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When must a pilot use their full callsign (not abbreviated)?

Choices

  • Only during IFR flights

    Incorrect. Review the explanation and the cited FAA reference for the correct answer.

  • ✓ During initial contact with any ATC facilitycorrect

    Pilots should use their full callsign on initial contact with any ATC facility. After ATC has addressed you with an abbreviated callsign and communication has been established, you may use the abbreviated form. Always revert to full callsign if there is potential confusion.

  • Only when flying above 10,000 feet

    Incorrect. Review the explanation and the cited FAA reference for the correct answer.

  • Only at towered airports

    Incorrect. Review the explanation and the cited FAA reference for the correct answer.

Why

Pilots should use their full callsign on initial contact with any ATC facility. After ATC has addressed you with an abbreviated callsign and communication has been established, you may use the abbreviated form. Always revert to full callsign if there is potential confusion.

FAA source: AIM 4-2-4(a),(b)browse the reference library →

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Original study question written for this course — representative of FAA knowledge-test topics, not an actual current FAA exam question.

When must a pilot use their full callsign (not abbreviated)? · PPL Free Ground School