The seaplane is somehow already unloaded when it has reached the dock.
The loading animation for the MP5 is missing a step.
Vehicles are shown exploding. Because gasoline isn't explosive, vehicles should not explode.
Strapped boxes are shown being used without pallets; strapping is usually used on pallets only.
A bridge retracts for no reason some time after having been opened.
A valve is opened by turning it to the right. It is nearly always the other way.
Enemies seem to use sub-machine guns more often than rifles, which is impractical in this environment due to the relatively short range of sub-machine guns.
At one point a gate opens to allow two enemy gunboats to attack Mr. Carver. The enemy could have simply left the gate closed and Mr. Carver would not have been able to do anything about it.