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AI.V.D.K3FAA-S-ACS-25 · Nov 2023Knowledge

Taxi instructions/clearances.

ACS element text (the applicant demonstrates understanding of)

Taxi instructions/clearances.

Bottom line

Approval must be obtained prior to moving an aircraft or vehicle onto the movement area during the hours an Airport Traffic Control Tower is in operation. ATC will issue an explicit clearance for all runway crossings.

Key numbers

Key numbers for Taxi instructions/clearances.
NumberWhat it means
not more than 10 minutes before proposed taxi timePre-taxi call

FAA references

  1. AIM 4-3-18 (Taxiing) — AIM Basic 2/20/25 w/ Change 1 (8/7/25) & Change 2 (1/22/26)
  2. AIM 5-2-1 (Pre‐taxi Clearance Procedures) — AIM Basic 2/20/25 w/ Change 1 (8/7/25) & Change 2 (1/22/26)
  3. PHAK ch. 14 (pp. 14-32–14-33) — FAA-H-8083-25C (2023)
  4. AFH ch. 2 (p. 2-19) — FAA-H-8083-3C
  5. AIM 4-3-19 (Taxi During Low Visibility) — AIM Basic 2/20/25 w/ Change 1 (8/7/25) & Change 2 (1/22/26)
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