1) The units providing Air Traffic Services are:
2) The speed limitation for IFR flights inside ATS airspace classified as E, when flying below 3050 m (10000 ft) AMSL, is:
3) To perform a VFR flight in airspace classification E:
4) Which condition is requested so that an aerodrome may be considered controlled?
5) Area Control Centres issue clearances for the purpose of: