When Jo first drove off in the Alfa Romeo convertible a Canadian license plate is seen on it, but later it had the French plates.
After the Hughes/MD 500 was shot by Airwolf it suddenly had a V-tail (instead of a T-tail) and only a 2 bladed rotor (instead of a 5 bladed rotor).
The helicopter used by the villains is unarmed when it lands at the farm, but is armed with a rocket pod and a minigun when it takes off.
The enemy helicopter varies between being blue and being black.
The armament arrangement on the enemy helicopter varies from minigun on the right side and rocket pod on the left side to vice-versa.
The jet fighter shown in the beginning mock dogfight is of at least 2 types.
The jet fighter used by the East Germans is a CF-18 Hornet. These fighter jets are only used by Canada.
The East German jet fighter at the Paris Air Show is of two different types.
When registration numbers were seen on the planes at the Paris air show, they were all Canadian C-numbers.
One of the East Germans uses an M-16 rifle. They would be more likely to use a Kalashnikov rifle.