approach slope indicator

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• Visual Approach Slope Indicator — The Visual Approach Slope Indicator (VASI) is a system of lights on the side of an airport runway that provides visual descent guidance information during the approach to a runway. These lights may be visible from up to eight kilometers (five… …   Wikipedia

• Visual Approach Slope 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

• abbreviated visual approach slope indicator system — A night landing aid placed at the beginning of a flare path or runway. It displays different colored lights, depending on the angle from which it is viewed by a pilot approaching to land. When viewed from the correct angle of safe approach, it… …   Aviation dictionary

• visual approach slope indicator — A system of lights arranged to provide visual descent guidance information during the approach to a runway. These lights are visible from 3 to 5 miles during the day and up to 20 miles at night. The visual glide path of the VASI provides a safe… …   Aviation dictionary

• tricolor visual approach slope indicator — A system of lights to indicate the correct glide slope when making an approach to a runway. It consists of a single light unit projecting a three color visual approach path. The below–glide path indication is red, the above–glide path indication… …   Aviation dictionary

• 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 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

• helicopter approach path indicator — A device similar to a VASI (visual approach slope indicator) used for fixed wing aircraft. The helicopter gets a steady green indication when it is on the desired glide slope. The indication is flashing green when it is above the glide slope, and …   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

• Slope — (eng.: Steigung) steht für Course Rating und Slope, Golfbegriff Dual Slope Verfahren, Funktionsprinzip eines ADUs Visual Approach Slope Indicator (VASI) optisches System für Piloten Slippery Slope Argument, rhetorischer Begriff Clapeyron Slope,… …   Deutsch 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