner city / state
Engine
6VS-335 SER · 240 hp
Franklin
Owners
1
since 2018
NTSB events
1
substantial, 1988
ADs may apply
2
confirm with A&P
Service reports
0
since 1995

Registration

FAA Aircraft Registry · Oct 20, 2026
Registered owner
Fort Wolters Helicopter INC
Owner type
Corporation
City, state
Mineral Wells, TX
Certificate issued
Jun 8, 2018
Expires
Jun 30, 2028
Airworthiness
Standard · Normal
Airworthiness date
Mar 22, 1973

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-12C
Serial number
817
Aircraft type
Rotorcraft
Category
Land
Certification
Type Certificated
Seats
4
Engines
1
Max takeoff weight
Up to 12,499 lb
Type certificate data sheet
6H2
Mode S code
A74C91

Engine

Make and model
Franklin 6vs-335 Ser
Type
Reciprocating
Power
240 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. 2018 – nowFort Wolters Helicopter INCMineral Wells, TX · current

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

Oct 26, 1988 · Davenport, IA

WHILE DEMONSTRATING AN AUTOROTATION TOUCHDOWN, A TAILBOOM STRIKE WAS EXPERIENCED. DAMAGE WAS INCURRED TO THE TAILBOOM, THE TAIL ROTOR DRIVE SHAFT, AND ONE MAIN ROTOR BLADE. THE CFI SAID EVERTHING FELT NORMAL DURING TOUCHDOWN AND BELIEVED THE SOFT TERRAIN CONDITIONS CONTRIBUTED TO THE ACCIDENT.

Damage
Substantial
Injuries
None
Report
MKC89LA016

From NTSB records; matched by serial number.Read NTSB report (search CAROL for MKC89LA016)

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