A series of biplane aircraft, the single engine piston Curtiss JN-4 Jenny has the capacity for two crew members. The empty weight is 1390 lb (630 kg) and the maximum takeoff weight is 1920 lb (871 kg). The Jenny is powered by a Curtis OX-5 V8 piston engine of 90 hp. The cruise speed is 60 mph (52 knots, 97 km/h) and the maximum speed is 75 mph (65 knots, 121 km/h). The aircraft was introduced in 1915 and 6813 aircraft were built.