An aircraft at latitude 02°20'N tracks 360° (T) for 685 kilometres. What is its latitude at the end of the flight?
Distance between two parallels of latitude (along a meridian)
1 minute of latitude at any point on earth = 1 nm
1°of latitude at any point on earth = 60 nm
Distance between two meridians of longitude (along a parallel)
Meridians converge from the Equator to the Pole.
A change in longitude (degrees) will not represent the same East-West distance (nm) for different latitudes.
Departure = change in longitude (°) x 60 x cosine (latitude)
370/60 = 6º10’, change in latitude
Flying north: 6º10’ + 02º20º = 08º30’ N
1 minute of latitude at any point on earth = 1 nm
1°of latitude at any point on earth = 60 nm
Distance between two meridians of longitude (along a parallel)
Meridians converge from the Equator to the Pole.
A change in longitude (degrees) will not represent the same East-West distance (nm) for different latitudes.
Departure = change in longitude (°) x 60 x cosine (latitude)
Distance conversions:
| Nautical Miles | Kilometers | Statute Miles |
| 1 | 1.852 | 1.151 |
| 370 | 685 |
370/60 = 6º10’, change in latitude
Flying north: 6º10’ + 02º20º = 08º30’ N
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Austro Control1
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