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Accident
Last updated: 20 October 2017
Statuts:Enquête Officielle
Date:samedi 5 avril 1952
Heure:08:27
Type/Sous-type:Silhouette image of generic C46 model; specific model in this crash may look slightly different
Curtiss C-46F-1-CU Commando
Opérant pour:US Airlines
Loué à :United States Air Force - USAF
Immatriculation: N1911M
Numéro de série: 22464
Année de Fabrication: 1945
Heures de vol:4293
Moteurs: 2 Pratt & Whitney R-2800-75
Equipage:victimes: 2 / à bord: 2
Passagers:victimes: 0 / à bord: 0
Total:victimes: 2 / à bord: 2
Victimes au sol:victimes: 3
Dégats de l'appareil: Perte Totale
Conséquences: Written off (damaged beyond repair)
Lieu de l'accident:7 km (4.4 milles) N of New York-Idlewild International Airport, NY (IDL) (   Etats-Unis d'Amérique)
Phase de vol: En cours de manoeuvre (MNV)
Nature:Cargo
Aéroport de départ:Raleigh/Durham Airport, NC (RDU/KRDU), Etats-Unis d'Amérique
Aéroport de destination:New York-Idlewild International Airport, NY (IDL/KIDL), Etats-Unis d'Amérique
Numéro de vol: 4-2
Détails:
Flight 4-2 departed Fort Lauderdale at 00:55. The destination was Teterboro, New Jersey, with intermediate stops at Charleston. South Carolina, and Raleigh-Durham, North Carolina. The flight was routine with a landing at Raleigh-Durham at 05:24. Because of worsening weather at the destination the crew filed a flight plan to New York-Idlewild. The flight departed at 06:08. Near Idlewild the crew were told to hold over Scotland at 3,500 feet, and to expect approach clearance at 08:28. Idlewild weather was as follows: clouds at 500 feet broken, 1800 feet overcast, visibility 1 1/2 miles in heavy rain. When the approach controller first saw the flight on the airport surveillance radar (ASR) it was approaching Scotland. He asked the flight if it could make a straight-in approach from its present position and the flight replied affirmatively. It was then cleared for a straight-in approach, instructed to descend immediately, and to report passing through 2,500 feet. The flight acknowledged and subsequently reported leaving 2,500 feet, and then leaving 2,000 feet. The controller then cleared the flight to continue descent, to advise upon reaching 1,500 feet, and then cleared it to "pass over runway 04 and make left turn into runway 13 left."
The local controller then took over control of the flight and advised it to "bear left and make a right turn into runway 13L, that's the big runway on the north side of the airport, and call base leg coming up on the Federal Building. Go ahead and you'll probably be west of the Federal Building when you call." This was acknowledged by the flight. From an altitude of 500 feet the crew decided to execute a missed approach due to limited forward visibility. The tower gave immediate instruction to turn right and proceed to Long Beach intersection at 1,500 feet altitude. This transmission was acknowledged. Power was applied but then the no. 2 engine failed. In turbulent air conditions the pilot lost control of the plane. It descended rapidly in a sharply nose-down right slip taking on aspects of a spin, and crashed at the intersection of 169th Street and 89th Avenue, Jamaica, New York, about 4.4 miles north of the Idlewild control tower.

Probable Cause:

PROBABLE CAUSE: "Loss of control following sudden engine failure caused by a deteriorated fuel feed valve diaphragm during an attempted missed approach."

Sources:
» Air Britain Casualty compendium (pt. 54)
» CAB File No. 1-0021
» ICAO Circular 38-AN/33 (55-57)


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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 Raleigh/Durham Airport, NC et New York-Idlewild International Airport, NY est de 682 km (426 miles).
Accident location: Exact; deduced from official accident report.

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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