Crash-aerien 11 SEP 1998 d'un Boeing 767-34AF N316UP - Houston-Ellington Field, TX (EFD)
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Statuts:Accident investigation report completed and information captured
Date:vendredi 11 septembre 1998
Heure:06:24
Type/Sous-type:Silhouette image of generic B763 model; specific model in this crash may look slightly different
Boeing 767-34AF
Compagnie:United Parcel Service - UPS
Immatriculation: N316UP
Numéro de série: 27744/660
Année de Fabrication: 1997-05-11 (1 year 4 months)
Heures de vol:2810
Cycles:1170
Moteurs: 2 General Electric CF6-80C2B7F
Equipage:victimes: 0 / à bord: 2
Passagers:victimes: 0 / à bord: 0
Total:victimes: 0 / à bord: 2
Dégats de l'appareil: Substantiels
Conséquences: Repaired
Lieu de l'accident:Houston-Ellington Field, TX (EFD) (   Etats-Unis d'Amérique)
Phase de vol: A l'atterrissage (LDG)
Nature:Cargo
Aéroport de départ:Louisville-Standiford Field, KY (SDF/KSDF), Etats-Unis d'Amérique
Aéroport de destination:Houston-Ellington Field, TX (EFD/KEFD), Etats-Unis d'Amérique
Numéro de vol: 774
Détails:
Weather in the area of the destination of UPS flight 774 was influenced by tropical storm "Frances". After executing a missed approach on their first ILS approach to runway 17R, the flight was vectored around the weather for a second approach. The controller then suggested an ILS approach for runway 35L to avoid thunderstorms transiting near the final approach course for runway 17. The crew accepted the offer and the airplane was vectored for the Cat I ILS approach to runway 35L. The approach was stabilized and uneventful, but after touchdown the aircraft did not seem to decelerate. After touchdown, the aircraft gradually drifted to the left of centerline and ran off the side. The right main landing gear strut fractured during the off runway excursion and the dual tandem wheel truck penetrated the airframe. The right engine separated from the pylon subsequent to ground impact.

Probable Cause:

PROBABLE CAUSE: "The flight crew's decision to land with convective activity over the airport with a prevailing crosswind to a quartering tailwind, on an ungrooved, flooded runway, which resulted in hydroplaning and a loss of directional control. Factors contributing to the accident were: prevailing dark night conditions; severe weather conditions associated with a major tropical storm, such as convective activity, strong crosswinds, the quartering tailwind, and torrential rain. Also contributing to the accident were the operator's failure to provide the flight crew with up-to-date weather forecasts, in-flight weather advisories, and pertinent NOTAMS relating to the safe operation of the flight."

Accident investigation:

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Investigating agency: NTSB
Status: Investigation completed
Duration: 8 years and 6 months
Accident number: FTW98FA380
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 Louisville-Standiford Field, KY et Houston-Ellington Field, TX est de 1280 km (800 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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