thanks for reminds me that book that i have .General-purpose bomber/troop carrier from 1935 (so basically larger equivalent of the "colonial" airplanes like Bristol Bombay) , with heavy defensive armament and retractable undercarriage. Four 1300 hp engines of unknown type. Also projected was airliner variant called AS.15A.
Source: Airspeed Aircraft Since 1931.
i suppose in firm there are your real name : it's a pleasure RalphThe 3D image was made by me based on the Airspeed GA drawing.