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A localizer is a radio navigation aid used for lateral guidance by aircraft approaching an airport to land.
7
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Where is KBOS runway 15R's localiser array?
Of the eight major-runway directions at KBOS, five (4R, 15R, 22L, 27, and 33L) are equipped with ILS (ILS-III for 4R and 33L, ILS-I for the rest). Four of these (4R, 22L, 27, and 33L) have a localise …
7
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Why can a localiser be used without a glideslope, but not vice versa?
An ILS consists, at its most basic, of two components: a localiser (to provide lateral guidance) and a glideslope (to provide vertical guidance). The two are typically used together, for an ILS appro …
9
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answers
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What prevents the use of a multi-segment ILS for non-straight approaches?
An ILS, consisting of a localiser beam to provide lateral guidance (which can also be used on its own for a non-precision approach) and a glideslope beam to provide vertical guidance, is (currently) i …