Narrative:
An Air Senegal DHC-6 Twin Otter (6V-ADE) collided in mid-air with a Gambia Airways NAMC YS-11 (C5-GAA) near Dakar's Yoff Airport in Senegal.
The Twin Otter was en route to Dakar and the flight was instructed to descend and maintain 3000 feet and report over the Dakar YF VOR. The YS-11 had just departed Dakar en route to Banjul, Gambia. The flight was instructed to climb to 2000 feet and intercept the radial 140 of the YF VOR.
Failure to respect the assigned altitude caused both planes to collide at 2700-2900 feet. The DHC-6 crashed into the sea, but the NAMC YS-11 managed to return to Dakar.
Loss of control
» Scramble 177
accident date: 09-12-1993
type: de Havilland Canada DHC-6 Twin Otter 300
registration: 6V-ADE
| Status: | Information verified through authorities or other official sources. |
| Date: | Thursday 9 December 1993 |
| Time: | 18:39 |
| Type: |  de Havilland Canada DHC-6 Twin Otter 300 |
| Operator: | Air Senegal |
| Registration: | 6V-ADE |
| MSN: | 393 |
| First flight: | 1973 |
| Engines: | 2 Pratt & Whitney Canada PT6A-27 |
| Crew: | Fatalities: 1 / Occupants: 1 |
| Passengers: | Fatalities: 2 / Occupants: 2 |
| Total: | Fatalities: 3 / Occupants: 3 |
| Aircraft damage: | Damaged beyond repair |
| Location: | off Dakar-Yoff Airport (DKR) ( Senegal)
|
| Phase: | Approach (APR) |
| Nature: | Domestic Scheduled Passenger |
| Departure airport: | Cap Skirring Airport (CSK/GOGS), Senegal |
| Dakar-Yoff Airport (DKR/GOOY), Senegal |
An Air Senegal DHC-6 Twin Otter (6V-ADE) collided in mid-air with a Gambia Airways NAMC YS-11 (C5-GAA) near Dakar's Yoff Airport in Senegal.
The Twin Otter was en route to Dakar and the flight was instructed to descend and maintain 3000 feet and report over the Dakar YF VOR. The YS-11 had just departed Dakar en route to Banjul, Gambia. The flight was instructed to climb to 2000 feet and intercept the radial 140 of the YF VOR.
Failure to respect the assigned altitude caused both planes to collide at 2700-2900 feet. The DHC-6 crashed into the sea, but the NAMC YS-11 managed to return to Dakar.
Classification:
Mid air collisionLoss of control
Sources:
» ICAO Adrep Summary 1/94 (#105)» Scramble 177
Photos
accident date: 09-12-1993
type: de Havilland Canada DHC-6 Twin Otter 300
registration: 6V-ADE
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 Cap Skirring Airport to Dakar-Yoff Airport as the crow flies is 270 km (169 miles).
Accident location: Approximate; accuracy within a few kilometers.
Distance from Cap Skirring Airport to Dakar-Yoff Airport as the crow flies is 270 km (169 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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