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IR.VI.E.R2FAA-S-ACS-8C · Nov 2023Risk management

Flying below the glidepath.

ACS element text (the applicant demonstrates understanding of)

Flying below the glidepath.

Bottom line

When below the glidepath, as indicated by a distinct all-red signal, a safe obstruction clearance might not exist. From a position below the glidepath, both light bars are seen as red.

FAA references

  1. IFH ch. 9 (p. 9-38) — FAA-H-8083-15B
  2. IFH ch. 9 (p. 9-40) — FAA-H-8083-15B
  3. PHAK ch. 14 (p. 14-17) — FAA-H-8083-25C (2023)
  4. IPH ch. 4 (p. 4-37) — FAA-H-8083-16B
  5. AFH ch. 9 (p. 9-6) — FAA-H-8083-3C
  6. AFH ch. 16 (pp. 16-21–16-22) — FAA-H-8083-3C
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