A nautical mile is a unit of length used in air, marine, and space navigation, and for the definition of territorial waters.[2][3] Historically, it was defined as the meridian arc length corresponding to one minute (.mw-parser-output .sfracwhite-space:nowrap.mw-parser-output .sfrac.tion,.mw-parser-output .sfrac .tiondisplay:inline-block;vertical-align:-0.5em;font-size:85%;text-align:center.mw-parser-output .sfrac .num,.mw-parser-output .sfrac .dendisplay:block;line-height:1em;margin:0 0.1em.mw-parser-output .sfrac .denborder-top:1px solid.mw-parser-output .sr-onlyborder:0;clip:rect(0,0,0,0);height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;width:1px1/60 of a degree) of latitude. Today the international nautical mile is defined as exactly 1,852 metres (6,076 ft; 1.151 mi). The derived unit of speed is the knot, one nautical mile per hour.
Dutton's Nautical Navigation Pdf Free 16
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Using the definition 1/60 of a degree of latitude on Mars, a Martian nautical mile equals to 983 m (1,075 yd). This is potentially useful for celestial navigation on a human mission to the planet, both as a shorthand and a quick way to roughly determine the location.[21]
Underscore U.S. policy on military activities in the SCS. The legality of military activities in the SCS, including military survey and intelligence gathering, is a major sticking point between the United States and China. A legal memorandum emphasizing the U.S. position on its navigational rights in the SCS would help to further clarify the matter. In addition to reiterating long-standing U.S. priorities in the SCS (i.e., respect for international law, freedom of the seas, maintenance of security and stability, and unimpeded commerce and economic development),[39] the NSSCS should delineate the U.S. case regarding the legality of military survey activities in the EEZ. 2ff7e9595c
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