# Accident 19860329037559A: Hiller UH12D, Walla Walla, WA, March 29, 1986

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: March 29, 1986, 17:15 local time
- Place: Walla Walla, WA
- Damage: Destroyed
- Phase of flight: Fcd/Prec Ldg From Cruise
- Operating rules: Agricultural (Part 137)
- Location: 46.1091° N, 118.2999° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=46.1091&lon=-118.2999&mi=10
- Aircraft: N87595, a cancelled registration (https://openairdocs.org/deregistered/N87595-2013-02-20) (OpenAirDocs)
- Registry model: Hiller UH-12D (registry code 4360118, https://openairdocs.org/model/hiller-uh-12d) (OpenAirDocs)
- Registry engine: Lycoming VO-435 series (registry code 41525, https://openairdocs.org/engine/lycoming-vo-435-series) (OpenAirDocs)
- Reported make and model: HILLER UH12D
- Reported engine: LYC TIVO540A2A
- Fatal injuries: 0
- Pilot flight hours: 3,393 total, 541 in this make and model, 61 in the last 90 days
- NTSB investigation: [NTSB SEA86LA089](https://openairdocs.org/ntsb/SEA86LA089) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19860329037559A

## Narrative

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

TRANSMISSION PLANETARY GEAR FAILED. HIT GROUND TAIL LOW ON TURN BACK TO LANDING SIGHT. DESTROYED BY FIRE.

## 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 SEA86LA089](https://openairdocs.org/ntsb/SEA86LA089), Mar 30, 1986: Hiller 12E (N87595), Walla Walla, WA, destroyed

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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