Danny takes off in a black sedan with blue interior. While he is en-route and when he arrives at his destination he is in a black sedan with red interior.
When the members of Jerry Quan's gang are standing by the helicopter, there's a light rainfall. However, Jerry drives away without any rain visible.
The hubcaps on the burgundy color Lincoln Mark V are those of a Mercury Marquis.
The sound of the Hughes 369/500 helicopter is wrong. Listen to the one at the end of "Double Exposure" which is correct and compare them.