# Accident 20010831025399A: Kawasaki Vertol KV107-11, Emigrant, MT, August 31, 2001

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: August 31, 2001, 09:05 local time
- Place: Emigrant, MT
- Damage: No damage
- Operating rules: General operating rules (Part 91)
- Operator: CHIA
- Location: 45.3233° N, 110.7317° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=45.3233&lon=-110.7317&mi=10
- Aircraft: N186CH, a cancelled registration (https://openairdocs.org/deregistered/N186CH-2015-01-14) (OpenAirDocs)
- Registry model: Kawasaki Vertol KV107-11 (registry code 4820101, https://openairdocs.org/model/kawasaki-vertol-kv107-11) (OpenAirDocs)
- Registry engine: GE CT58 series (registry code 30011, https://openairdocs.org/engine/ge-ct58-series) (OpenAirDocs)
- NTSB investigation: [NTSB SEA01MA163](https://openairdocs.org/ntsb/SEA01MA163) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20010831025399A

## Narrative

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

(-23) HELICOPTER WAS PERFORMING MAINTENANCE TEST FLIGHT WHEN, FOR YET TO BE DETERMINED REASONS, IT SHED ITS BLADES BOTH FRONT AND REAR. EIR OPENED - FAILURE TO USE MAINTENANCE CHECKLIST.

## 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 SEA01MA163](https://openairdocs.org/ntsb/SEA01MA163), Aug 31, 2001: Kawasaki KV-107-II (N186CH), Emigrant, MT, destroyed, 3 fatal. Probable cause: The loss of control during cruise/climb flight for undetermined reasons.

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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