The Taylorcraft L-4 Grasshopper is a light observation aircraft used primarily during World War II. It was designed for military purposes, providing reconnaissance and communication support. The aircraft features a high-wing design and a simple, rugged construction, making it suitable for short takeoffs and landings in various terrains. Powered by a flat-four engine, the L-4 Grasshopper can carry a small number of passengers or cargo. Its versatility and reliability made it a valuable asset for the U.S. Army, and it is often associated with the Taylorcraft Aviation company, which produced the aircraft.