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The Farman F.40 was a French pusher biplane reconnaissance aircraft.
Developed from a mix of the Maurice Farman designed MF.11 and the Henry Farman designed HF.22, the F.40 (popularly dubbed the Horace Farman) had an overall smoother outline and smoother crew nacelle. A pair of upper tail booms supported a horizontal tailplane and a curved fin. The aircraft went into production in 1915.
Length: 9.25 m (30 ft 4.25 in)
Wingspan: 17.6 m (57 ft 9 in)
Height: 3.9 m (12 ft 9.5 in)
Wing area: 52 m2 (559.74 ft2)
Empty weight: 748 kg (1649 lb)
Gross weight: 1120 kg (2469 lb)
Powerplant: 1 × Renault 12-cylinder Vee piston, 101 kW (135 hp)
Maximum speed: 135 km/h (84 mph)
Endurance: 2 hours 20 min
Service ceiling: 4,000 m (13,125 ft)
1 or 2 × 7.7-mm (0.303 in) machine-guns in observer's cockpit