Crew or equipment visible
Errors in geography
Since Rodan needs to flap its wings to propel itself and it was coming from behind the aircraft. There's simply no way that it could have caught up to jet aircraft flying away from it at high speed using wing propulsion for thrust.
Incorrectly regarded as goofs
Flying directly into a storm will result in a loss of lift and the aircraft which does so crashing. Yet all of the pilots head directly into the storm with Rodan chasing them, knowing this full well.