precision approach

An approach in which range, azimuth, and glide-slope information are provided to the pilot. This information may be provided by a pilot-interpreted aid, such as ILS (instrument landing system), or given by a ground controller, as in a GCA (ground-controlled approach).

Aviation dictionary. 2014.

Look at other dictionaries:

  • precision approach — An approach in which range, azimuth, and glide slope information are provided to the pilot. See also final approach; nonprecision approach …   Military dictionary

  • Precision approach radar — (PAR) is a type of radar guidance system designed to provide lateral and vertical guidance to an aircraft pilot for landing, until the missed approach point is reached. Controllers monitoring the PAR displays observe each aircraft s position and… …   Wikipedia

  • Precision Approach Path Indicator — Das VASI (Visual Approach Slope Indicator) ist ein optisches System, welches die Piloten bei der Einhaltung des Gleitpfades im Anflug auf eine Landebahn unterstützt. Ein VASI ist für Flughäfen nicht zwingend vorgeschrieben. Das System zeichnet… …   Deutsch Wikipedia

  • precision approach radar — Primary radar equipment used to determine the position of an aircraft during final approach, in terms of lateral and vertical deviations relative to a nominal approach path, and in range relative to touch down (ICAO). The system is basically a… …   Aviation dictionary

  • Precision Approach Path Indicator — The Precision Approach Path Indicator (PAPI) is a light system positioned beside the runway that consists of two, three, or four boxes of lights that provide a visual indication of an aircraft s (fixed wing or rotor wing) position on the… …   Wikipedia

  • Precision Approach Path Indicator — Le PAPI (Precision Approach Path Indicator, ou indicateur de pente d approche) est un instrument aidant à effectuer une approche correcte (dans le plan vertical) sur un aérodrome ou un aéroport. Il est généralement situé sur le côté de la piste,… …   Wikipédia en Français

  • precision approach procedure — A standard instrument approach procedure utilizing azimuth and glide path information provided by an ILS (instrument landing system), an MLS (microwave landing system), or a PAR (precision approach radar) …   Aviation dictionary

  • precision approach path indicator — A system of lights arranged to provide visual descent guidance information during the approach to a runway. The system is similar to the VASI (visual approach slope indicator). However, the light units are installed in a single row of either two… …   Aviation dictionary

  • Joint Precision Approach and Landing System — The Joint Precision Approach and Landing System (JPALS) is a military, all weather landing system based on real time differential correction of the GPS signal, augmented with a local area correction message, and transmitted to the user via secure …   Wikipedia

  • abbreviated precision approach path indicator — A precision approach path indicator system consisting of only two light units situated on the left side of the runway. The aircraft is on a slope if the unit nearest the runway shows red and the unit farthest from the runway shows white, too high …   Aviation dictionary

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