What responsibility does ZAE assume when FDIO is unavailable?

When FDIO (Flight Data Input/Output) is unavailable, ZAE assumes the responsibility for issuing full departure clearances. This is crucial because without FDIO, which typically handles the distribution of flight data and clearances electronically, air traffic controllers must ensure that all departing flights receive their necessary clearances manually or through alternative methods. This responsibility is fundamental to maintaining safe operations and preventing miscommunications or delays at busy airports.

Issuing full departure clearances includes all required instructions for pilots to prepare for takeoff, including route and any altitude restrictions. This role is vital to ensure that aircraft are safely sequenced in the airfield environment, which might otherwise be chaotic without the automated systems in place.

While managing ground traffic and monitoring air traffic are both essential functions within the air traffic control environment, they do not necessarily encompass the full scope of responsibilities needed when the FDIO system is down. The focus remains on issuing complete and accurate clearances to facilitate safe departures.