
Descripción:
On touchdown at Norway House (YNE), when propeller reverse was selected, the Metro II aircraft turned toward the left side of runway 05. Before the turn could be corrected, the left main tire passed beyond the runway lights and contacted loose snow. The aircraft traversed a ditch then climbed a soil-covered rocky embankment. All three landing gears collapsed and the aircraft came to rest upright and on its belly. The crew and passengers exited the aircraft via the over-wing exits and the main door stairway.
FINDINGS AS TO CAUSES AND CONTRIBUTING FACTORS:
1. The left engine fuel control support assembly failed in fatigue and released one of three attachment bolts, which resulted in a slight displacement of the fuel control and changed the propeller control dimension. As a result, Beta pressure was achieved and propeller reverse was available for the left engine before it was available for the right engine.
2. The pilot selected thrust reverse without confirmation that the Beta lights were on for both engines, and the aircraft veered from the runway, most likely as a result of temporary asymmetric thrust.
» CADORS Number: 2006C2910
accident date: 08-11-2006
type: Swearingen SA226-TC Metro II
registration: C-FTNV
| Estado: | Accident investigation report completed and information captured |
| Fecha: | miércoles 8 noviembre 2006 |
| Hora: | 08:34 |
| Tipo: |  Swearingen SA226-TC Metro II |
| Operador: | Perimeter Airlines (Inland) |
| Registración: | C-FTNV |
| Numéro de série: | TC-239E |
| Año de Construcción: | 1978 |
| Motores: | 2 Garrett TPE331-10UA-511G |
| Tripulación: | Fatalidades: 0 / Ocupantes: 2 |
| Pasajeros: | Fatalidades: 0 / Ocupantes: 7 |
| Total: | Fatalidades: 0 / Ocupantes: 9 |
| Daños en la Aeronave: | Considerable |
| Consecuencias: | Written off (damaged beyond repair) |
| Ubicación: | Norway House Airport, MB (YNE) ( Canadá)
|
| Fase: | Aterrizaje (LDG) |
| Naturaleza: | Vuelo Doméstico Programado |
| Aeropuerto de Salida: | Winnipeg International Airport, MB (YWG/CYWG), Canadá |
| Norway House Airport, MB (YNE/CYNE), Canadá | |
| Número de Vuelo: | 105 |
On touchdown at Norway House (YNE), when propeller reverse was selected, the Metro II aircraft turned toward the left side of runway 05. Before the turn could be corrected, the left main tire passed beyond the runway lights and contacted loose snow. The aircraft traversed a ditch then climbed a soil-covered rocky embankment. All three landing gears collapsed and the aircraft came to rest upright and on its belly. The crew and passengers exited the aircraft via the over-wing exits and the main door stairway.
Probable Cause:
FINDINGS AS TO CAUSES AND CONTRIBUTING FACTORS:
1. The left engine fuel control support assembly failed in fatigue and released one of three attachment bolts, which resulted in a slight displacement of the fuel control and changed the propeller control dimension. As a result, Beta pressure was achieved and propeller reverse was available for the left engine before it was available for the right engine.
2. The pilot selected thrust reverse without confirmation that the Beta lights were on for both engines, and the aircraft veered from the runway, most likely as a result of temporary asymmetric thrust.
Accident investigation:

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Fuentes:
» Airplane veers off runway in northern Manitoba (Winnipeg Sun, 8-11-2006)» CADORS Number: 2006C2910
Fotos
accident date: 08-11-2006
type: Swearingen SA226-TC Metro II
registration: C-FTNV
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 Winnipeg International Airport, MB to Norway House Airport, MB as the crow flies is 449 km (280 miles).
Accident location: Approximate; accuracy within a few kilometers.
Distance from Winnipeg International Airport, MB to Norway House Airport, MB as the crow flies is 449 km (280 miles).
Accident location: Approximate; accuracy within a few kilometers.
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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