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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).
New Zealand: 12 nautical miles (22.2 km; 13.8 mi) limit includes Tokelau. Papua New Guinea: 3 nautical miles (5.6 km; 3.5 mi) in certain areas. Peru claims territorial waters out to 200 nmi. Peru: The 200 nautical miles (370.4 km; 230.2 mi) territorial sea is called "Maritime Dominion" in article 54 of the 1993 Constitution: "...
The radar mile is a unit of time (in the same way that the light year is a unit of distance), equal to the time required for a radar pulse to travel a distance of two miles (one mile each way). Thus, the radar statute mile is 10.8 μs and the radar nautical mile is 12.4 μs. [91]
Australia's exclusive economic zone was declared on 1 August 1994, and extends from 12 to 200 nautical miles from the coastline of Australia and its external territories, except where a maritime delimitation agreement exists with another state. [34] [35] To the 12 nautical miles boundary is Australia's territorial waters. Australia has the ...
Since the mid-20th century, numerous nations have claimed territorial waters well beyond the traditional three-mile limit. Commonly these maritime territories extend 12 nautical miles (22 km) from a coastline, and this was eventually established as the international norm by the 1982 United Nations Convention on the Law of the Sea. As a result ...
The elongated roughly S shaped country has a north-to-south distance of 1,650 km (1,030 mi) and is about 50 km (31 mi) wide at the narrowest point. With a coastline of 3,260 km (2,030 mi), excluding islands , Vietnam claims 12 nautical miles (22.2 km; 13.8 mi) as the limit of its territorial waters, an additional 12 nautical miles (22.2 km; 13. ...
The length of the internationally agreed nautical mile is 1 852 m. The US adopted the international definition in 1954, having previously used the US nautical mile (1 853.248 m). [6] The UK adopted the international nautical mile definition in 1970, having previously used the UK Admiralty nautical mile (6 080 ft or 1 853.184 m).
The North Sea continues to be an active trade route. The countries bordering the North Sea all claim the 12 nautical miles (22 km; 14 mi) of territorial waters within which they have exclusive fishing rights. Today, the North Sea is more important as a fishery and source of fossil fuel and renewable energy, since territorial expansion of the ...