# Accident 19780721031029A: Hiller OH23G, Mesa, WA, July 21, 1978

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: July 21, 1978
- Place: Mesa, WA
- Damage: Substantial damage
- Phase of flight: Low Level Operations
- Location: 46.5735° N, 119.0013° W: Placed by OpenAirDocs: center of Mesa, WA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=46.5735&lon=-119.0013&mi=10
- Aircraft: N99575, a cancelled registration (https://openairdocs.org/deregistered/N99575-2018-01-17) (OpenAirDocs)
- Registry model: Hiller OH-23G (registry code 4360121, https://openairdocs.org/model/hiller-oh-23g) (OpenAirDocs)
- Reported make and model: HILLER OH23G
- Fatal injuries: 0
- Pilot flight hours: 12,500 total, 550 in this make and model, 110 in the last 90 days
- NTSB investigation: [NTSB SEA78DYP44](https://openairdocs.org/ntsb/SEA78DYP44) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19780721031029A

## Narrative

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

DIRT IN REFUELING TANKS. T/R SEVERED TAIL BOOM.

## 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 SEA78DYP44](https://openairdocs.org/ntsb/SEA78DYP44), Jul 21, 1978: Hiller Acft UH-12E (N99575), Mesa, WA, substantial damage

## Other reports on N99575 (1)

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

- [Accident 19810529035939A](https://openairdocs.org/incident/19810529035939A), May 29, 1981: Hiller UH12E (N99575), Milton-Freewate, OR, Substantial damage. Helicopter crashed during attempted emergency landing after engine failure.

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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