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Plane sailing (also, colloquially and historically, spelled plain sailing) is an approximate method of navigation over small ranges of latitude and longitude. With the course and distance known, the difference in latitude Δ φ AB between A and B can be found, as well as the departure, the distance made good east or west.
www.anl.pt Founded in 1856, Associação Naval de Lisboa ( Lisbon Naval Association ) is the oldest sport club of Portugal and one of the 30 oldest yacht clubs in Europe. The main sports are the sailing and rowing .
In either the coordinate or vector formulations, one may verify that the given point lies on the given plane by plugging the point into the equation of the plane. To see that it is the closest point to the origin on the plane, observe that p {\displaystyle \mathbf {p} } is a scalar multiple of the vector v {\displaystyle \mathbf {v} } defining ...
Marine navigation is the art and science of steering a ship from a starting point (sailing) to a destination, efficiently and responsibly. It is an art because of the skill that the navigator must have to avoid the dangers of navigation, and it is a science because it is based on physical , mathematical , oceanographic , cartographic ...
The Keating government passed the ANL Guarantee Act 1994 and commenced a restructuring of ANL in 1995 to prepare for its eventual sale. [9] In 1998, the Howard government sold ANL's liner shipping business and intellectual property to ANL Container Line Pty Ltd, a subsidiary of French conglomerate Compagnie Générale Maritime (CGM). [10]
Unidentified sailing ship rounding Cape Horn. The route ran from England down the east Atlantic Ocean to the Equator, crossing at about the position of Saint Peter and Paul Rocks, around 30 degrees west. A good sailing time for the 3,275 miles (5,271 km) to this point would have been around 21 days.
A sailing craft is said to be sailing close-hauled when its sails are trimmed in tightly and are acting substantially like a wing, relying on lift to propel the craft forward on a course as close to the wind as the sail can provide lift. This point of sail lets the sailing craft travel upwind, diagonally to the wind direction. [4]
If a navigator begins at P 1 = (φ 1,λ 1) and plans to travel the great circle to a point at point P 2 = (φ 2,λ 2) (see Fig. 1, φ is the latitude, positive northward, and λ is the longitude, positive eastward), the initial and final courses α 1 and α 2 are given by formulas for solving a spherical triangle