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Last updated: 19 October 2021
Statuts:Enquête Officielle
Date:mardi 14 juin 1960
Heure:04:47
Type/Sous-type:Silhouette image of generic CONI model; specific model in this crash may look slightly different
Lockheed L-749A Constellation
Compagnie:Pacific Northern Airlines
Immatriculation: N1554V
Numéro de série: 2555
Année de Fabrication: 1947
Heures de vol:30560
Moteurs: 4 Wright R-3350
Equipage:victimes: 5 / à bord: 5
Passagers:victimes: 9 / à bord: 9
Total:victimes: 14 / à bord: 14
Dégats de l'appareil: Perte Totale
Conséquences: Written off (damaged beyond repair)
Lieu de l'accident:Mount Gilbert, AK (   Etats-Unis d'Amérique)
Phase de vol: En vol (ENR)
Nature:Transport de Passagers Nat.
Aéroport de départ:Cordova-Mudhole Smith Airport, AK (CDV/PACV), Etats-Unis d'Amérique
Aéroport de destination:Anchorage International Airport, AK (ANC/PANC), Etats-Unis d'Amérique
Numéro de vol: 201
Détails:
Pacific Northern Airlines Flight 201 (PN201), a Lockheed L-749A Constellation, N1554V, departed Seattle/Tacoma International Airport, WA (SEA) at 00:23, for Anchorage International Airport, AK (ANC), with a scheduled stop at Cordova Airport, AK (CDV).
The flight from Seattle to Cordova was routine and the flight landed at 03:46. After a quick turnaround the flight taxied out for takeoff on runway 8 at 04:13 and requested clearance to Anchorage. Clearance was issued with an en route altitude of 10,000 feet.
The crew reported to Anchorage ARTCC that they passed Hinchinbrook at 04:27, at 9,000 feet on instruments. They were estimating Whittier at 04:47. But the flight never reported passing Whittier.
It was found to have flown into the shear face of the 9646 feet high Mount Gilbert at the 9000 feet level. Mount Gilbert was 28nm to the right of the intended track.

Probable Cause:

PROBABLE CAUSE: "The failure of the crew to use all available navigational aids in establishing the aircrafts position on Amber 1 Airway, thereby allowing the aircraft to deviate from course and fly over hazardous terrain. A contributing factor was the failure of Air Defence Radar, which had been tracking the aircraft, to notify either ARTCC or the crew that the aircraft was proceeding on a dangerous course."

Sources:
» CAB Report


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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 Cordova-Mudhole Smith Airport, AK et Anchorage International Airport, AK est de 254 km (159 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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Lockheed L-749

  • 145 built
  • 22ème loss
  • 15ème accident fatal
  • le accident 13ème le plus grave (à ce moment là)
  • le accident 14ème le plus grave (en ce moment)
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