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The Curtiss JN-4 and JN-4D were commonly known as the "Jenny." Although never used in combat, the two-seater biplane proved to be an excellent choice for training the pilots of the United States Air Service. When the war ended, surplus aircraft became inexpensive favorites with former airmen and the "Jenny" was soon recognized throughout North America as the trademark of the barnstormers. In August 1919, Canadian ace Ernest Hoy used a JN-4 to make the first airmail flight across the Canadian Rockies.

Curtiss JN-4 Specifications
Country: United States of America
Manufacturer: Curtiss Aeroplane and Motor Corporation
Type: Trainer
First Introduced: 1916
Number Built: 6,813
Engine: Curtiss OX-5, liquid cooled, V-8, 90 hp
Wing Span: 43 ft 7 in (13.28 m)
Length: 27 ft 4 in (8.33 m)
Height: 9 ft 10 in (3 m)
Empty Weight:
Gross Weight: 1,430 lb (648 kg)
Max Speed: 75 mph (120 km/h)
Ceiling: 6,500 ft (3,350 m)
Endurance: 2.5 hours
Crew: 2
Armament: None
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