If Controlled Airspace transit is required, be prepared and call ATC well in advance.
Use the correct phraseology to obtain the clearance you want without confusion.
Think about what you are going to say before you press the transmit switch.
Be aware that ATC may be busy even if the controller isn’t talking on the frequency at that moment.
Remember that the instruction “Standby” is not a clearance and you should remain outside of Controlled Airspace until a specific clearance is given.
Calling ATC well in advance (3 to 5 minutes flying time is regarded as the best window for most requests) will give the controller time to assess your request and will minimize your possible delay.
Cost – None
In the EUROCONTROL causal factors statistics, 7% of infringements are down to inadequate clearance. This points to either pilots relying on a clearance and not being given one or a breakdown in the communication process. The use of clear R/T requests using standard phraseology helps to eliminate confusion and EUROCONTROL have published a guide for VFR phraseology in Skybrary.
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