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Level bust
Definition Any unauthorised vertical deviation of more than 300 feet from an ATC flight clearance.  +
Defsource EUROCONTROL EATMP Glossary, June 2001  +
Note Within RVSM airspace this limit is reduced
Within RVSM airspace this limit is reduced to 200 feet.(EUROCONTROL - HEIDI) Definitions applied by other organisations are similar but sometimes refer to a deviation of 300 feet or more. The level bust issue only relates to aircraft in controlled airspace or a designated ATZ outside controlled airspace and under either radar or procedural ATC control. (Note source: Skybrary, URL:
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Has query
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Level bust + , Level bust + , Level bust + , Level bust +
Categories Safety occurrence
Modification date
This property is a special property in this wiki.
5 July 2016 12:33:11  +
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