Crash-aerien 10 MAR 1964 d'un Douglas DC-4 N384 - Boston-Logan International Airport, MA (BOS)
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Statuts:Accident investigation report completed and information captured
Date:mardi 10 mars 1964
Heure:08:22
Type/Sous-type:Silhouette image of generic DC4 model; specific model in this crash may look slightly different
Douglas DC-4
Compagnie:Slick Airways
Immatriculation: N384
Numéro de série: 18379
Année de Fabrication: 1944
Heures de vol:40233
Moteurs: 4 Pratt & Whitney R-2000
Equipage:victimes: 3 / à bord: 3
Passagers:victimes: 0 / à bord: 0
Total:victimes: 3 / à bord: 3
Dégats de l'appareil: Perte Totale
Conséquences: Written off (damaged beyond repair)
Lieu de l'accident:2,1 km (1.3 milles) SW of Boston-Logan International Airport, MA (BOS) (   Etats-Unis d'Amérique)
Phase de vol: En approche (APR)
Nature:Cargo
Aéroport de départ:Windsor Locks-Bradley International Airport, CT (BDL/KBDL), Etats-Unis d'Amérique
Aéroport de destination:Boston-Logan International Airport, MA (BOS/KBOS), Etats-Unis d'Amérique
Numéro de vol: 12
Détails:
Flight 12 departed New York at 06:14 EST and Windsor Locks at 07:35 while on a cargo flight to Boston. The aircraft was on a runway 04R ILS approach when the nose suddenly pitched downward about 60 degrees, causing the aircraft to crash out of control, 7000 feet short of the runway threshold.
Weather reported to the flight was: scattered clouds 400 feet, ceiling 700 feet overcast, visibility 1,5 miles in moderate sleet and fog. While descending through 3000 feet, the crew had requested a lower altitude because of moderate to heavy rime ice being encountered.

Probable Cause:

PROBABLE CAUSE: "Loss of balancing forces on the horizontal surface of the empennage of the aircraft, due to ice accretion, causing the aircraft to pitch nose down at an altitude too low to effect recovery."

Accident investigation:

Investigating agency: CAB
Status: Investigation completed
Accident number: final report
Download report: Final report

Sources:
» ICAO Aircraft Accident Digest No.16, Circular 82-AN/69 (97-102)


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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 Windsor Locks-Bradley International Airport, CT et Boston-Logan International Airport, MA est de 145 km (91 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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