Corrected entry: In the scene where Bootstrap Bill gives Jack the Black Spot, he tells him "Jones' great leviathan will find you". The Leviathan was a giant sea serpent, prominently found in the Old Testament, with a snakelike appearance. The Kraken is a squid-like monster, exactly how it was portrayed in the movie actually, and an entirely different entity than the Leviathan. As a lifelong sailor and a member of Davy Jones' crew for over a decade, Bootstrap would certainly know which mythological sea creature Jones commands.
Corrected entry: Right after James, Jack, and Will engage in sword fighting, Elizabeth runs after them shouting and angry. As she looks at them initially, the background behind them is tropical forest and mountains. The scene cuts back to Elizabeth, then returns to the fighting men but the background for the rest of the scene is ocean and beach, with no mountains to be seen. (01:47:45)
Corrected entry: When Capt. Jack Sparrow escapes from the prison in the coffin and shoots the crow, he grabs the leg of the body from inside the coffin to use as an oar. The only problem is that they would probably throw out the dead bodies within a couple of weeks after they died, and therefore the bodies wouldn't have decomposed much. But the leg from the cadaver that was in Jack's coffin was nothing but bone, and would have had to be decomposing for quite a long time. I believe that they had him use the bone leg to add a theatrically gloomy element to the scene.
Corrected entry: At the beginning of the film you can see a bouquet of flowers, possibly the bridal bouquet. Included is a Phalaenopsis orchid, this is a plant from Malaysia and wouid not be discovered until about 200 years after the film is set. Even if somebody from that area knew about it anyway, which isn't unreasonable, one would not show up in a bouquet in the Caribbean.
Corrected entry: When the kraken first attacks the Black Pearl, the tentacles slither up the ship. The camera goes underwater a few times in this shot, showing that the tentacles were not animated underwater.
Corrected entry: When Beckett has Will summoned and makes the offer to get Jack's compass in exchange for his and Elizabeth's freedom, he pulls a pirate branding iron from the fire to emphasize his previous dealings with Jack. When he pulls the iron from the fire, it is red hot. Then the camera goes to Will for one line, then back to Beckett. The iron is no longer red hot. When he turns to put it back in the fire, it's glowing hot again.
Corrected entry: When Will has survived the Kraken attack and swims back onto the Flying Dutchman, we see him holding onto the side of the Flying Dutchman to see the survivors being killed. Shortly afterwards, as the Flying Dutchman sails to the Isla Cruces, the ship goes underwater. Will is still on the side of the ship, and even if he was on board the ship, surely he would drown, as the whole ship is now submerged in water.
Corrected entry: Will slides down the sail with his knife fairly easy. Back in the days of pirates, the sails were made in a special way. They were made of cloth, but also had a strip going lengthwise every few feet for support. On Mythbusters they tried to slide down a sail with a knife, but was unable due to the fact the knife would catch this support strip and they would lose their grip.
Corrected entry: In the scene on the Black Pearl where Jack and Elizabeth are talking about "curiosity," Elizabeth is gently grasping a rope lying on the rail of the ship. In one shot, as Elizbeth says, "to do the right thing," her arm is now lying across the rope instead of grasping it. (01:40:20 - 01:41:10)
Corrected entry: While no date is established for the film, it is reasonable to assume it is prior to 1704, when Port Royal was destroyed by fire, following a devastating earthquake in 1692. However, several vessels in the movie have gaff and driver booms on their mizzen masts, which did not start to occur until the middle of the 18th century.
Corrected entry: In Beckett's office there is a picture of an 18th century naval battle. How could he have the painting if they are in the 17th century?
Corrected entry: On the Letters of Marque, the King's signature is readable as "George R". But England never had a king named George until 1714 - and Port Royal was destroyed by an earthquake in 1692. (00:11:15)
Corrected entry: When Jack Sparrow is falling down in between the cliffs attached to his pole on Cannibal Island, there is a shot that shows the pole getting wedged. Tied to a rope that is tied to the poll, the force of stopping makes the rope around him quickly unravel. It shows a wide shot where Jack is unwinding about 5 feet below the pole, but then it cuts to a close shot and he is only a couple feet from the pole. Then it cuts back to the wide shot and he's back to 5 feet.
Corrected entry: When the Kraken attacks the Black Pearl, it takes one of the crew members in the lower part of the ship and pulls him through the cannon hole, snapping him in half. The problem is there was a three to four second hesitation, resistance that the Kraken was having pulling the crew member through. This is a beast three times the ship's size that can crush, smash, and destroy ships in seconds, but it has trouble with a single human being.
Corrected entry: When the monkey first appears on board the ship, Jack shoots it. However, there is a person standing behind the monkey. Yet after the shot, this person is unharmed. At that close range, regardless of whether the monkey is undead or not, the shot would have gone through the monkey. So even if Jack didn't miss the monkey, the person behind the monkey would have felt some of the shot.
Corrected entry: It is shown that the monkey still has a reaction to being shot, as it is thrown forward the first time it is shot. However later, when Captain Jack demonstrates to Tia that it is undead, it has almost no reaction except for backing away from the shot. When Captain Jack actually shoots it, nothing happens and he couldn't have misssed from that range.