Radio Technical Landing Systems
Radio Technical Landing Systems
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The Instrument Landing System (ILS) is a final navigation aid used for approach and landing and consists of three components, a Localizer (LOC), a Glide Path (GP), and a series of marker beacons. Other than for a few operational civilian approaches in the United States, Microwave Landing Systems (MLS) have been replaced with GPS‐based approach systems. The Ground‐Based Augmentation System (GBAS) involves a fixed ground station that transmits position‐correction data for satellite‐based GPS signals to provide aircraft with very precise positioning guidance during the final stages of an approach, followed by very accurate 3D positioning during the landing phase of flight. As with most things relating to aircraft and airports, there are specific regulations relating to airport visual landing aids. Approach Lighting Systems (ALS) are a configuration of high‐intensity or medium‐intensity sequenced flashing signal lights designed to guide the pilot from the approach zone to the runway threshold.
Document information
Radio Technical Landing Systems
Aerospace Navigation Systems ; 162-178
2016-06-17
17 pages
Article/Chapter (Book)
Electronic Resource
English
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