newstodate.aero
Dec 4, 2007 (newstodate): Bulgaria's Sofia Airport is repeatedly facing severe disruptions of operations due to heavy fog.
The airport has installed a new navigation system, but it must be in operation for six months before the airport's CAT II category since September, 2007, can be lifted to CAT III.
The airport has installed a new navigation system, but it must be in operation for six months before the airport's CAT II category since September, 2007, can be lifted to CAT III.