Having built the PA-22 Tri-Pacer and the J3 Cub for training pilots, Piper Aircraft Company is responsible for these classic, smaller airplanes that are still in operation today. These four short films feature the flying lessons of the Tri-Pacer and its role in delivering industrial parts to the PA-31 twin Navajo's flight around the world! Lastly, a collection of clips on civilian uses of these aircraft. 1 hr. 33 min.