The ship carrying the Bangladeshis will bring back Myanmar security personnel who crossed the border recently amid fighting with rebels
The accident occurred near Sthalchar of Chouhali on Tuesday afternoon, Enayetpur Police Station OC Molla Masud Parvez said.
Locals rescued 54 people but recovered the bodies of a child and an elderly man later.
Fire Service and Civil Defence divers were coming from Rajshahi to conduct a search operation.