# Accident 20070428006199A: Bnorm BN2A20, Hamilton, MT, April 28, 2007

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: April 28, 2007, 10:59 local time
- Place: Hamilton, MT
- Airport: Ravalli County Airport
- Damage: Destroyed
- Phase of flight: Climb
- Operating rules: Air taxi and commuter (Part 135)
- Operator: M2LA
- Location: 46.2556° N, 114.1236° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=46.2556&lon=-114.1236&mi=10
- Aircraft: N634MA, a cancelled registration (https://openairdocs.org/deregistered/N634MA-2009-01-20) (OpenAirDocs)
- Registry model: Britten-Norman BN-2A-20 (registry code 1520220, https://openairdocs.org/model/britten-norman-bn-2a-20) (OpenAirDocs)
- Registry engine: Lycoming IO-540 series (registry code 41530, https://openairdocs.org/engine/lycoming-io-540-series) (OpenAirDocs)
- Reported make and model: BNORM BN2A20
- Reported engine: LYC IO540K1B5
- Fatal injuries: 0
- Pilot flight hours: 13,000 total, 2,500 in this make and model, 30 in the last 90 days
- NTSB investigation: [NTSB SEA07LA114](https://openairdocs.org/ntsb/SEA07LA114) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20070428006199A

## Narrative

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

(-23) ON APRIL 28, 2007, AT 10:59 A.M. MOUNTAIN DAYLIGHT TIME, A BRITTEN-NORMAN BN-2A LOST POWER TO THE RIGHT ENGINE SHORTLY AFTER TAKE-OFF AT THE RAVALLI COUNTY AIRPORT IN HAMILTON, MONTANA, AND COLLIDED WITH TERRAIN 1.5 MILES SOUTH OF THE AIRPORT. VISUAL METEOROLOGICAL CONDITIONS PREVAILED AT THE TIME. THE PILOT SUSTAINED MINOR INJURIES, AND THE AIRCRAFT WAS SUBSTANTIALLY DAMAGED. THE FLIGHT ORIGINATED AT HAMILTON (6S5), MONTANA.

## 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 SEA07LA114](https://openairdocs.org/ntsb/SEA07LA114), Apr 28, 2007: Britten-Norman BN-2A-20 (N634MA), Hamilton, MT, substantial damage. Probable cause: The loss of power in one engine, for undetermined reasons, soon after establishing the takeoff departure climb. Factors include rough/uneven terrain.

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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