# Accident 19790622018439A: Hiller UH12L4, Elk City, OK, June 22, 1979

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: June 22, 1979, 09:00 local time
- Place: Elk City, OK
- Damage: Substantial damage
- Phase of flight: Fcd/Prec Ldg From Cruise
- Operating rules: General operating rules (Part 91)
- Location: 35.3896° N, 99.4287° W: Placed by OpenAirDocs: center of Elk City, OK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=35.3896&lon=-99.4287&mi=10
- Aircraft: N90453, a cancelled registration (https://openairdocs.org/deregistered/N90453-2013-04-12) (OpenAirDocs)
- Registry model: Hiller UH-12L4 (registry code 4360128, https://openairdocs.org/model/hiller-uh-12l4) (OpenAirDocs)
- Registry engine: Lycoming VO-540 series (registry code 41534, https://openairdocs.org/engine/lycoming-vo-540-series) (OpenAirDocs)
- Reported make and model: HILLER UH12L4
- People aboard: 1
- Fatal injuries: 0
- Pilot flight hours: 3,290 total, 90 in this make and model, 30 in the last 90 days
- NTSB investigation: [NTSB FTW79FPJ26](https://openairdocs.org/ntsb/FTW79FPJ26) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19790622018439A

## Narrative

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

HELICOPTER RPM BEGAN TO DECAY, DEVELOPED HIGH SINK RATE. MADE HARD LANDING. FOUND CLUTCH SLIPPING..

## 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 FTW79FPJ26](https://openairdocs.org/ntsb/FTW79FPJ26), Jun 22, 1979: Hiller UH12L4 (N90453), Elk City, OK, substantial damage

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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