← All explained questions · Communications and Air Traffic Control
Which ATC instruction must always be read back?
Choices
A traffic advisory about a nearby aircraft
Traffic advisories are acknowledged but are not a mandatory verbatim readback.
✓ A runway hold-short instructioncorrect
Hold-short and runway instructions must be read back so the controller can confirm them.
The current altimeter setting
The altimeter setting is acknowledged but not a required verbatim readback.
A wind check
A wind report does not require a readback.
Why
Runway hold-short instructions and any instruction to enter, cross, or hold on a runway must be read back verbatim, ending with the aircraft call sign.
FAA source: AIM 4-4FAA-H-8083-25 (communications)browse the reference library →
Original study question written for this course — representative of FAA knowledge-test topics, not an actual current FAA exam question.