Originally Posted by
sunnySA
From Senate Estimates
Mr Harfield (ASA CEO): When we have a service variation in en-route airspace—it is not necessarily the tower—where we don't have the qualified air traffic controller to provide the service, we set up what is called a temporary restricted area. We have a person to sit there, an operational person, who monitors the airspace and decides whether somebody can enter the airspace or not, and manage. At the same time they provide a flight information service, which is no different. We add an additional protocol, which is the traffic information broadcast by aircraft. That means that the aircraft need to broadcast their position, no different to when they are flying into class G or some regional ports. It means there is an extra layer of safety because instead of the air traffic controller, the person, being the only person who knows what's going on, it's making sure that everyone—
Worthy of Utopia. By making the normally controlled airspace TIBA "there is an extra layer of safety".