As Donald plays "Pin the Tail on the Aeroplane", the tail is missing from his hand as he turns the corner. A moment later, the camera angle changes, and Donald again has the tail in his hand.
As Donald hangs on to Pete, he slips the shoe and sock off Pete's right foot. Later, as Pete and Donald are falling along with the bomb, Pete's left foot is the one that's bare.
Donald Duck's parachute bag is reappearing numerous times between the shots on the airplane.
As Donald and Pete are falling from the plane with the bomb, the fins on the rear of the bomb disappear and reappear.