When may the name of the location or the call sign suffix in the call sign of an aeronautical station be omitted ?
Domanda 69, VFR Communications - ATPL - Airline Transport Pilot license
| Only after the aeronautical station has used the abbreviated call sign |
| Never |
| In dense traffic during rush hours |
| When satisfactory communication has been established and provided it will not be confusing to do so |
