From 1937 to November 1969, it was constantly produced (for more than 32 years, a world record at that time), more than 9,000 built, which made it one of the most widely used light planes in the world. It was also used as a military aircraft on a worldwide civilian manager, public service, cargo aircraft and tail wheels, nasal wheels, skiing or bundles as a military aircraft.During and after the Second World War, more than 4,500 beech 18 were used in military service - light transport, light bombardment aircraft (for China), air crew instructor (for bombing, navigation and artillery), for photo -nominal and "main ship". United States Army Air Force (USAAF) C-45 Expeditor, AT-7 Navigator and AT-11 Kansan target unmanned aerial vehicles; and the United States Navy (USN) UC-45J Navigator, SNB-1 Kansan et al. In the Second World War, more than 90 %of the USAAF bombing planes and sailors were trained in these aircraft.At the beginning of the post -war period, Beech 18 was the leading "business aircraft" and "nutritious aircraft". In addition to transporting passengers, civilian uses include air spraying, sterile insect release, fish stocking, dry ice cloud seeding, airflowing fire, air postal delivery, ambulance service, numerous filmmaking, parachute jumping, load, weapon and drug trafficking. , motor test bed, skywriting, poster pulling and stunt aircraft. In August 2017, the USA, which is still in the FAA aircraft registry in the USA, is now available to the private sector.