The stock footage of the jet pack in test flights is of the Bell Rocket Belt. Fueled with hydrogen peroxide, it had a flight time of 21 seconds. The Rocket Belt was also seen in Thunderball, Lost in Space and Ark II, in footage specifically filmed for those.
The title is from the opening to the Superman radio and television shows: "Look up it the sky! It's a bird! It's a plane. No, it's Superman!"
Ginger recites some romantic dialogue from a movie she was in called The Bird People meet the Chicken Pluckers.