AI.II.M.S1FAA-S-ACS-25 · Nov 2023Skills

The applicant demonstrates how to: Teach at least one of the elements listed in K1 thro...

ACS element text (the applicant demonstrates understanding of)

The applicant demonstrates how to: Teach at least one of the elements listed in K1 through K9.

Bottom line

Since any degree of dark adaptation is lost within a few seconds of viewing a bright light, a pilot should close one eye when using a light to preserve some degree of night vision. To prevent this illusion, focus the eyes on objects at varying distances and avoid fixating on one source of light.

FAA references

  1. PHAK ch. 17 (pp. 17-9–17-10) — FAA-H-8083-25C (2023)
  2. AIH ch. 9 (p. 9-11) — FAA-H-8083-9B
  3. PHAK Glossary — FAA-H-8083-25C (2023)
  4. AIM 8-1-6 (Vision in Flight) — AIM Basic 2/20/25 w/ Change 1 (8/7/25) & Change 2 (1/22/26)
  5. PHAK ch. 17 (p. 17-26) — FAA-H-8083-25C (2023)
  6. PHAK ch. 17 (p. 17-27) — FAA-H-8083-25C (2023)
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