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On 5 August 1984, a Biman Bangladesh Airlines Fokker F27-600 crashed into a marsh near Zia International Airport (now Shahjalal International Airport) in Dhaka, Bangladesh while landing in poor weather. The aircraft was performing a scheduled domestic passenger flight between Patenga Airport, Chittagong and Zia International Airport, Dhaka. With a total death toll of 49 people, it is the deadliest aviation disaster to occur on Bangladeshi soil and also the airline's worst accident.