area minimum altitude

area minimum altitude; AMA
The minimum altitude to be used under instrument meteorological conditions (IMC), that provides a minimum obstacle clearance within a specified area, normally formed by parallels and meridians.
Term and definition added to PANS-OPS/I by Amdt 1 (15/03/2007) and to An 4 by Amdt 54 (2007).
минимальная абсолютная высота в зоне; AMA
Минимальная абсолютная высота, подлежащая использованию в приборных метеорологических условиях (ПМУ) и обеспечивающая минимальный запас высоты над препятствиями в пределах установленной зоны, обычно определяемой параллелями и меридианами.

International Civil Aviation Vocabulary (English-Russian). 2014.

Смотреть что такое "area minimum altitude" в других словарях:

  • Minimum safe altitude — Minimum safe altitude(MSA) is a concept used in planning and executing aircraft flights. It is an altitude which allows adequate vertical clearance from nearby terrain and manmade obstacles, and allows proper navigational functions. Contents 1… …   Wikipedia

  • minimum IFR altitude — The lowest IFR (instrument flight rules) altitude established for use in a specific airspace. Depending on the airspace concerned, the minimum IFR altitude may be a minimum obstacle clearance altitude (MOCA), a minimum en route altitude (MEA), a… …   Aviation dictionary

  • Minimum obstacle clearance altitude — Minimum Obstacle Clearance Altitude, or MOCA, is the lowest published altitude in effect between fixes on VOR airways, off airway routes, or route segments that meets obstacle (like a building or a tower) clearance requirements for the entire… …   Wikipedia

  • minimum holding altitude — The lowest altitude prescribed for a holding pattern, which complies with requirements for obstruction clearance and ensures good reception of radio signals and of navigational aids. The minimum holding level provides a clearance of at least 1000 …   Aviation dictionary

  • Altitude (triangle) — Orthocenter and Orthocentre redirect here. For the orthocentric system, see Orthocentric system. Three altitudes intersecting at the orthocenter In geometry, an altitude of a triangle is a straight line through a vertex and perpendicular to (i.e …   Wikipedia

  • minimum sector altitude — The lowest altitude which may be used which will provide a minimum clearance of 300 m (1000 ft) above all objects located in an area contained within a sector of 46 km (25 NM) radius centered on radio aid to navigation. (ICAO). This altitude may… …   Aviation dictionary

  • minimum vectoring altitude — The lowest altitude, expressed in feet AMSL (above mean sea level), to which a radar controller may vector aircraft, except as otherwise authorized for radar approaches, departures, and missed approaches. MVAs are established for use by ATC (air… …   Aviation dictionary

  • minimum descent altitude (MDA)/minimum descent height — A specified altitude or height in a non precision approach or circling approach below which descent must not be made without the required visual reference (ICAO). The MDA is referenced to the mean sea level, and the MDH is referenced to the… …   Aviation dictionary

  • minimum safe altitude — The altitude below which it is hazardous to fly because of the presence of high ground or other obstacles. MSAs are published for emergency use on instrument approach procedure (IAP) charts except RNAV (area navigation) IAPs. The MSA is defined… …   Aviation dictionary

  • decision altitude (DA)/decision height — i. A specified altitude or height in the precision approach at which a missed approach must be initiated if the required visual reference to continue the approach has not been established. The decision altitude is with reference to mean sea level …   Aviation dictionary

  • Lowest safe altitude — The lowest safe altitude (LSALT) is a term used in aviation and in particular in air navigation. It is an altitude that is at least 1,000 feet above any obstacle or terrain within a defined safety buffer region around a particular route that a… …   Wikipedia

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