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In response to the pros/cons of feet vs. meters, the big advantage that feet have over meters, is that it allows you to use nice human-memorable numbers for cruising altitudes. In the US, we generally use 500ft for visual separation, and 1000ft for separating IFR traffic from other IFR.
- How is elevation and altitude measured?
A vertical datum is used for measuring the elevations of...
- How is elevation and altitude measured?
Height above mean sea level is a measure of a location's vertical distance ( height, elevation or altitude) in reference to a vertical datum based on a historic mean sea level. In geodesy, it is formalized as orthometric height.
Altitude is a distance measurement, usually in the vertical or "up" direction, between a reference datum and a point or object. The exact definition and reference datum varies according to the context (e.g., aviation, geometry, geographical survey, sport, or atmospheric pressure).
An altimeter or an altitude meter is an instrument used to measure the altitude of an object above a fixed level. The measurement of altitude is called altimetry, which is related to the term bathymetry, the measurement of depth under water.
These are pretty standard in most of the Americas (North/Central/South), but in certain parts of the world some of the units are different: Meters for height; Kilometers or meters for distance and weather; HectoPascals (hPa/Millibars) for altimeter settings; Kilograms for fuel quantity on the aircraft; Kilograms/hour for fuel flow
A measure of height, especially of great height, as a mountain top or aircraft flight level. In meteorology, altitude is used almost exclusively with respect to the height of an airborne object above the earth's surface, above a constant pressure surface, or above mean sea level.
