Britain's New Flying Battleship. Overall clean lines and four 1,000 h.p. Bristol Pegasus engines with three-blade variable pitch airs crews unite to give the new Sunderland flying boat high speed and long range - up to 3,000 miles. This aircraft is a military version of the Short flying boats which operate the main Empire air services, and is to re-equip R.A.F. sea-duty units. It is formidably armed, and has gun turrets fore and aft. June 2, 1938.