- The airspace reverts to Class E or a combination of Class E and G airspace during the hours the tower is not in operation.
- The airspace designation normally will not change.
- The airspace remains Class D airspace as long as a weather observer or automated weather system is available.
UAV CampusAdministrator
When a control tower located on an airport within Class D airspace ceases operation for the day, what happens to the airspace designation?
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The airspace reverts to Class E or a combination of Class E and G airspace during the hours the tower is not in operation.
(The airspace is class D when the tower is in operation but reverts to Class E when not. In some situations, the airspace can be a combination of E and G. Refer to “Class D: Definitions” video for more information.)