ASN Aircraft accident Boeing 707-330B D-ABOT Delhi-Palam Airport (DEL)
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Status:Accident investigation report completed and information captured
Date:Thursday 20 December 1973
Time:01:03
Type:Silhouette image of generic B703 model; specific model in this crash may look slightly different
Boeing 707-330B
Operator:Lufthansa
Registration: D-ABOT
MSN: 18463/363
First flight: 1964
Total airframe hrs:41731
Engines: 4 Pratt & Whitney JT3D-3B
Crew:Fatalities: 0 / Occupants: 11
Passengers:Fatalities: 0 / Occupants: 98
Total:Fatalities: 0 / Occupants: 109
Aircraft damage: Destroyed
Aircraft fate: Written off (damaged beyond repair)
Location:1 km (0.6 mls) from Delhi-Palam Airport (DEL) (   India)
Phase: Approach (APR)
Nature:International Scheduled Passenger
Departure airport:Bangkok-Don Muang International Airport (BKK/VTBD), Thailand
Destination airport:Delhi-Palam Airport (DEL/VIDP), India
Flightnumber:LH645
Narrative:
The aircraft undershot the Delhi runway and collided with the Middle Marker building.

Probable Cause:

PROBABLE CAUSE: Deviation from the approved established procedure and failure to exercise adequate monitory control and supervision of the flight and to initiate a timely go-around action. Contributory factors were lack of adequate weather information and optical illusion created by a haze/fog layer upto ca. 200ft above ground level.

Classification:
Undershoot/overshoot

Sources:
» Civil aircraft accidents 1973 / Ministry of Tourism and Civil Aviation, CAD, ASD
» FUS Bericht 2X002-0/73


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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 Delhi-Palam Airport as the crow flies is 2905 km (1815 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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Boeing 707

  • 858 built
  • 47th loss
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