PV-3 helicopter hovering over ground during test flight, Pennsylvania, 1945
Photograph. PV-3 helicopter hovering over ground during test flight. Official Caption: "Rome 8/10/45. New type helicopter is largest built in U.S. / The PV-3 largest U.S. helicopter, is taken on a test flight over the eastern U.S. state of Pennsylvania. Designed specifically to fulfill U./S/ [sic] Coast Guard and Navy air-sea rescue and transport service requirements, the PV-3 is the first helicopter made for air-transport operations. The first economically practical craft of the type, the PV-3 is capable of carrying a crew of two and ten passengers in medium range operations. The ship carries two lifting rotors, one at either end, the first successful design using that plan. The streamlined fuselage is 48 feet (14 meters) long and 13 feet (3.9 meters) high. The new helicopter can land in an area 100 feet (30 meters) in diameter on land or water. Photo through U. S. I. S. Rome 43144-PPA for exhibit only. Approved by appropriate U.S. authority. Not for publication. (A and C Lists out) Rome 8/10/45." Pennsylvania, United States. 10 August 1945