Continuity mistake: As Chef tries to put the fire out with the fire extinguisher Captain Willard is hanging over the side of the boat with Clean as they try to escape the flames. In the next shot and as chief Phillips walks around him he's behind the helm of the boat near the Playboy picture that Chef taped up. (01:16:50)????
Continuity mistake: Dennis Hopper walks to the back of the boat and says, "I'll tell you one thing. This boat is a mess man, whoo!" As he stands in the middle of the boat note the machine guns are missing, yet in the following shot they reappear with their ammo. Later, as he moves back to the front of the boat the disappear yet again. (02:30:10)????
Continuity mistake: As they approach Vin Din Dop in Lieutenant Colonel Kilgore's helicopter there's a close-up of Captain Willard looking out of the helicopter. If you look closely there's no wind because the helicopter is not flying. In the next shot as Colonel Kilgore talks to Lance about surfing, it is and there's plenty of wind. (00:36:15)????
Continuity mistake: Captain Willard reads on uninterrupted from "Commitment and Counterinsurgency" by Colonel Kurtz who says in his report, "if they were committed this war can be won with a fourth of our present force". The weather changes from not raining to raining, back to not raining again between shots. (01:15:40)????
Continuity mistake: As they stop at the Playboy Bunnies' camp, two barefoot soldiers run out to meet them. When they first come out there's a red and white oil drum standing in front of their tent. In the next shot it's overturned but later when they walk back into the tent it's upright again. (01:22:55)????
Continuity mistake: As they leave Colonel Kilgore on the beach at Vin Drin Dop the boat sails off to the left of the screen towards the bridge that was destroyed earlier in the attack. If you look at the far left of the screen there's a small Vietnamese temple with no fire anywhere near it. As they pass closer to the temple a large fire is now burning in front of it. (00:51:50)????
Continuity mistake: As Lance is on the top of the PBR Captain Willard says to himself, "He's close, he was real close" and they shuttle between shots of Lance and close-ups of Chief Phillips at the helm. The straw hanging down from the roof of the boat behind Chief Phillip's head is is hanging down differently in both of these shots. (02:21:05)????