# Accident 20200721011279A: Mcdonnell Douglas Helicopter 600N, Thompson Falls, MT, July 21, 2020

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: July 21, 2020, 09:00 local time
- Place: Thompson Falls, MT
- Damage: Substantial damage
- Phase of flight: Hover/Holding
- Operating rules: Rotorcraft external load (Part 133)
- Operator: 6M9L
- Location: 47.5597° N, 115.4395° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=47.5597&lon=-115.4395&mi=10
- Aircraft: N208MP, a cancelled registration (https://openairdocs.org/deregistered/N208MP-2021-04-13) (OpenAirDocs)
- Registry model: Mcdonnell Douglas Helicopter 600N (registry code 3027377, https://openairdocs.org/model/mcdonnell-douglas-helicopter-600n) (OpenAirDocs)
- Registry engine: Allison 250-C47 series (registry code 03029, https://openairdocs.org/engine/allison-250-c47-series) (OpenAirDocs)
- Reported make and model: MCDONNELL DOUGLAS HELICOPTER 600N
- Reported engine: ALLISON 250-C47
- People aboard: 1
- Fatal injuries: 0
- Other injuries: 0
- NTSB investigation: [NTSB WPR20LA235](https://openairdocs.org/ntsb/WPR20LA235) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20200721011279A

## Narrative

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

THE PILOT HAD JUST FINISHED AN EXTERNAL LOAD OPERATION AND WAS IN THE PROCESS OF LANDING WHEN THE HELICOPTER EXPIEANCE A LOSS OF POWER. WHEN THE PILOT NOTICED THE LOSS OF POWER, HE PERFORMED AN EMERGENCY LANDING. THE HELICOPTER IMPACTED THE GROUND AND REMAINED UPRIGHT AFTER THE IMPACT.

THE PILOT DIDN?T SUSTAIN ANY INJURIES DURING THE ACCIDENT.  NO PERSONS OR PROPERTY WERE AFFECTED BY THE HELICOPTER IMPACTING THE GROUND.

## 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 WPR20LA235](https://openairdocs.org/ntsb/WPR20LA235), Jul 21, 2020: Mcdonnell Douglas 600 (N208MP), Thompson Falls, MT, substantial damage. Probable cause: A partial loss of engine power for reasons that could not be determined based on available evidence.

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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