Regular MiG-21flights
As part of the regular and planned fighter pilots training of the Fighter Squadron (EBA) from the 91st Air Force Base on supersonic MiG-21 aircraft, from 12 to 14 September 2012, from 09.00 to 14.00 hours one can be expected sonic booms.
The flights will be carried out in the Osijek-Baranja, Brod-Posavina, Sisak and Zagreb County at an altitude above 10 000 meters, in compliance with all security measures.