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Obtaining VFR Clearance from Air Traffic Control
Pilots are often surprised when there is a delay following a request for a VFR clearance. This material explains the internal processes that must occur within Air Traffic Control (ATC) for such a request to be processed.
The processes described here are generalisations and may vary in detail depending on time of day and location. When requesting a clearance from ATC, make your request on the appropriate frequency for the area you are in, unless a particular frequency is specified in AIP Ireland. ATC will transfer you to the correct frequency if necessary.