Accident
Last updated: 17 September 2014
Status:
Date:Monday 5 January 1970
Time:22:25
Type:Convair CV-990-30A-5 Coronado
Operator:Spantax
Registration: EC-BNM
C/n / msn: 30-10-32
First flight: 1962
Total airframe hrs:16940
Engines: 4 General Electric CJ805-23
Crew:Fatalities: 0 / Occupants: 3
Passengers:Fatalities: 5 / Occupants: 7
Total:Fatalities: 5 / Occupants: 10
Airplane damage: Damaged beyond repair
Location:Stockholm-Arlanda Airport (ARN) (   Sweden) show on map
Phase: Initial climb (ICL)
Nature:Ferry/positioning
Departure airport:Stockholm-Arlanda Airport (ARN/ESSA), Sweden
Destination airport:Zürich-Kloten Airport (ZRH/LSZH), Switzerland
Narrative:
During the take-off for a charter flight to Palma de Mallorca the no. 4 engine developed some trouble. The take-off was aborted and the aircraft returned to the gate. It was decided to perform a three-engine ferry flight to Zürich for an engine-change. At 22:24 hours the aircraft started its take-off roll on runway 19. During the take-off roll, the nose yawed to the right. This was corrected by retarding no. 1 engine power from 85% to 80-60%. The aircraft rotated at 134 knots with 27 degrees flaps. While climbing, the aircraft banked 4-6 degrees to the right and the airspeed suddenly dropped to 10 knots below V2 (145kts). The Convair contacted some treetops, banked 10-15deg and crashed 1800m from the point of lift-off.

PROBABLE CAUSE: 1) Unexpected early loss of external visual reference after take-off and loss of directional control during transition from visual to instrument flying. 2) Windshear.

Sources:
» Flight International 15.1.70(76)
» ICAO Accident Digest Circular 118-AN/88 (25-42)


Photos

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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 Stockholm-Arlanda Airport to Zürich-Kloten Airport as the crow flies is 1475 km (922 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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