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Accident
Last updated: 17 October 2017
Statuts:Enquête Officielle
Date:vendredi 8 novembre 1963
Heure:16:59 UTC
Type/Sous-type:Silhouette image of generic DC3 model; specific model in this crash may look slightly different
Douglas C-47A-35-DL (DC-3)
Compagnie:Aero OY
Immatriculation: OH-LCA
Numéro de série: 9799
Année de Fabrication: 1943
Heures de vol:30672
Moteurs: 2 Pratt & Whitney R-1830-92
Equipage:victimes: 2 / à bord: 3
Passagers:victimes: 20 / à bord: 22
Total:victimes: 22 / à bord: 25
Dégats de l'appareil: Perte Totale
Conséquences: Written off (damaged beyond repair)
Lieu de l'accident:1,5 km (0.9 milles) N of Mariehamn Airport (MHQ) (   Finlande)
Phase de vol: En approche (APR)
Nature:Transport de Passagers Nat.
Aéroport de départ:Turku Airport (TKU/EFTU), Finlande
Aéroport de destination:Mariehamn Airport (MHQ/EFMA), Finlande
Numéro de vol: 217
Détails:
Flight 217 operated on a Helsinki-Turku-Mariehamn flight and left Turku (TKU) at 16:20 GMT. The last leg of the flight was carried out at an altitude of 2000 feet. At 16:57 the crew reported over the MAR NDB on the inbound track to runway 20. During the approach the aircraft struck trees in a nearly horizontal attitude 1470 m before the threshold of the runway. The plane flipped over and caught fire.

Probable Cause:

PROBABLE CAUSE: "The Board considered that the ultimate cause of the accident was the pilot's misconception of his altitude. It was impossible to determine whether this was due to a wrong indication of the altimeter or human error. The defect, found in the pilot-in-command's altimeter, was regarded however as sufficient to have brought a wrong indication of the altitude which the pilot could not foresee. The cause of the accident was therefore established as follows: As a result of a wrong indication of the aircraft's pilot's altimeter during an instrument approach carried out in weather conditions worse than the weather approved for runway 20 at Mariehamn, the aircraft came below the safe flying altitude and hit trees on the approach line."

Sources:
» ICAO Accident Digest No.15 - Volume II, Circular 78-AN/66 (201-207)


Photos

photo of Douglas C-47A-35-DL (DC-3) OH-LCA
photo of Douglas C-47A-35-DL (DC-3) OH-LCA
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Plan
Ce plan montre l'aéroport de départ ainsi que la supposée destination du vol. La ligne fixe reliant les deux aéroports n'est pas le plan de vol exact.
La distance entre Turku Airport et Mariehamn Airport est de 136 km (85 miles).
Accident location: Approximate; accuracy within a few kilometers.

Les informations ci-dessus ne représentent pas l'opinion de la 'Flight Safety Foundation' ou de 'Aviation Safety Network' sur les causes de l'accident. Ces informations prélimimaires sont basées sur les faits tel qu'ils sont connus à ce jour.
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Douglas DC-3

  • ca 13.000 built
  • 3604ème loss
  • 1324ème accident fatal
  • le accident 127ème le plus grave (à ce moment là)
  • le accident 176ème le plus grave (en ce moment)
» safety profile

 Finlande
  • le accident 2ème le plus grave (à ce moment là)
  • le accident 2ème le plus grave (en ce moment)
» safety profile