Aerial refueling craft was eventually modified by Airspeed to Cobham's specification, for a non-stop flight from London to India, using in-flight refueling to extend the plane's flight duration. Meanwhile, in 1929, a group of U.S. Army Air Corps fliers, led by then Major Carl Spaatz, set an endurance record of over 150 hours with the "Question Mark" over Los Angeles. Between June 11 and July 4, 1930, the brothers John, Kenneth, Albert, and Walter Hunter set a new record of 553 hours 40 minutes over Chicago using two Stinson SM-1 Detroiters as refueler and receiver. Aerial refueling remained a very dangerous process
Pippo (airplane) Pippo (airplane) Pippo was a mythical plane, unique to Northern Italy, that flew during World War II. An example of oral history, Pippo is not well documented even in Italy. Pippo had a distinctive buzz, was rarely if ever seen and flew mainly at night. If people were faithful to the Fascists, they considered it an Allied plane. If people were supporters of the Allies, it was thought to be a Luftwaffe or Italian Air Force aircraft. No matter what their political allegiances, people personified it as a “he” – the plane and the pilot as one. It is suspected