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Accident
Last updated: 13 December 2017
Statuts:Enquête Officielle
Date:samedi 2 mars 2002
Heure:06:20
Type/Sous-type:Silhouette image of generic B752 model; specific model in this crash may look slightly different
Boeing 757-222
Compagnie:United Airlines
Immatriculation: N589UA
Numéro de série: 28707/773
Année de Fabrication:
Heures de vol:17618
Equipage:victimes: 0 / à bord: 6
Passagers:victimes: 0 / à bord: 83
Total:victimes: 0 / à bord: 89
Dégats de l'appareil: Substantiels
Conséquences: Repaired
Lieu de l'accident:Seattle/Tacoma International Airport, WA (SEA) (   Etats-Unis d'Amérique)
Phase de vol: En attente (STD)
Nature:Transport de Passagers Nat.
Aéroport de départ:Seattle/Tacoma International Airport, WA (SEA/KSEA), Etats-Unis d'Amérique
Aéroport de destination:Chicago-O'Hare International Airport, IL (ORD/KORD), Etats-Unis d'Amérique
Détails:
A United Airlines Boeing 757-200, N589UA, was impacted by the boom of a de-icing truck while it was standing in position on the ramp with the engines running. There were no injuries, but the aircraft sustained substantial damage. The scheduled domestic passenger flight was preparing to depart for Chicago-O'Hare International Airport, Illinois.
After completing de-icing procedures on a company Boeing 757-200, the driver of the de-icing truck maneuvered his truck in a manner that caused the de-icing basket boom to impact the trailing edge of the aircraft's left aileron. The boom penetrated the aileron to a depth of almost two feet and damaged its spar. The investigation revealed that while backing out from his position behind the aircraft's left wing, the driver had inadvertently turned his steering wheel in a direction that caused the boom, which is mounted on the back end of the truck, to converge on the trailing edge of the aileron.

Probable Cause:

The failure of the deicing truck driver to insure that the deicing basket boom remained clear of the aircraft structure as he backed away from the position he had been in while performing deicing procedures.

Accident investigation:
cover
Investigating agency: NTSB
Status: Investigation completed
Duration: 93 days (3 months)
Accident number: SEA02LA049
Download report: Summary report

Sources:
» NTSB


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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 Seattle/Tacoma International Airport, WA et Chicago-O'Hare International Airport, IL est de 2742 km (1714 miles).

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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