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instrument approach charts show holding procedures, instrument approach procedures and missed approach procedures. In addition to the plan and profile views of various instrument procedures, the charts provide a wealth of other information: obstacle location and clearance height (OCH); ground speeds versus rates of descent; VOR-DME, LOC, G/S, IAF identifiers and frequencies; transition altitudes and levels; airfield elevation in feet and metres; Tower, Approach, Ground and ATIS radio frequencies; the location of outer, middle and inner markers, fixes and missed approach point; ILS minima; minimum safe /descent altitudes; final approach course; decision height / altitude; threshold crossing heights (TCH); missed approach procedure etc.
source: ICAO English Pro Aviation Glossary
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