AI.X.B.K7aFAA-S-ACS-25 · Nov 2023Knowledge

a. Design/operating maneuvering speed

ACS element text (the applicant demonstrates understanding of)

Airspeeds specific to the airplane for various operations, how to identify them on the airspeed indicator (if applicable), and their significance in airplane performance, including: a. Design/operating maneuvering speed

Bottom line

Operating at or below design maneuvering speed does not provide structural protection against multiple full control inputs in one axis or full control inputs in more than one axis at the same time.

Key numbers

Key numbers for a. Design/operating maneuvering speed
NumberWhat it means
approximately 1.7 × normal stalling speed (older general aviation airplanes)Older GA VA
approximately 45° bankAccelerated stall bank

FAA references

  1. PHAK ch. 5 (p. 5-35) — FAA-H-8083-25C (2023)
  2. AFH ch. 5, Accelerated Stalls (p. 5-19) — FAA-H-8083-3C
  3. PHAK ch. 11 (p. 11-19) — FAA-H-8083-25C (2023)
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