stół łączyć Pierwszeństwo recipricol traffic radio frazeology rewolucja Uległy burza
RT CALLS: RADIO CHECK PREFLIGHT RADIO CHECK IS DONE ON GROUND BEFORE STARTING THE ENGINES. CALLSIGN IS PLACE NAME AND GROUND. IT IS DONE ON VHF OR ANY. - ppt download
PhD Thesis - HF in ATC | Air Traffic Control | Visual Flight Rules