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The common Dutch mile was 32 stadia, 4,000 paces, or 20,000 feet (5,660 m or 6,280 m). The large mile was defined as 5000 paces. [41] The common Dutch mile was preferred by mariners, equating with 15 to one degree of latitude or one degree of longitude on the equator. This was originally based upon Ptolemy's underestimate of the Earth's ...
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).
The normal climb values used for determining MCAs in the United States are: 150 feet per nautical mile from mean sea level (MSL) to 5000 feet MSL; 120 feet per nautical mile from 5000 feet to 10,000 feet MSL; and 100 feet per nautical mile at 10,000 feet MSL or above. Illustration showing how MCA is determined. For example, see the illustration ...
mile: 5,000 pedes 1.48 km 4,854 ft 0.919 mi 1000 passus or 8 stadia leuga leuca (Gallic) league: 7,500 pedes 2.22 km 7,281 ft 1.379 mi Except where noted, based on Smith (1851). [2] English and metric equivalents are approximate, converted at 1 pes = 0.9708 English feet and 296 mm respectively.
To be included on the list, a place needs to be an incorporated municipality (i.e. a city, town, or village) and it needs to be at an elevation of 3,000 feet (914 m) or higher. In the United States, settlements above 3,000 feet are found primarily on the High Plains, in the Rocky Mountains, and in Western North Carolina. However, since many ...
It is about half of its sea-level value at 5,000 m (16,000 ft), the altitude of the Everest Base Camp, and only a third at 8,848 m (29,029 ft), the summit of Mount Everest. [9] When pO 2 drops, the body responds with altitude acclimatization .
Start with fewer miles and then increase over time to create a more sustainable routine. Aim for: anywhere between 2,000 and 8,000 steps per day—which is between one and four miles. Keep in mind ...
A minimum off-route altitude (MORA) provides a quick way for an aircraft pilot to read the minimum altitude required for terrain and obstacle clearance. MORAs give at least 1,000 feet altitude clearance above terrain and obstacles such as radio masts, and 2,000 feet where the terrain and obstacles exceed 5,000 feet. [1]