downstream clearance
as defined in Commission Implementing Regulation (EU) 2017/373 of 1 March 2017 laying down…
a clearance issued to an aircraft by an air traffic control unit that is not the current controlling authority of that aircraft
as defined in Commission Implementing Regulation (EU) 2017/373 of 1 March 2017 laying down…
a clearance issued to an aircraft by an air traffic control unit that is not the current controlling authority of that aircraft