ATPL: In order to indicate radio failure the aircraft SSR transponder should be selected to code:
Domanda 312, Radio Navigation - ATPL - Airline Transport Pilot license
| 7000 |
| 7700 |
| 7600 |
| + or - 50° of the runway centre-line |
| 7000 |
| 7700 |
| 7600 |
| + or - 50° of the runway centre-line |
