Narrative:
The DC-3 crashed in the woods in the village of Koivulahti, some 10,5 km from the Vaasa runway.
PROBABLE CAUSE: "The probable cause of the accident was the wrong execution of a left turn at low altitude at night, as a result of which the aircraft stalled, lost its manoeuvrability and went into a spin. Contributing factor: As a consequence of having had alcoholic drinks and insufficient sleep the night before the, the pilot was not considered to be in a satisfactory mental and physical condition to undertake the flight. For the same reason, the co-pilot should not have been allowed to start on the flight in question."
Loss of control
accident date: 03-01-1961
type: Douglas C-47A (DC-3)
registration: OH-LCC
| Status: | Accident investigation report completed and information captured |
| Date: | Tuesday 3 January 1961 |
| Time: | 07:40 |
| Type: |  Douglas C-47A-30-DK (DC-3C) |
| Operator: | Aero OY |
| Registration: | OH-LCC |
| MSN: | 25511/14066 |
| First flight: | 1944 |
| Total airframe hrs: | 24349 |
| Engines: | 2 Pratt & Whitney R-1830-92 |
| Crew: | Fatalities: 3 / Occupants: 3 |
| Passengers: | Fatalities: 22 / Occupants: 22 |
| Total: | Fatalities: 25 / Occupants: 25 |
| Aircraft damage: | Destroyed |
| Aircraft fate: | Written off (damaged beyond repair) |
| Location: | Koivulahti ( Finland)
|
| Phase: | Approach (APR) |
| Nature: | Domestic Scheduled Passenger |
| Departure airport: | Kokkola/Pietarsaari-Kruunupyy Airport (KOK/EFKK), Finland |
| Vaasa Airport (VAA/EFVA), Finland | |
| Flightnumber: | AY311 |
The DC-3 crashed in the woods in the village of Koivulahti, some 10,5 km from the Vaasa runway.
Probable Cause:
PROBABLE CAUSE: "The probable cause of the accident was the wrong execution of a left turn at low altitude at night, as a result of which the aircraft stalled, lost its manoeuvrability and went into a spin. Contributing factor: As a consequence of having had alcoholic drinks and insufficient sleep the night before the, the pilot was not considered to be in a satisfactory mental and physical condition to undertake the flight. For the same reason, the co-pilot should not have been allowed to start on the flight in question."
Accident investigation:
 |
|
Classification:
Flightcrew member's alcohol, drug usageLoss of control
Sources:
» Douglas DC-3 Production List (Issue no. 28)Photos
accident date: 03-01-1961
type: Douglas C-47A (DC-3)
registration: OH-LCC
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 Kokkola/Pietarsaari-Kruunupyy Airport to Vaasa Airport as the crow flies is 101 km (63 miles).
Accident location: Approximate; accuracy within a few kilometers.
Distance from Kokkola/Pietarsaari-Kruunupyy Airport to Vaasa Airport as the crow flies is 101 km (63 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.
languages: 
Finland
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Douglas DC-3
- ca 13.000 built
- 3518th loss
- 1363rd fatal accident
- 61st worst accident (at the time)
- 113th worst accident (currently)
Finland- The worst accident
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