Using two different examples based on Mercator sailing formulae, this video shows how to calculate:
a) the course and distance between two geographical positions on the surface of the earth; and
b) the final position of arrival if the departure position, course, and distance is known.
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Contents of this video will benefit mariners preparing for exams (written and oral examinations).
Mariners will also benefit by watching the following videos:
Meridian Passage (Theory): [ Ссылка ]
Meridian passage (Sun – example 1): [ Ссылка ]
Meridian Passage (Sun – example 2): [ Ссылка ]
Meridian passage (Sun -example 3): [ Ссылка ]
Meridian passage (Sun -example 4): [ Ссылка ]
Meridian Passage (Star): [ Ссылка ]
Meridian Passage (Planets): [ Ссылка ]
Finding the reading to set on a sextant: [ Ссылка ]
Compass error Amplitude (Sun): [ Ссылка ]
Amplitude (Sun): [ Ссылка ]
Amplitude (Moon): [ Ссылка ]
Compass error Azimuth (Sun – example 1): [ Ссылка ]
Compass error using azimuth method (Sun – example 2): [ Ссылка ]
Azimuth (Sun – example 3): [ Ссылка ]
Compass error using azimuth method (Sun – example 4): [ Ссылка ]
Compass error using azimuth method (Sun – example 5): [ Ссылка ]
Compass error using azimuth method (Star – example 1): [ Ссылка ]
Compass error using azimuth method (Planets): [ Ссылка ]
Compass error using azimuth method (Moon): [ Ссылка ]
Longitude and time: [ Ссылка ]
Correcting sextant altitudes: [ Ссылка ]
Finding LHA and declination: [ Ссылка ]
Intercept (Sun): [ Ссылка ]
Intercept (Sun -Example 2): [ Ссылка ]
Intercept (Star- example 1): [ Ссылка ]
Intercept (Planets): [ Ссылка ]
Intercept (Moon): [ Ссылка ]
Staggered observations (Example 1): [ Ссылка ]
Staggered observations (Example 2): [ Ссылка ]
Staggered Observations (Example 3): [ Ссылка ]
Variation, deviation, and compass error: [ Ссылка ]
Longitude, GHA and LHA: [ Ссылка ]
Ambiguity of chronometer time: [ Ссылка ]
Twilight: [ Ссылка ]
Calculating sunset time: [ Ссылка ]
