Question

At a minimum, what is the process for task certified ATC personnel to report changes in tower prevailing visibility to the local EU when tower visibility is less than 4 statute miles (6000 meters) and different from the surface prevailing visibility?

Answer 1

ATC personnel must report changes in tower prevailing visibility to the local EU when it is less than 4 statute miles and different from the surface prevailing visibility. Communication methods like radio or telephone can be used, providing clear and concise information about the new visibility and its difference from the surface visibility.

Step-by-step explanation:

ATC personnel certified to perform tasks in the control tower must report changes in tower prevailing visibility to the local EU when the tower visibility is less than 4 statute miles (6000 meters) and different from the surface prevailing visibility.

To report these changes, ATC personnel may use various means of communication, such as radio or telephone, to inform the local EU of the updated tower visibility. They should provide clear and concise information, stating the new tower visibility and its difference from the surface prevailing visibility.

For instance, an ATC personnel may say, 'Tower visibility is currently 3 statute miles with a difference of 1 statute mile from the surface prevailing visibility of 4 statute miles.'