Monthly Archives: October 2017
The heading of the vessel relative to the wind is the angle between the direction of the wind and the diametrical plane of the vessel, that is, the heading angle to the horizon point, from where the wind blows, expressed in angular degrees or rumbas. Continue reading
Nautical Mile – a unit of length equal to one arc minute of the meridian.
Due to the fact that the Earth has the shape of a spheroid, this length varies from 1842.9 m (at the equator) to 1861.6 m (at the pole). In 1928, by decision of the International Hydrographic Bureau, the length of the nautical mile was taken to be 1852 m. Continue reading