When McCloud and Broadhurst are boarding the flight back to New York the flight attendant tells them seats 5A and 5C are on the left. Seats are lettered from the right to left as one looks aft, so A is the window seat on the right as you board and walk toward the rear. Seats on the left on a 3x3 aircraft would be D-E-F.
A stewardess hides one of the jewels in a large serving of mashed potatoes in a "diabetic meal"; however, mashed potatoes would not be in such a meal because they would raise a person's blood sugar too quickly.
Boom mike in frame when McCloud bursts into Alex Demarest' hotel room to confront him.