Continuity mistake: When Al's plane catches on fire you see him rip his sunglasses off but when Pete flies up next to him, Al's sunglasses are back on.
Suggested correction: Uh, he put it back on? Plenty of time to do so.
Continuity mistake: The A-26 that Pete was flying when it blew up had a tail number of 57. In the end scenes, when Dorinda is taking Ted's A-26 (tail number 59), you can see 57 sitting on the flight line behind the idling 59.
Suggested correction: The base apparently doesn't use unique tail ID numbers, since whenTed is landing after seeing the hermit, there are two aircraft with 59 on their tail visible in front of the hanger, so why not two 57s? (yes, this duplicate is probably just another mistake by the filmmakers) Alternatively, it is also possible that after the explosion, another aircraft was assigned a tail number of 57.