The Vought V-173 is more affectionately known as the Flying Pancake. The Flying Pancake’s is an American experimental aircraft with an all-wing body design and dual piston engines. The United States Navy funded Charles H. Zimmerman’s design with the manufacturing company Vought. The Flying Pancake delayed its flight date for months because of excessive vibration problems with its gearbox. The aircraft did fly in 1942. By the end of 1943, the Flying Pancake flew 190 times. Connecticut locals reported Unidentified Flying Object (UFO) sightings during the time of the Flying Pancake’s flights. Can you blame them? In 1947, the Flying Pancake retired from the skies. It logged in 131.8 hours of total flight time.