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precision approach radar

aproximación dirigida por radar

cienc., transp.

rádar de aproximación de precisión

radar de precisión para la aproximación

comun., electr.

radar de precisión de aterrizaje

radar de aproximación precisa controlada desde tierra; vea GCA

Inglés tesauro

Precision Approach Radar

transp., abrev.

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 touchdown. (Precision approach radars are designated to enable pilots of aircraft to be given guidance by radiocommunication during the final stages of the approach to land.)

A high-definition, short-range radar used as an approach aid. This system provides the controller with altitude, azimuth and range information of high accuracy for the purpose of assisting the pilot in executing an approach and landing. This form of navigation assistance is termed a "precision radar approach."

Precision Approach Radar

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