The Comet 's second fatal accident occurred on 2 May 1953 , when BOAC Flight 783 , a Comet 1 , registered G-ALYV , crashed in a severe thundersquall six minutes after taking off from Calcutta-Dum Dum ( now Netaji Subhash Chandra Bose International Airport ) , India , killing all 43 on board . Witnesses observed the wingless Comet on fire plunging into the village of Jagalgori , leading investigators to suspect structural failure
BOAC Flight 783
BOAC Flight 783
De Havilland Comet