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AA.II.D.K7eFAA-S-ACS-11A · Nov 2023Knowledge

e. Low visibility taxi and sailing operations

ACS element text (the applicant demonstrates understanding of)

Airport/seaplane base procedures, including: e. Low visibility taxi and sailing operations

Bottom line

No person may, at any airport with an operating control tower, operate an aircraft on a runway or taxiway, or take off or land an aircraft, unless an appropriate clearance is received from ATC. Flightcrews should use a “continuous loop” process to actively monitor and update their progress and location during taxi.

FAA references

  1. AC 120-74, paras. 7b, 7c — AC No: 120-74B
  2. 14 CFR 91.129 (Operations in Class D airspace.) — eCFR current as of 2026-03-05
  3. RMH ch. 3 (p. 3-7) — FAA-H-8083-2A
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