glideslope-localizer antenna

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Instrument landing system — The Instrument Landing System (ILS) is a ground based instrument approach system that provides precision guidance to an aircraft approaching a runway, using a combination of radio signals and, in many cases, high intensity lighting arrays to… … Wikipedia
Autoland — In aviation, autoland describes a system that fully automates the landing phase of an aircraft s flight, with the human crew merely supervising the process.DescriptionAutoland systems were designed to make landing possible in visibility too poor… … Wikipedia
Transponder Landing System — The Transponder Landing System (TLS) is an all weather, precision landing system that uses existing airborne transponder and ILS equipment to create a precision approach at a location where an ILS would normally not be… … Wikipedia
Marker beacon — A marker beacon is a particular type of VHF radio beacon used in aviation, usually in conjunction with an instrument landing system (ILS), to give pilots a means to determine position along an established route to a destination such as a runway.… … Wikipedia
Critical area — can refer to one of the following: Aviation In aviation, a critical area refers to a designated area of an airport that all aircraft must remain clear of when another aircraft is inbound on an ILS approach. The critical area should be avoided… … Wikipedia

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