proximity to the terrain

См. также в других словарях:

• terrain alert — i. A facility that alerts the pilot when the aircraft reaches a preset altitude above the terrain during descent. This facility is in the form of an audio and/or visual warning. This terrain alert system is a multicolored display. It shows… …   Aviation dictionary

• Terrain awareness and warning system — (TAWS) attempts to reduce controlled flight into terrain by improving on current ground proximity warning systems. TAWS does this by using digital elevation data and airplane instrumental values to predict if a likely future position of the… …   Wikipedia

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• Ground proximity warning system — (GPWS) is a system designed to alert pilots if their aircraft is in immediate danger of flying into the ground or an obstacle. Another common name for such a system is ground collision warning system (GCWS). Commercial aircraft The system… …   Wikipedia

• ground-proximity warning system — A system that warns the crew if the aircraft’s current flight path would result in impact with the ground. The system automatically and continuously monitors the aircraft’s flight path with respect to the terrain at all altitudes between 50 and… …   Aviation dictionary

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