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Last updated: 24 October 2021
Status:Definitief
Datum:zaterdag 7 juli 1962
Tijd:00:10
Type:Douglas DC-8-43
Luchtvaartmaatschappij:Alitalia
Registratie: I-DIWD
Constructienummer: 45631/160
Bouwjaar: 1962
Aantal vlieguren:964
Motoren: 4 Rolls-Royce Conway 508-12
Bemanning:slachtoffers: 9 / inzittenden: 9
Passagiers:slachtoffers: 85 / inzittenden: 85
Totaal:slachtoffers: 94 / inzittenden: 94
Schade: Vernield
Gevolgen: Written off (damaged beyond repair)
Plaats:11 km (6.9 mijl) NW of Junnar (   India)
Fase: Kruisvlucht (ENR)
Soort vlucht:Internationale lijnvlucht
Vliegveld van vertrek:Bangkok-Don Muang International Airport (BKK/VTBD), Thailand
Vliegveld van aankomst:Bombay-Santacruz Airport (BOM/VABB), India
Vluchtnummer:AZ771
Beschrijving:
Alitalia flight 771 was a scheduled flight from Sydney (Australia) to Rome (Italy) via Darwin (Australia), Singapore, Bangkok (Thailand), Bombay (India), Karachi (Pakistan) and Tehran (Iran). It departed Bangkok Airport for Bombay-Santacruz Airport at 15:16 UTC (22:16 local time). At 18:20 UTC (22:50 local time) the crew contacted Bombay Approach and received clearance to descend from FL350 to FL200. Five minutes later further clearance was given to 4000 feet. In preparation for a runway 27 approach, the crew reported that they would make a 360 degrees turn over the Outer Marker. Last radio contact was at 18:39 (00:09 local time). The DC-8 had descended below minimum safe altitude and struck the Davandyachi Hill at an elevation of approximately 3600 ft amsl (1098 m).

Probable Cause:

PROBABLE CAUSE: "The accident was attributed to a navigation error which led the pilot to believe that he was nearer his destination than he actually was and, therefore, caused him to make a premature descent in instrument conditions for a straight-in approach to land at night. The aircraft consequently, crashed into high terrain. Contributing causes were: 1) Failure on the part of the pilot to make use of the navigational facilities available in order to ascertain the correct position of the aircraft.
2) Infringement of the prescribed minimum safe altitude. 3) Unfamiliarity of the pilot with the terrain on the route."

Bronnen:
» ICAO Accident Digest No.14 Volume II, Circular 71-AN/63 (83-97)
» The Indian Express - Jul 8, 1962


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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 Bangkok-Don Muang International Airport en Bombay-Santacruz Airport bedraagt 2993 km (1870 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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