# Accident 19941128039569A: Hiller UH12C, Twisp, WA, November 28, 1994

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: November 28, 1994, 14:40 local time
- Place: Twisp, WA
- Airport: Twisp Municipal Airport
- Damage: Substantial damage
- Phase of flight: Autorot Descent (Rotorcraft)
- Operating rules: General operating rules (Part 91)
- Location: 48.3191° N, 119.9302° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=48.3191&lon=-119.9302&mi=10
- Aircraft: N54594, registered now (https://openairdocs.org/aircraft/N54594) (OpenAirDocs)
- Registry model: Hiller UH-12C (registry code 4360116, https://openairdocs.org/model/hiller-uh-12c) (OpenAirDocs)
- Registry engine: Franklin 6VS-335 series (registry code 27040, https://openairdocs.org/engine/franklin-6vs-335-series) (OpenAirDocs)
- Reported make and model: HILLER UH12C
- Reported engine: FRNKLN 6V335B
- People aboard: 1
- Fatal injuries: 0
- Pilot flight hours: 153 total, 147 in this make and model, 3 in the last 90 days
- NTSB investigation: [NTSB SEA95LA022](https://openairdocs.org/ntsb/SEA95LA022) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19941128039569A

## Narrative

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

FAILED TO TIMELY FLARE FROM PRACTICE AUTOROTATION. IMPACTED HARD. MAIN ROTORS CHOPPED TAILBOOM.

## 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 SEA95LA022](https://openairdocs.org/ntsb/SEA95LA022), Nov 28, 1994: Hiller UH-12C (N54594), Twisp, WA, substantial damage. Probable cause: AN UNEXPLAINED LOSS OF POWER AND THE STUDENT PILOT'S DELAYED APPLICATION OF COLLECTIVE DURING THE LANDING FLARE.

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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