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Accident
Last updated: 20 October 2017
Status:Definitief
Datum:zondag 3 oktober 1993
Tijd:15:55
Type:Silhouette image of generic MD83 model; specific model in this crash may look slightly different
McDonnell Douglas DC-9-83 (MD-83)
Luchtvaartmaatschappij:BWIA International
Registratie: 9Y-THR
Constructienummer: 49568/1380
Bouwjaar: 1987
Aantal vlieguren:14657
Motoren: 2 Pratt & Whitney JT8D-219
Bemanning:slachtoffers: 0 / inzittenden: 6
Passagiers:slachtoffers: 0 / inzittenden: 76
Totaal:slachtoffers: 0 / inzittenden: 82
Schade: Groot
Gevolgen: Repaired
Plaats:nabij Miami, FL (   Verenigde Staten)
Fase: Kruisvlucht (ENR)
Soort vlucht:Internationale lijnvlucht
Vliegveld van vertrek:Miami International Airport, FL (MIA/KMIA), Verenigde Staten
Vliegveld van aankomst:Bridgetown-Grantley Adams International Airport (BGI/TBPB), Barbados
Vluchtnummer: 431
Beschrijving:
BWIA flight 431 experienced an explosion in the forward galley during climb to cruise altitude. The airplane was substantially damaged, 1 flight attendant received serious injuries and 1 flight attendant received minor injuries. The flight had originated from Miami, FL, about 15:25 and landed back at there around 16,25 the same day.
Examination of the airplane revealed that a water heater, Nordskog model, had over pressurized and exploded. The entire forward galley and the cabin wall to the cockpit was destroyed.

Probable Cause:

PROBABLE CAUSE: "The failure of the water heater relay and the overpressure relief valve to operate properly. In addition, the design of the relief valve was inadequate in that it allowed the O-ring to migrate from its normal position preventing the valve from opening."

Bronnen:
» Air Safety Week 13 December 1993 (p. 10)
» Air Safety Week nr.40-1993
» Aviation Week & Space Technology 18 October 1993 (40)


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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 Miami International Airport, FL en Bridgetown-Grantley Adams International Airport bedraagt 2577 km (1611 miles).

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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