Narrative:
During the initial climb after takeoff, just after the aircraft passed 400 feet above ground level (agl), the pilot shut off the fuel boost pumps in preparation for the en route climb. Soon thereafter, one of the engines lost power without warning, and because he was carrying a heavy load, he immediately feathered the propeller and started looking for a place to put the aircraft down. Because there was rising terrain and scattered houses south of the airport, he had to maneuver to get to an open area. During the forced landing on the uneven terrain, one of the landing gear legs collapsed, and the aircraft impacted the terrain and slid into a power pole. A post-accident teardown inspection of the engine and the aircraft systems did not reveal any anomalies that would have resulted in the failure of the engine that lost power.
PROBABLE CAUSE: "The loss of power in one engine, for undetermined reasons, soon after establishing the takeoff departure climb. Factors include rough/uneven terrain."
| Status: | Accident investigation report completed and information captured |
| Date: | Saturday 28 April 2007 |
| Time: | 11:05 |
| Type: |  Britten-Norman BN-2A-20 Islander |
| Operator: | McCall Aviation |
| Registration: | N634MA |
| MSN: | 464 |
| First flight: | 1975-09-10 (31 years 8 months) |
| Total airframe hrs: | 16257 |
| Engines: | 2 Lycoming IO-540-K1B5 |
| Crew: | Fatalities: 0 / Occupants: 1 |
| Passengers: | Fatalities: 0 / Occupants: 0 |
| Total: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Damaged beyond repair |
| Location: | S of Hamilton-Ravalli County Airport, MT ( United States of America)
|
| Phase: | Initial climb (ICL) |
| Nature: | Domestic Non Scheduled Passenger |
| Departure airport: | Hamilton-Ravalli County Airport, MT, United States of America |
| Selway Lodge Airstrip, ID, United States of America |
During the initial climb after takeoff, just after the aircraft passed 400 feet above ground level (agl), the pilot shut off the fuel boost pumps in preparation for the en route climb. Soon thereafter, one of the engines lost power without warning, and because he was carrying a heavy load, he immediately feathered the propeller and started looking for a place to put the aircraft down. Because there was rising terrain and scattered houses south of the airport, he had to maneuver to get to an open area. During the forced landing on the uneven terrain, one of the landing gear legs collapsed, and the aircraft impacted the terrain and slid into a power pole. A post-accident teardown inspection of the engine and the aircraft systems did not reveal any anomalies that would have resulted in the failure of the engine that lost power.
Probable Cause:
PROBABLE CAUSE: "The loss of power in one engine, for undetermined reasons, soon after establishing the takeoff departure climb. Factors include rough/uneven terrain."
Accident investigation:
 |
|
Classification:
Forced landing outside airport
Sources:
» NTSBPhotos
Map
This map shows the airport of departure and the intended destination of the flight. The line between the airports does not display the exact flight path.
Distance from Hamilton-Ravalli County Airport, MT to Selway Lodge Airstrip, ID as the crow flies is 61 km (38 miles).
Distance from Hamilton-Ravalli County Airport, MT to Selway Lodge Airstrip, ID as the crow flies is 61 km (38 miles).
This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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