LLZ DME
LLZ may refer to: * Localizer, a component of an instrument landing system (ILS) for the runway centreline, providing runway guidance to aircraft * L. L. Zamenhof (1859–1917), the creator of Esperanto Esperanto ( or ) is the world's most widely spoken constructed international auxiliary language. Created by the Warsaw-based ophthalmologist L. L. Zamenhof in 1887, it was intended to be a universal second language for international communi ...

Localizer
An instrument landing system localizer, or simply localizer (LOC), is a system of horizontal guidance in the instrument landing system, which is used to guide aircraft along the axis of the runway. Principle of operation In aviation, a localizer is the lateral component of the ''instrument landing system'' (ILS) for the runway centerline when combined with the vertical glide slope, not to be confused with a Locator outer marker, locator, although both are parts of aviation navigation systems. A localizer (like a glideslope) requires both a transmitting airport runway system and receiving cockpit instruments. An older aircraft without an ILS receiver cannot take advantage of any ILS facilities at any runway, and much more importantly, the most modern aircraft have no use of their ILS instruments at runways which lack ILS facilities. In parts of Africa and Asia large airports may lack any kind of transmitting ILS system. Some runways have ILS only in one direction, this can howev ...
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