An unusually large aircraft by contemporary standards for a single-seater, the Elephant two-bay equal span staggered biplane was designed by A A Fletcher of the Martinsyde Company, a prototype powered by a 120 hp
Austro-Daimler engine entering test in the autumn of 1915. The initial production version, the G.100, was powered by a 120h p six-cylinder Beardmore engine and was armed with a single 0.303 in drum-fed
Lewis Gun mounted above the centre section. This was later augmented by a similar weapon bracket-mounted to the port fuselage side behind the cockpit). The G.100 was gradually succeeded by the G.102 with a 160 hp Beardmore engine. Maximum speed of the 160 hp aircraft was at sea level, falling to 100 mph (160 km/h) at 10,000 ft; it had a maximum ceiling of . ==Operational use==