instrument approach system

instrument approach system

[′in·strə·mənt ə¦prōch ‚sis·təm]
(navigation)
An aircraft navigation system that furnishes guidance in the vertical and horizontal planes to aircraft during descent from an initial-approach altitude to a point near the landing area; completion of a landing requires guidance to touchdown by visual or other means.
References in periodicals archive ?
Regulators have offered some potential solutions, such as changing the instrument approach system.
Being second in South East Asia (SEA) after New Delhi Airport, ILS CAT IIIB at AIIAP Lahore is a ground based instrument approach system which provides precision guidance to an aircraft landing on the runway during reduced visibility due to fog or blowing snow.
"An ILS operates as ground-based instrument approach system that
That's a ground-based instrument approach system that provides precise lateral and vertical guidance to a plane approaching and landing on a runway using radio signals.
Full browser ?