Continuity mistake: Aboard Interceptor, Will cuts the lines leading to Dauntless with his axe and Interceptor pulls away. As they pull away, the first gangplank falls, knocks into the swivel cannon on the rail of Interceptor, forcing it to now point up. Jack and Will are busy stealing Interceptor. When Jack yells out, "Thank you, Commodore!" the cannon is turned straight around again. The first shot was part of the mishap during filming, as noted in another mistake.
Picture added & edited by A Demon
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