# Accident 19880102000119A: Hiller UH12E, Vernal, UT, January 2, 1988

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: January 2, 1988, 15:30 local time
- Place: Vernal, UT
- Damage: Substantial damage
- Phase of flight: Pwr Off Run Land (Autorotation
- Operating rules: General operating rules (Part 91)
- Location: 40.5490° N, 109.5700° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=40.5490&lon=-109.5700&mi=10
- Aircraft: N400AH, a cancelled registration (https://openairdocs.org/deregistered/N400AH-2003-04-22) (OpenAirDocs)
- Registry model: Hiller UH-12E (registry code 4360122, https://openairdocs.org/model/hiller-uh-12e) (OpenAirDocs)
- Registry engine: Lycoming TI0-540 series (registry code 41533, https://openairdocs.org/engine/lycoming-ti0-540-series) (OpenAirDocs)
- Reported make and model: HILLER UH12E
- Reported engine: LYC TIVO540A2A
- People aboard: 3
- Fatal injuries: 0
- Pilot flight hours: 5,450 total, 5,100 in this make and model
- NTSB investigation: [NTSB DEN88LA046](https://openairdocs.org/ntsb/DEN88LA046) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19880102000119A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

ENGINE QUIT EN ROUTE.MADE HARD AUTOROTATION LANDING ON A ROAD. CONNECTING ROD BROKEN FROM ENGINE OVERTEMP OPERATION

## The NTSB's investigation of this event (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB DEN88LA046](https://openairdocs.org/ntsb/DEN88LA046), Jan 2, 1988: Hiller UH-12E (N400AH), Vernal, UT, substantial damage

## Other reports on N400AH (4)

Matched to the same aircraft by N-number and date.

- [Accident 19851101055799A](https://openairdocs.org/incident/19851101055799A), Nov 1, 1985: Hiller UH12E (N400AH), Vernal, UT, Substantial damage. Turbocharger failed, impeller lodged on shroud after retaining nut backed out. Turbocharger installation on STC.
- [Accident 19830831045459A](https://openairdocs.org/incident/19830831045459A), Aug 31, 1983: Hiller UH12E (N400AH), Manning, ND, Substantial damage. Lost engine power while pulling a long line with a high deck angle. Low fuel condition allowed fuel unporting.
- [Accident 19811117074319A](https://openairdocs.org/incident/19811117074319A), Nov 17, 1981: Hiller UH12E (N400AH), Craig, CO, Substantial damage. Made downwind pass while shooting coyote. RPM decayed, forced to land. Skid broke on hitting a root on landing.
- [Accident 19790724021779A](https://openairdocs.org/incident/19790724021779A), Jul 24, 1979: Hiller UH12E (N400AH), Johnstown, CO, Substantial damage. Ag pilot conducting spraying operation exhausted fuel and crashed during spray run.

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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