When an aircraft landing system is made to enter the spoofing zone
Marker beacon - Wikipedia
Marker Beacons
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Marker Beacon System * Function The marker beacon system is a radio navigation aid which determines the distance between the aircraft and the runway threshold. The system provides visual and aural indications
Marker beacon | Article about marker beacon by The Free Dictionary
ATPL Theory - Marker Beacons Marker Beacons are stations on the ground. When you fly overhead they will let you know by means of a visual or a sound (can be both).
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ILS The Instrument Landing System (ILS) provides an approach path for exact alignment and descent of an aircraft on final approach to a runway The basic components of an ILS are the
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Instrument Landing System (ILS) Explained - YouTube
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Pilotscafe Understanding ILS
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Marker callouts - Features - Infinite Flight Community
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