AA.III.G.S12FAA-S-ACS-11A · Nov 2023Skills

Climb at the recommended airspeed or in its absence at best angle-of-climb speed (VX), ...

ACS element text (the applicant demonstrates understanding of)

Climb at the recommended airspeed or in its absence at best angle-of-climb speed (VX), +5/-0 knots until the obstacle is cleared, or until the airplane is 50 feet above the surface. In multiengine airplanes with VX values within 5 knots of minimum control speed (VMC), the use of best rate of climb speed (VY) or the manufacturer's recommendation is acceptable.

Bottom line

The applicant exhibits the skill to: Climb at the recommended airspeed or in its absence at best angle-of-climb speed (VX), +5/-0 knots until the obstacle is cleared, or until the airplane is 50 feet above the surface. In multiengine airplanes with VX values within 5 knots of minimum control speed (VMC), the use of best rate of climb speed (VY) or the manufacturer's recommendation is acceptable.

FAA references

  1. SEA ch. 4 (p. 4-12) — FAA-H-8083-23
  2. SEA ch. 6 (p. 6-8) — FAA-H-8083-23
  3. PHAK ch. 5 (p. 5-42) — FAA-H-8083-25C (2023)
  4. AIM 7-6-7 (Mountain Flying) — AIM Basic 2/20/25 w/ Change 1 (8/7/25) & Change 2 (1/22/26)
  5. AFH ch. 9 (p. 9-12) — FAA-H-8083-3C
  6. PHAK ch. 11 (p. 11-8) — FAA-H-8083-25C (2023)
Members lesson

Build understanding you can use

Unlock the full lesson and continue studying this element.

  • Full teaching sections: Standard; Meeting it; Deviations; Practice
  • Check your understanding with answers you can reveal
View membership options