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Radio Communication Procedures Flashcards

7 cards from real REPL practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Radio Communication Procedures flashcards as text

  1. What does the abbreviation CTAF stand for in Australian aviation?

    Answer: Common Traffic Advisory Frequency

    CTAF stands for Common Traffic Advisory Frequency, the designated frequency used by pilots to broadcast their intentions at non-towered aerodromes.

  2. What is the international aviation distress and emergency frequency?

    Answer: 121.5 MHz

    121.5 MHz is the international distress and emergency frequency, monitored by aircraft, ATC, and rescue services worldwide.

  3. In ICAO aviation radio phraseology, what does the term 'Roger' mean?

    Answer: I have received all of your last transmission

    In ICAO phraseology, 'Roger' means 'I have received all of your last transmission' — it does not imply compliance or agreement.

  4. In the ICAO phonetic alphabet, which word represents the letter 'A'?

    Answer: Alpha

    Alpha is the ICAO standard phonetic word for the letter 'A', used universally in aviation radio communication to avoid misunderstanding.

  5. What does the radio term 'Wilco' mean in aviation communications?

    Answer: I understand and will comply

    'Wilco' is a contraction of 'will comply' and means the pilot understands the instruction and will carry it out.

  6. When an RPA operator needs to broadcast near a non-towered aerodrome in Australia, on which frequency should they broadcast?

    Answer: The designated CTAF published for that aerodrome

    RPA operators must broadcast on the designated CTAF published in the ERSA or on the aeronautical chart for that specific aerodrome.

  7. Which certificate is required in Australia to legally operate an aeronautical radio?

    Answer: Aeronautical Radio Operator Certificate (AROC)

    The Aeronautical Radio Operator Certificate (AROC), issued by CASA, is required to operate aviation radio communications equipment in Australian airspace.

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Sources & references

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  1. casa.gov.au — Test delivery, eligibility, fees, exam format, passing score, score release, time limit, score validity · verified Oct 2026