Continuity mistake: When Shandor is about to fall off of the roof and is holding Bond's tie, his grip changes from very low - with about four inches left - to higher up, so he can slide down again.
Other mistake: While Bond is being escorted by some guards, he opens a crate full of gas tanks, and begins fighting the guards off. If you look behind Bond in a brief scene you can see a few yards away another guard who is clearly watching this happening yet doing absolutely nothing.
Audio problem: After Bond sets the timer on the bomb at the end, the ticks don't add up. There's a definite tick each second, and you can count 12 of them after he starts it, then we cut back to the bomb and only 7 seconds have passed. (As a vague trivia aside, coincidence though it is, on the UK DVD he pulls the pin out at the DVD second timer ticks onto "07").
Continuity mistake: When the rescue pod is speeding towards the surface you can see it has a keel weight which, judging from the size of the pod, must be 3-4 meters long. When it floats into the cargo bay of the navy ship, there wouldn't be room for the keel. You can see that the water level in the cargo bay is no more than 1-1½ meters.
Plot hole: Stromberg One is on 48 degrees West, Stromberg Two is at 22 degrees West, and the Liparus further east. That means that Stromberg Two has sailed at least 28 degrees since its departure from the Liparus. That is more than 2.500 km and would take a submarine several days. How did it get that far in a few hours?
Continuity mistake: When Stromberg is thanking Dr Bechman and Professor Marcovitz, the position and amount of food on his plate keeps changing all the time.
Factual error: At the end of the film Stromberg shoots at Bond under the table with a pneumatic spear gun-type weapon that shoots most likely a spear with an explosive tip through a long tube. This type of spear gun, unlike elastic-operated spear guns, has an actual sort-of gun barrel that's closed at the back. As such, when Bond shoots Stromberg through the tube with his hand gun, he somehow hits him, despite the fact that the bullets would ricochet off the closed barrel.
Factual error: Jaws kills Fekkesh by biting his neck, something that would make him bleed a lot. Later, when Bond finds his body, there is no blood on the ground.
Revealing mistake: In both instances in the film where a helicopter explodes, it is quite evident that it is a model and it falls to the sea in one piece.
Revealing mistake: In the scene where the speedboat is landing onto the sea, after bursting out of the large tanker, one can see dummies on the speedboat.
Continuity mistake: In the underwater sequence, just before Bond fires a torpedo on a diver, he steers left, but the sub turns right.
Continuity mistake: At the end of the film we see the large tanker ship exploding at many different areas of its hull including a lot of explosions on the topside. However, there is a point where the camera shows the ship sinking with an underwater shot, sinking with bow first and then progressing towards the stern and there are no holes let alone burn marks that would show where the explosions took place.
Revealing mistake: When Jaws comes to the surface and starts swimming, you can see the sandy bottom of the water. There is not the 300 feet (or meters) that the depth gauge on the rescue pod shows.
Revealing mistake: When Jaws is attacking 007 and XXX on the train, Jaws picks up Bond and bangs him onto the ceiling. At one point in this, it is clear that Jaws is holding a dummy.
Visible crew/equipment: The wires holding Jaws to the magnet are visible.
Factual error: At the beginning of the opening title sequence, the Union Jack fluttering in the background is upside down.
Revealing mistake: When the boat blasts out of Stromberg's lair and lands in the water, it's obviously a miniature and the people inside are obviously dummies.
Revealing mistake: As Bond and the major are hurtling toward the surface in the "escape chamber" toward the end of the movie, you can see inside the window. The little toy escape chamber is about two thirds full of splashing water right in the area where they are supposed to be.
Plot hole: Right before Bond hops on the moving camera globe to go blow up the barrier to the control room on the Liparus, they show a shot of one of the firing slots on the control room open and the guards firing at Bond. Through the port, you can see that Bond is on the catwalk above the walkway to the barrier. But when Bond climbs down onto the camera globe, and when he's sliding back on the track, nobody fires a shot, even though he's now in a direct line of fire with those firing ports and the guards have a totally clear shot at him.
Suggested correction: Maybe the ice bucket was always a part of the escape pod.
Ice that doesn't melt at room temperature - now there's an achievement.