An aircraft follows a great circle in the Northern Hemisphere. As the aircraft continues beyond the point where the track is 270° TT, the great circle track angle will…
Great circle, circle represented on the surface of the earth with the same radius and center of the earth.
Equator and meridians of longitude are examples of GC. They have the following properties:
The Equator and all the meridians are Great Circles and RL at the same time cause both are the shortest distance and a line of constant direction.
Parallels of latitude are RL because they cut all the meridians at 90 °.
Flying west on the Northern hemisphere imagine the aircraft at the vertex of the great circle, position where the TT will be 270º.
Continuing flying the great circle the TT will decrease and the latitude will decrease.
Equator and meridians of longitude are examples of GC. They have the following properties:
- Shortest distance between two points on the surface of the Earth happens when they are located on the arc of a great circle.
- Only one Great Circle exist between two points, unless they are situated in opposite places of the Earth.
The Equator and all the meridians are Great Circles and RL at the same time cause both are the shortest distance and a line of constant direction.
Parallels of latitude are RL because they cut all the meridians at 90 °.
Flying west on the Northern hemisphere imagine the aircraft at the vertex of the great circle, position where the TT will be 270º.
Continuing flying the great circle the TT will decrease and the latitude will decrease.
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