Revealing mistake: Throughout numerous episodes while the team is supposed to be driving the van, the gear selector can be seen in the "park" position.
Continuity mistake: John "Hannibal" Smith's rank changes from to Colonel to Lieutenant Colonel in different shows. In some of the early episodes we see him in uniform as Lt. Col. but in later episodes such as when they are on trial, Smith is wearing the rank of Full Colonel.
Other mistake: In his numerous appearances, Col. Roderick Decker (played by Lance LeGault) was leading the Military Police squad, and though he was Army, he always had a Marines cap on.
Answer: Several times, Face would pose as a doctor to get Murdock out of the Mental Hospital. How easy would it have been to convince airport officials that he was a doctor taking a sedated patient on board? Or simply tell them, this man is afraid of flying, so he had to be sedated. They could say, "Believe me, you don't want this man to be awake."