ppl(A): Which of the following frequencies is an international emergency frequency:
Domanda 115, Comunicazioni in inglese - PPL(A) - Licenza Pilota Privato (Aerei)
| 122.500 MHz |
| 6500 KHz |
| 121.050 MHz |
| 121.500 MHz |
| 122.500 MHz |
| 6500 KHz |
| 121.050 MHz |
| 121.500 MHz |
