Factual error: If the access hatch to the nose wheel well on an airliner was opened at any time during the take off run every alarm panel in the cockpit would light up like a Christmas tree. The pilot would immediately abort take off.
Factual error: Near the end of the film when Jessie and Woody escape the plane, Buzz and Bullseye stand on the runway. In the sky you can see a plane approaching and it passes just above them. A real plane can blow away an entire car when it's behind the engine, yet nothing happens to a bunch of toys.