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Although the unit knot does not fit within the SI system, its retention for nautical and aviation use is important because the length of a nautical mile, upon which the knot is based, is closely related to the longitude/latitude geographic coordinate system. As a result, nautical miles and knots are convenient units to use when navigating an ...
With the introduction of the nautical mile as a standard unit of measure at sea in the 15th century, they began to mark the line at equal intervals proportional to the nautical mile and to the time interval used for measurement. Initially, the markings were simply knots in the line. Later, sailors worked knotted cords into the log-line.
A nautical mile is a unit of length used in air, marine, and space navigation, and for the definition of territorial waters. [2] [3] [4] Historically, it was defined as the meridian arc length corresponding to one minute ( 1 / 60 of a degree) of latitude at the equator, so that Earth's polar circumference is very near to 21,600 nautical miles (that is 60 minutes × 360 degrees).
Knot: Speed: League: Length: Nautical mile: Length: Rhumb: Angle: The angle between two successive points of the thirty-two point compass (11 degrees 15 minutes) (rare) [1] Shackle: Length: Before 1949, 12.5 fathoms; later 15 fathoms. [2] Toise: Length: Toise was also used for measures of area and volume Twenty-foot equivalent unit or TEU: Volume
10.20 knots (18.89 km/h) 10d 05h 14m 20s [Multihull] ... This crossing is made between Cadiz and San Salvador Island, for a distance of 3,884 nautical miles ...
They were 1.2 knots (2.2 km/h; 1.4 mph) slower on the surface, and .5 knots (0.93 km/h; 0.58 mph) slower submerged, but increased range by 180 nautical miles (330 km; 210 mi) to 11,380 nautical miles (21,080 km; 13,100 mi) at 8 knots. They carried 16 torpedoes instead of 12. As with the previous type, there was a mixture of guns.
1. That part of the ocean lying more than a few hundred nautical mile s from shore, and thus beyond the outer boundary of green water. 2. More generally, the open ocean or deep sea. blue-water navy 1. A navy capable of sustained operations in the open ocean, beyond a few hundred nautical miles from shore. 2.
Like other EPFs of its class, the Brunswick is capable of carrying up to 600 short tons of equipment for distances of 1,200 nautical miles at an average speed of 35 knots (nautical miles per hour). Construction and career