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PA.VIII.E.R3FAA-S-ACS-6C · Nov 2023Risk management

Collision hazards.

ACS element text (the applicant demonstrates understanding of)

Collision hazards.

Bottom line

A collision hazard is a condition, event, or circumstance that could induce an occurrence of a collision or surface accident or incident. The vast majority of midair collision accidents occurred at or near nontowered airports and at altitudes below 1,000 feet. Effective scanning uses a series of short, regularly spaced eye movements, each not exceeding 10° and observed for at least 1 second to enable detection.

FAA references

  1. IPH Glossary (p. G-3) — FAA-H-8083-16B
  2. AIH ch. 9 (p. 9-11) — FAA-H-8083-9B
  3. IPH ch. 3 (p. 3-2) — FAA-H-8083-16B
  4. PHAK ch. 14 (p. 14-28) — FAA-H-8083-25C (2023)
  5. IFH ch. 7 (p. 7-27) — FAA-H-8083-15B
  6. PHAK ch. 14 (p. 14-31) — FAA-H-8083-25C (2023)
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