VLOS - A type of operation in which the remote pilot can maintain constant visual contact with the drone without aids and thus, in order to avoid a collision, monitor its trajectory in relation to other cranes, humans and natural and artificial creatures.
BVLOS - Type of operations in which visual contact with the unmanned aircraft is not maintained.
To perform flight operations out of sight of a remote pilot, it is necessary to obtain a special approval from the Croatian Civil Aviation Agency. For all information regarding special approvals, please email uas@ccaa.hr