Airspace · Question 53 of 65
A transit flight through an "HX"-designated control zone outside the hours of operation is possible without clearance if the pilot ...
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Answer
- B prior to the transit flight obtains confirmation from the competent aerodrome control tower, outside the times TWR is operating, from the aerodrome flight information service or from the flight information service, that the control zone is not operational
Explanation
An HX control zone may be crossed without clearance outside its hours of operation if the pilot first obtains confirmation that it is inactive: from aerodrome control, outside tower hours from the aerodrome flight information service, or from FIS. Checking the AIP is not sufficient.