Diana Gassner is in the back seat of a car, hands bound in front, she climbs over the seat of the car legs are free, later on after she gets out of the car, she struggles with rope tied around her ankles.
In the close-up cockpit shots of the armed ultralight, the rockets are mounted in side-by-side pairs, but in the long shots they are mounted as over/under pairs.
(These could possibly be the same mounts, but hinged about 70 degrees upwards for the close-ups so that they were in shot, to visually reinforce the fact that the ultralight was armed.)
During the final showdown the ultralight is armed with four missiles, fires three, but there are still two visibly still attached.
When Street Hawk appears through the bush onto the sand at the end to help Diana and piece of fiberglass attachment can be seen flying off the bike.
When Diana tells Street Hawk "I think you're wonderful", you can see that she actually says "I love you" but it was dubbed over.