Accident
Last updated: 18 April 2014
Status:Definitief
Datum:woensdag 23 juni 1976
Tijd:17:12 EDT
Type:Silhouette image of generic DC93 model; specific model in this crash may look slightly different
McDonnell Douglas DC-9-31
Luchtvaartmaatschappij:Allegheny Airlines
Registratie: N994VJ
Constructienummer: 47333/481
Bouwjaar: 1969
Aantal vlieguren:21320
Motoren: 2 Pratt & Whitney JT8D-7A
Bemanning:slachtoffers: 0 / inzittenden: 4
Passagiers:slachtoffers: 0 / inzittenden: 102
Totaal:slachtoffers: 0 / inzittenden: 106
Schade: Afgeschreven
Gevolgen: Written off (damaged beyond repair)
Plaats:Philadelphia International Airport, PA (PHL) (   Verenigde Staten) show on map
Fase: Nadering (APR)
Soort vlucht:Binnenlandse lijnvlucht
Vliegveld van vertrek:Windsor Locks-Bradley International Airport, CT (BDL/KBDL), Verenigde Staten
Vliegveld van aankomst:Philadelphia International Airport, PA (PHL/KPHL), Verenigde Staten
Vluchtnummer: 121
Beschrijving:
The crew aborted the runway 27R approach at low altitude in heavy rain. The aircraft sank back. A tail strike occurred and the aircraft slid 2000 feet.

PROBABLE CAUSE: "The aircraft's encounter with severe horizontal and vertical wind shears near the ground as a result of the captain's continued approach into a clearly marginal severe weather condition. The aircraft's ability to cope under these conditions was borderline when flown according to standard operating procedures; however, if the aircraft's full aerodynamic and power capability had been used, the wind shear could probably have been flown through successfully. Contributing to the accident was the tower controller's failure to provide timely below-minimum RVR information."

Bronnen:
» ICAO Circular 146-AN/96 (148-161)
» NTSB-AAR-78-2

Official accident investigation report
investigating agency: National Transport Safety Bureau (NTSB) - USA
report status: Final
report number: NTSB/AAR-78-02
report released:19-JAN-1978
duration of investigation:575 days (1 year 7 months)
download report: Allegheny Airlines, Inc., Douglas DC-9 N994VJ, Philadelphia, Pennsylvania, June 23, 1976. (NTSB/AAR-78-02)

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NTSB issued 1 Safety Recommendation

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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 Windsor Locks-Bradley International Airport, CT en Philadelphia International Airport, PA bedraagt 312 km (195 miles).

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