The RV driven by Rance Howard and his "Black Ops" partner crash heading front first into the ground. Rance and partner should have been killed or seriously injured. However toward the end of the movie, Rance, totally unscathed by the accident and still wearing a Hawaiian shirt, pulls a gun on Robert Vaughn ending a gun battle at the observatory.
During the desert chase Dallas and Angel are pursued by a helicopter. They stop the car leaving both doors wide open and run across the desert. When the helicopter flies over during the next scene - the driver side door is closed on the car.
The movie is set in 1965 but the F4U Corsair aircraft used by the US "Fighter Squadron" had been retired from active US service in 1953.
Early in the film, during the fight on the back of the stolen semi-trailer, despite taking several punches to the face, Dallas' sunglasses remain in place and undamaged throughout..