General characteristics Crew: Two - pilot and gunner Length: 8.5 m Wingspan: 11.75 m Height: 2.9 m Wing area: 37.27 m² Empty weight: 780 kg Loaded weight: 1,290 kg Powerplant: 1 × Salmson 9Za radial piston engine, 172 kW (230 hp) Maximum speed: 188 km/h at sea level Range: 500 km Service ceiling: 6,250 m Time to altitude: 2,000 m in 7 minutes 13 seconds Guns: 1 × forward synchronized 0.303 in Vickers machine gun + 2 × rear, ring-mounted 0.303 in Lewis Guns