Great Circle Route (GCR)
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Definition
The shortest path between two points on the Earth's surface, commonly used in long-haul aviation
Related Terms
Great Circle Distance (GCD)
The shortest distance between two points on Earth, following the curvature of the globe
Jet Stream
A narrow band of strong winds (100-200 kt) at high altitudes affecting flight times and routing
Polar Route
An air route passing near the North or South Pole, shortening distances between certain cities
Rhumb Line
A path crossing all meridians at the same angle, appearing straight on a Mercator projection