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Last updated: 23 January 2022
Status:Definitief
Datum:vrijdag 11 september 1998
Tijd:06:24
Type:Silhouette image of generic B763 model; specific model in this crash may look slightly different
Boeing 767-34AF
Luchtvaartmaatschappij:United Parcel Service - UPS
Registratie: N316UP
Constructienummer: 27744/660
Bouwjaar: 1997-05-11 (1 year 4 months)
Aantal vlieguren:2810
Aantal vluchten:1170
Motoren: 2 General Electric CF6-80C2B7F
Bemanning:slachtoffers: 0 / inzittenden: 2
Passagiers:slachtoffers: 0 / inzittenden: 0
Totaal:slachtoffers: 0 / inzittenden: 2
Schade: Groot
Gevolgen: Repaired
Plaats:Houston-Ellington Field, TX (EFD) (   Verenigde Staten)
Fase: Landing (LDG)
Soort vlucht:Vracht
Vliegveld van vertrek:Louisville-Standiford Field, KY (SDF/KSDF), Verenigde Staten
Vliegveld van aankomst:Houston-Ellington Field, TX (EFD/KEFD), Verenigde Staten
Vluchtnummer: 774
Beschrijving:
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:
cover
Investigating agency: NTSB
Status: Investigation completed
Duration: 8 years and 6 months
Accident number: FTW98FA380
Download report: Summary report

Bronnen:
» NTSB


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Kaart
Deze kaart geeft het vliegveld van vetrek weer en de geplande bestemming van de vlucht. De lijn tussen de vliegvelden geeft niet de exacte vliegroute weer.
De afstand tussen Louisville-Standiford Field, KY en Houston-Ellington Field, TX bedraagt 1280 km (800 miles).
Accident location: Approximate; accuracy within a few kilometers.

This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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