Refuelling Rehearsal For 5,000-Miles Non-Stop Flight Bid -- Sir Alan Cobham's Airspeed Courier" Refuelling from a 'plane above. To India and back, a total distance of 10,000 miles in just over four days, is the latest spectacular flight to be *****. It will be made shortly by Sir Alan Cobham and Squadron Leader W. Helmore, R.A.F. the final rehearsal of refuelling in the air was made on Sept. 11., By the two airmen at ford aerodrome, near Arundel, Hants. This system they have invented will make i