Curtiss JN-4

Last update: 1 December 2016

Curtiss JN-4


The Jenny generally used for primary flight training, but some were equipped with machine guns and bomb racks for advanced training. The Curtiss JN-4 is possibly North America's most famous World War I aircraft. It was a twin-seat (student in front of instructor) dual-control biplane. Its tractor propeller and maneuverability made it ideal for initial pilot training and was widely used during World War I to train beginning pilots. After World War I, thousands were sold on the civilian market for very low price. The "Barnstormer" airplanes of the 1920s attracted many future World War II air force leaders to the thrills of flying. Powered by a Curtiss OX-5, 90 horsepower (hp) engine it could reach 75 MPH and stay aloft for 2.5 hours.

General Informations

Country of Origin:  USA
Designer:Benjamin D. Thomas
First flight:1915
First Delivery:1915
Total Production:6,813 
Number of wings:Unequal-span, forwards stagger biplane
Wings sweep:Straight
Landing gear:Tailwheel (fixed)

Military Operators

Operators:8 countries
  •  Argentina
  •  Australia
  •  Brazil
  •  Canada
  •  Republic of China
  •  Cuba
  •  United Kingdom
  •  USA


Variant: JN-4D
Crew: 2
Length: 8.33 m (27 ft 4 in)
Height: 3.01 m (9 ft 10½ in)
Wing area: 32.7 m2 (352 sq ft)
Weight Empty: 630 kg (1,390 lb)
Max. takeoff weight: 871 kg (1,920 lb)
Model: Curtiss OX-5
Type: V-8 piston engine
Number: 1
Configuration: Tractor
Power: 90 hp (67 kW)
Max speed: 121.0 km/h (65.0 kn, 75.0 mph)
Max speed (altitude): ()
Max speed (sea level): ()
Service Ceiling: 2,000 m (6,500 ft)
Endurance: 2 hours

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