![](http://www.alamy.com/thumbs/6/9191D363-9C71-461F-B29A-2737841FDD08/2RC7GK4.jpg)
A De Havilland 4 airplane, used for both reconnaissance and day bombing, is pictured in this photograph. This American version is similar to the British variant. The airplane's wing spread measures 42 ft. 5 3/8 in. Its climb to 6,500 ft. takes 7 min. 12 sec., and it is equipped with a Liberty 12-400 HP motor. The airplane can reach a speed of 118 miles at 6,500 ft. and has an endurance of 1 hr. 53 min. Its ceiling is 19,700 ft. and it requires a crew of 2. It is equipped with 4 Gans. This photograph was taken by the Signal Corps, on July 29/18.
Size: 8425px × 5741px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: .., ..., 12-400, 4, activities, aerial, air, aircraft, airplane, airpower, american, americas, aviation, bombers, bombing, british, ceiling, climb, corps, crew, day, de, endurance, equipment, force, gans, havilland, historic, historical, history, hp, intelligence, liberty, military, motor, obs, observation, operation, photographs, photography, photos, plane, planes, reconnaissance, role, service, signal, speed, spread, surveillance, technology, war, wing, world, wwi