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AA.III.I.K4FAA-S-ACS-11A · Nov 2023Knowledge

Accelerate/stop distance.

ACS element text (the applicant demonstrates understanding of)

Accelerate/stop distance.

Bottom line

Accelerate-stop distance is the runway length required to accelerate to a specified speed (either VR or VLOF, as specified by the manufacturer), experience an engine failure, and bring the airplane to a complete stop. The regulations do not specifically require that the runway length be equal to or greater than the accelerate-stop distance.

FAA references

  1. AFH ch. 13 (pp. 13-10–13-12) — FAA-H-8083-3C
  2. PHAK Glossary (p. G-1) — FAA-H-8083-25C (2023)
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