Interstate
L-6
Grasshopper
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Photo: Robert Deering 10/18/2012
National Museum of the USAF
Wright-Paterson AFB (FFO)
Dayton, Ohio
The Interstate Co. entered the aviation industry in 1940 with the S-1B "Cadet," a tandem seat liaison airplane. When the United States entered World War II, the U.S. Army Air Forces contracted with Interstate for 250 S-1B aircraft, designating the prototype as the XO-63. It was the last airplane to use the "O" (for observation) designation. Later, the USAAF designated the production airplane as the L-6.

The aircraft, however, had significant overheating problems that were only partially solved. It had the dubious distinction that fewer L-6s were built than any other USAAF liaison aircraft. The USAAF used the L-6 as a utility transport, liaison and training aircraft in the United States but never shipped it overseas. After the war, the remaining L-6s were sold as surplus.

TECHNICAL NOTES:
Engine: Franklin XO-200-5 115 hp
Maximum speed: 105 mph
Range: 540 miles
Span: 35 ft. 6 in.
Length: 23 ft. 5.5 in.
Height: 7 ft. 3 in.
Weight: 1,650 lbs. loaded
Serial number: 43-2680

Source: National Museum of the United States Air Force