Accident
Last updated: 31 July 2014
Status:Schlussbericht
Datum:Samstag 7 Juli 1962
Zeit:ca 18:40 UTC
Flugzeugtyp:Douglas DC-8-43
Fluggesellschaft:Alitalia
Kennzeichen: I-DIWD
Werknummer: 45631/160
Baujahr: 1962
Betriebsstunden:964
Triebwerk: 4 Rolls-Royce Conway 508-12
Besatzung:Todesopfer: 9 / Insassen: 9
Fluggäste:Todesopfer: 85 / Insassen: 85
Gesamt:Todesopfer: 94 / Insassen: 94
Sachschaden: Zerstört
Konsequenzen: Written off (damaged beyond repair)
Unfallort:11 km (6.9 Meilen) NW of Junnar (   Indien) show on map
Flugphase: Während des Fluges (ENR)
Betriebsart:Internationaler Linienflug
Flug von:Bangkok-Don Muang International Airport (BKK/VTBD), Thailand
Flug nach:Bombay-Santacruz Airport (BOM/VABB), Indien
Flugnummer: 771
Unfallbericht:
Flight AZ771 was a scheduled flight between Sydney and Rome via Darwin, Singapore, Bangkok, Bombay, Karachi and Tehran. it departed Bangkok for Bombay at 15:16 UTC. At 18:20 the crew contacted Bombay Approach and received clearance to descend from FL350 to FL200. Five minutes later further clearance was give 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. The DC-8 had descended below minimum safe altitude and struck the Davandyachi hill at an elevation of approximately 3600 ft amsl.

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."

Informationsquelle:
» ICAO Accident Digest No.14 Volume II, Circular 71-AN/63 (83-97)


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Map
This map shows the airport of departure and the intended destination of the flight. The line between the airports does not display the exact flight path.
Distance from Bangkok-Don Muang International Airport to Bombay-Santacruz Airport as the crow flies is 2993 km (1870 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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