# Accident 19780306006809A: Hiller OH23G, Montesano, WA, March 6, 1978

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: March 6, 1978
- Place: Montesano, WA
- Damage: Substantial damage
- Phase of flight: Low Level Operations
- Location: 47.0147° N, 123.5857° W: Placed by OpenAirDocs: center of Montesano, WA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=47.0147&lon=-123.5857&mi=10
- Aircraft: N100LM, registered now (https://openairdocs.org/aircraft/N100LM) (OpenAirDocs)
- Registry model: Hiller UH-12E (registry code 4360122, https://openairdocs.org/model/hiller-uh-12e) (OpenAirDocs)
- Registry engine: Allison 250-C20 series (registry code 03020, https://openairdocs.org/engine/allison-250-c20-series) (OpenAirDocs)
- Reported make and model: HILLER OH23G
- Reported engine: ALLSN
- Fatal injuries: 0
- Pilot flight hours: 2,925 total, 150 in this make and model, 150 in the last 90 days
- NTSB investigation: [NTSB SEA78FYE11](https://openairdocs.org/ntsb/SEA78FYE11) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19780306006809A

## Narrative

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

CARRYING CEDAR BLOCKS. 2ND STAGE REDUCTION GEAR FAILED. LANDED ON SIDE

## 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 SEA78FYE11](https://openairdocs.org/ntsb/SEA78FYE11), Mar 6, 1978: Hiller Acft UH-12E (N100LM), Montesano, WA, substantial damage

## Other reports on N100LM (2)

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

- [Accident 19930811029049A](https://openairdocs.org/incident/19930811029049A), Aug 11, 1993: Hiller UH12E (N100LM), Dixon, CA, Destroyed. Flying under wires, rotor assembly struck guy sires. Helicopter tumbled on forced landing in tomato field.
- [Accident 19841218075289A](https://openairdocs.org/incident/19841218075289A), Dec 18, 1984: Hiller STCUH12 (N100LM), Hoquiam, WA, Substantial damage. Emergency landing onto heavily timbered and sloping terrain because of engine failure. No prist in fuel.

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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