 FAKE: During the maelstrom battle scene, when Will Turner swings on  a rope from the Black Pearl to the Flying Dutchman, its obvious  that a stunt double actually swings from the rope then falls to the  deck several feet behind Orlando Bloom who then rises into frame.  The stunt double lands on the deck and the camera cuts to a close up  of Orlando standing up. It is not one single take, but two.