Pilot Test ZoneA change of radiotelephony call sign by aircraft is
- Always permitted
- Allowed on the instruction of an air traffic control unitCorrect answer
- Strongly forbidden
- Permitted on request of aircraft
Explanation
An aircraft's radiotelephony call sign may be changed temporarily during a flight only on the instruction of an air traffic control unit.
🔒 The full EASA/ICAO explanation is available in the app.
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