Piper
L-4
Grasshopper

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© Robert Deering
Photo: Robert Deering 1981
Harlingen, Texas


The L-4A liaison aircraft, originally designated the O-59, was the military version of the famous Piper J3 Cub. The Army ordered the first O-59s in 1941 for tests in conjunction with its growing interest in the use of light aircraft for liaison and observation duties in direct support of ground forces. Between 1941 and 1945, the Army procured almost 6,000 Piper Aircraft.

During World War II, Grasshoppers performed a wide variety of functions throughout the world, including artillery fire direction, pilot training, glider pilot instruction, courier service and front-line liaison.


SPECIFICATIONS:

Span: 35 ft. 3 in.

Length: 22 ft. 5 in.

Height: 6 ft. 8 inches

Weight: 1,200 lbs. maximum

Armament: None

Engine: Continental O-170 of 65 hp

Cost: $2,600

PERFORMANCE:

Maximum speed: 85 mph

Cruising speed: 75 mph

Range: 190 miles

Service ceiling: 9,300 ft.


Bibliography: National Museum of the USAF