← All explained questions · Supplemental original questions
When can ATC use an abbreviated callsign for your aircraft?
Choices
At any time during the flight
Incorrect. Review the explanation and the cited FAA reference for the correct answer.
✓ Only after ATC has used the abbreviated form and no similar callsigns are on frequencycorrect
ATC may abbreviate the aircraft callsign to the aircraft type and last three characters after establishing communication, provided no similar sounding callsigns are on frequency. The pilot may then use the abbreviated callsign. Initial contact always requires the full callsign.
Only during emergencies
Incorrect. Review the explanation and the cited FAA reference for the correct answer.
Only when the pilot requests it
Incorrect. Review the explanation and the cited FAA reference for the correct answer.
Why
ATC may abbreviate the aircraft callsign to the aircraft type and last three characters after establishing communication, provided no similar sounding callsigns are on frequency. The pilot may then use the abbreviated callsign. Initial contact always requires the full callsign.
FAA source: AIM 4-2-4(b)browse the reference library →
Try 10 more questions on this topic →Free, no signup needed to start.
Original study question written for this course — representative of FAA knowledge-test topics, not an actual current FAA exam question. Reviewed by a panel of three CFIs + AI review.