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PA.II.D.K2FAA-S-ACS-6C · Nov 2023Knowledge

Taxi instructions/clearances.

ACS element text (the applicant demonstrates understanding of)

Taxi instructions/clearances.

Bottom line

A clearance must be obtained prior to taxiing on a runway, taking off, or landing during the hours an Airport Traffic Control Tower is in operation.

Key numbers

Key numbers for Taxi instructions/clearances.
NumberWhat it means
Not more than 10 minutes before proposed taxi time, for participating pilots at airports with pre-taxi clearance programsPre-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 (p. 14-33) — FAA-H-8083-25C (2023)
  4. AIM 4-3-20 (Standard Taxi Routes) — AIM Basic 2/20/25 w/ Change 1 (8/7/25) & Change 2 (1/22/26)
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