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PA.IV.A.S13FAA-S-ACS-6C · Nov 2023Skills

Maintain VY +10/-5 knots to a safe maneuvering altitude.

ACS element text (the applicant demonstrates understanding of)

Maintain VY +10/-5 knots to a safe maneuvering altitude.

Bottom line

Best rate-of-climb speed (VY)—the airspeed that provides the most altitude gain in a given period of time. The pilot should resist any impulse to pitch-up for a climb if airspeed is insufficient.

FAA references

  1. PHAK ch. 8 (p. 8-10) — FAA-H-8083-25C (2023)
  2. AFH ch. 3 (p. 3-17) — FAA-H-8083-3C
  3. SEA ch. 4 (p. 4-12) — FAA-H-8083-23
  4. AFH ch. 9 (p. 9-11) — FAA-H-8083-3C
  5. AFH ch. 9 (p. 9-12) — FAA-H-8083-3C
  6. AIM 7-6-7 (Mountain Flying) — AIM Basic 2/20/25 w/ Change 1 (8/7/25) & Change 2 (1/22/26)
  7. RMH ch. 3 (p. 3-6) — FAA-H-8083-2A
  8. PHAK ch. 5 (p. 5-12) — FAA-H-8083-25C (2023)
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