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In radar-related subjects and in JTIDS, a data mile is a unit of distance equal to 6000 feet (1.8288 kilometres or 0.987 nautical miles). An international mile is exactly 0.88 of a data mile. The speed of light is 983571056 ft/s, or about one foot per nanosecond .
Luggage restrictions and limits at Canadian airports are in metric values with soft imperial conversion values. [34] Runway lengths are given in feet and speed in knots [35] [36] as in the US. Like a number of metric countries altitude is given in feet. [37] [38] Fuel is nowadays measured in metric units.
From 1630 to 1718 a millia was 5,564 feet (1,696 metres), making a geographical league of four millias equal 22,256 feet (6,784 m or 3.663 modern nautical miles). But from 1718 through the 1830s the millia was defined as the equivalent of just over 5,210 feet, giving a shorter geographical league of just over 20,842 feet (6,353 m or 3.430 ...
Another conversion is based on the Mughal emperor Akbar, who standardized the unit to 5000 guz in the Ain-i-Akbari. The British in India standardized Akbar's guz to 33 inches (840 mm), making the kos approximately 4,191 metres (13,750 ft). [2] Another conversion suggested a kos to be approximately 2 English miles. [3]
This figure corresponds to 5280 feet at 25.4 millimeters per inch. 1,609.3472 (statute) mile: United States: 1893: 2022: 1,760 yards: From 1959 also called the US Survey Mile. From then, its only utility has been land survey, before it was the standard mile. From 1893, its exact length in metres was: 3600 / 3937 × 1760 1,807: Scots ...
Flight levels [3] are described by a number, which is the nominal altitude, or pressure altitude, in hundreds of feet, while being a multiple of 500 ft.Therefore, a pressure altitude of 32,000 ft (9,800 m) is referred to as "flight level 320".
kilometre (km) or kilometer is a metric unit used, outside the US, to measure the length of a journey; the international statute mile (mi) is used in the US; 1 mi = 1.609344 km; nautical mile is rarely used to derive units of transportation quantity.
Conversions between units in the metric system are defined by their prefixes (for example, 1 kilogram = 1000 grams, 1 milligram = 0.001 grams) and are thus not listed in this article. Exceptions are made if the unit is commonly known by another name (for example, 1 micron = 10 −6 metre).