GPS offers an inexpensive and reliable supplement to existing navigation techniques for aircraft. Civil aircraft typically fly from one ground beacon, or waypoint, to another. With GPS, an aircraft's computers can be programmed to fly a direct route to a destination. The savings in fuel and time can be significant.
GPS can simplify and improve the method of guiding planes to a safe landing, especially in poor weather. With advanced GPS systems, airplanes can be guided to touchdown even when visibility is poor. For the private pilot, inexpensive GPS systems provide position information in a practical, simple, and useful form.
|GPS Navigation in the Air|
Pilots on long distance flights without GPS rely on navigational beacons located across the country. Using GPS, aircraft can fly the most direct routes between airports.
GPS in the Cockpit
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Before GPS | GPS Revolution | How GPS Works | Land and Sea Navigation
Navigation In The Air | Mapping The Earth | Managing The Land | New Frontiers in Science
GPS: A New Constellation
National Air and Space Museum