Aerospace Industry, General aviation aircraft

By far the world's largest market for general aviation aircraft is the United States, with about 190,000 such aircraft (more than 70 percent single-piston-engine types) in active use in the late 1990s. Annually, these aircraft accounted for more than 27 million flight hours (nearly two times the flight hours of U.S. airlines) and 145 million passengers. Private airplanes used typically for