Just about every aircraft that has flown over the past 50 years—whether a single-engine Cessna or a 600-seat jumbo jet—is aided by radios to safely land at airports. These instrument landing systems ...
On July 6, 1920, US Navy seaplane pilots used a radio compass to locate and navigate their way to a ship 100 miles offshore, marking the first use of radio navigation by an aircraft. Prior to this, ...