AI.II.M.R3FAA-S-ACS-25 · Nov 2023Risk management

Collision hazards.

ACS element text (the applicant demonstrates understanding of)

Collision hazards.

Bottom line

Pilots are responsible for seeing and avoiding other aircraft when flying under VFR or in VMC while flying under IFR. Under certain conditions, it is difficult to see other aircraft because of haze, sunlight, aircraft position, blind spots, and other factors. Under dim illumination, another aircraft must be much closer to be seen unless its navigation lights are on.

FAA references

  1. AIM 8-1-8 (Judgment Aspects of Collision Avoidance) — AIM Basic 2/20/25 w/ Change 1 (8/7/25) & Change 2 (1/22/26)
  2. PHAK ch. 17 (p. 17-25) — FAA-H-8083-25C (2023)
  3. AIM 8-1-6 (Vision in Flight) — AIM Basic 2/20/25 w/ Change 1 (8/7/25) & Change 2 (1/22/26)
  4. AIM 4-3-19 (Taxi During Low Visibility) — AIM Basic 2/20/25 w/ Change 1 (8/7/25) & Change 2 (1/22/26)
  5. PHAK ch. 14 (p. 14-34) — FAA-H-8083-25C (2023)
  6. AFH ch. 13 (p. 13-15) — FAA-H-8083-3C
  7. RMH ch. 3 (p. 3-8) — FAA-H-8083-2A
  8. PHAK ch. 14 (p. 14-28) — FAA-H-8083-25C (2023)
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