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
Longest non-stop run in Indian Railways Longest non-stop run in Indian Railways It means the longest possible run between two consecutive booked halts, commercial halt or technical halt, of Indian Railways. But the train may stop in between this section due to other reasons like signal failure, loco failure, track work etc. This will not be taken in to account while considering the term non-stop run. Here the table is created in the sequence of lengthiest and fastest non stop run. It refers to the longest distance between two consecutive passenger halt (commercial halt) stations. There may be one or more technical halt in-between these two