ATPL: Which of the following equipments works on the interrogation/response principle?
Domanda 201, Radio Navigation - ATPL - Airline Transport Pilot license
| Secondary Surveillance Radar (SSR) |
| Aerodrome Surface Movement Radar |
| Airborne Weather Radar (AWR) |
| + or - 1.25 NM plus 0.25% of the distance measured |
