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Last updated: 24 May 2019
Status:Definitief
Datum:maandag 12 februari 1979
Tijd:13:00
Type:Silhouette image of generic N262 model; specific model in this crash may look slightly different
Mohawk 298 (Nord 262)
Luchtvaartmaatschappij:Allegheny Airlines
Registratie: N29824
Constructienummer: 48
Bouwjaar: 1968
Aantal vlieguren:9140
Motoren: 2 Pratt & Whitney Canada PT6A-45
Bemanning:slachtoffers: 1 / inzittenden: 3
Passagiers:slachtoffers: 1 / inzittenden: 22
Totaal:slachtoffers: 2 / inzittenden: 25
Schade: Afgeschreven
Gevolgen: Written off (damaged beyond repair)
Plaats:Clarksburg-Benedum Airport, WV (CKB) (   Verenigde Staten)
Fase: InitiŽle klim (ICL)
Soort vlucht:Binnenlandse lijnvlucht
Vliegveld van vertrek:Clarksburg-Benedum Airport, WV (CKB/KCKB), Verenigde Staten
Vliegveld van aankomst:Washington-National Airport, DC (DCA/KDCA), Verenigde Staten
Vluchtnummer: 561
Beschrijving:
At 11:16 Allegheny Flight 561 departed Clarksburg for a flight to Morgantown, WV but the pilot decided not to make an approach at Morgantown because the ILS glide slope was out of service, and the visibility was 1/2 mile. The flight returned to Clarksburg and landed at 11:46.
The aircraft was refueled and prepared for a rescheduled flight 561 to Washington-National Airport. The Nord 262 was de-iced between 12:20 and 12:35. When the crew taxied out at about 12:57 there was again some wet snow on all its horizontal surfaces.
Shortly after lift-off from runway 21 the aircraft rolled 45deg to the right, 45deg to the left and back to the right again until the wing struck the ground. The aircraft crashed and came to rest inverted.

Probable Cause:

PROBABLE CAUSE: "The captain's decision to take off with snow on the aircraft's wing and empennage surfaces which resulted in a loss of lateral control and a loss of lift as the aircraft ascended out of ground effect."

Accident investigation:
cover
Investigating agency: NTSB
Status: Investigation completed
Duration: 185 days (6 months)
Accident number: NTSB/AAR-79-12
Download report: Final report

Bronnen:
» NTSB Safety Recommendations A-80-112/114
» NTSB-AAR-79-12


Foto's

photo of Mohawk-298-F-BSTN
accident date: 12-02-1979
type: Mohawk 298
registration: F-BSTN
 

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 Clarksburg-Benedum Airport, WV en Washington-National Airport, DC bedraagt 278 km (174 miles).
Accident location: Approximate; accuracy within a few kilometers.

This information is not presented as the Flight Safety Foundation or the Aviation Safety Networkís 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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