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Accident
Last updated: 14 December 2017
Statuts:Enquête Officielle
Date:lundi 16 août 1965
Heure:21:20
Type/Sous-type:Silhouette image of generic B721 model; specific model in this crash may look slightly different
Boeing 727-22
Compagnie:United Airlines
Immatriculation: N7036U
Numéro de série: 18328/146
Année de Fabrication: 1965-05-18 (3 months)
Heures de vol:611
Moteurs: 3 Pratt & Whitney JT8D-7
Equipage:victimes: 6 / à bord: 6
Passagers:victimes: 24 / à bord: 24
Total:victimes: 30 / à bord: 30
Dégats de l'appareil: Perte Totale
Conséquences: Written off (damaged beyond repair)
Lieu de l'accident:Lake Michigan, MI (   Etats-Unis d'Amérique)
Phase de vol: En vol (ENR)
Nature:Transport de Passagers Nat.
Aéroport de départ:New York-La Guardia Airport, NY (LGA/KLGA), Etats-Unis d'Amérique
Aéroport de destination:Chicago-O'Hare International Airport, IL (ORD/KORD), Etats-Unis d'Amérique
Numéro de vol:UA389
Détails:
The Boeing, just 3 months old, departed New York-LaGuardia at 19:52 for a flight to Chicago-O'Hare. The aircraft climbed to cruising altitude FL350, which was reached at 20:11. At 21:03 the flight was cleared to FL240 and further down to FL140 three minutes later. At 21:11 the crew were cleared to descend to 6000 feet. Last radio communications with the flight were at 21:19 when the crew were told to maintain 6000 feet and that ILS approaches were in progress on runway 14R. Shortly after this the aircraft crashed into Lake Michigan in 250 feet of water, 30 miles ENE of O'Hare Airport.

Probable Cause:

PROBABLE CAUSE: "The Board is not able to determine the reason for the aircraft not being leveled off at its assigned altitude of 6000ft."

Accident investigation:
cover
Investigating agency: NTSB
Status: Investigation completed
Duration: 2 years and 4 months
Accident number: NTSB File No.1-0030
Download report: Final report

Sources:
» ICAO Circular 88/74 Volume III (9-22)


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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 New York-La Guardia Airport, NY et Chicago-O'Hare International Airport, IL est de 1169 km (731 miles).
Accident location: Exact; as reported in the 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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