ILS categories | Article about ILS categories by The Free Dictionary
ILS (instrument landing systems) are categorized according to their capability to provide for approach to a height above touchdown (HAT)/decision height (DH) and RVR (runway visual range). Different categories of ILS are as given in the table.
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References in periodicals archive
There are three major ILS categories
ranging from I to III--the higher the number, the more capable the system--though the latter has alphabetical subsections, A, B and C.
It tracks, analyses, and lays out the market size of major aviation spenders in each region and provides the market share by ILS Categories and types of VLA.
Thus, data was triangulated among three major categories based on their market sizes by ILS categories, geography, and company revenue.