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
Richard 150 Commuter dual controls and a baggage space behind the seats. After the prototype first flew in 1972, a new wing was designed with different wing section and an area of . Richard 150 Commuter The Richard 150 Commuter is an American two-seat cabin monoplane designed and built by The C.H. Richard Company of Lancaster, California to be sold in kit form or as plans for amateur construction. A development of the early Richard 125 Commuter flown in 1969, the 150 Commuter is a braced high-wing monoplane with all-metal construction of the wings, monocoque fuselage and tail unit. It has a non-retractable