Issue: What Does This Specific ATC Instruction Mean?

The phrases ATC may use for issuing a clearance fills a very large manual called Joint Order 7110.65, Air Traffic Control. Many ATC phrases are also defined in the Aeronautical Information Manual. It would be impossible to define every phrase in a single page on this website. Sometimes, you may know the definition of a phrase but remain unsure about how it applies to your flight.

Please use the search box below to look up the phrase or word. If a search of does not produce a satisfactory answer, please email me, Jeff, at and I’ll do my best to answer your question.

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