Longitude
Longitude is the angular distance of a point on the earth's surface, measured in degrees east or west of a prime meridian, usually the one passing through Greenwich, England. In aviation, longitude plays a crucial role in navigation as it helps to determine the aircraft's position and track. The longitude of an aircraft is determined by using various navigation aids such as GPS, VOR, and NDB. The accurate determination of longitude is essential for safe and efficient flight operations, especially during long-haul flights. Pilots and navigators use longitude to calculate the distance between two points, the time required to travel between them, and the fuel required for the journey.
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