Continuity mistake: When Jack is being locked in the brig, he has something black on his hands when on deck, but as he is being locked away, they are clean. (01:17:00)
Ssiscool
Continuity mistake: When Elizabeth stabs Barbossa, the amount of blood on the knife changes between shots. (00:56:00)
Continuity mistake: Between the two shots of Pintel and Raggeti's cannon, the position of the cutlery around the porthole changes entirely.
Continuity mistake: Barbossa shoots Pintel and a hole appears in his shirt. This hole soon vanishes never to be seen again. (01:11:00)
Continuity mistake: When Jack slides down the rope at the start, the arm that swung him round is facing Jacks left as he grabs the rope. Camera cuts and it is now instantly rotated 90 degrees. (00:19:00)
Continuity mistake: At the end when Norrington is talking to Will about it being a good sword, he holds the sword vertical. Camera cuts and it's now angled at Will. (02:07:00)