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CA.VII.B.R2FAA-S-ACS-7B · Nov 2023Risk management

Range and limitations of stall warning indicators (e.g., aircraft buffet, stall horn, e...

ACS element text (the applicant demonstrates understanding of)

Range and limitations of stall warning indicators (e.g., aircraft buffet, stall horn, etc.).

Bottom line

Most vintage airplanes, and many types of light-sport and experimental airplanes, do not have stall warning devices installed. The stall situation can be aggravated by a T-tail configuration, which affords little or no pre-stall warning in the form of tail control surface buffet.

FAA references

  1. AC 61-67, para. 4a — AC No: 61-67C
  2. AFH ch. 5, Stalls; Stall Recognition (pp. 5-12–5-13) — FAA-H-8083-3C
  3. PHAK ch. 5 (pp. 5-48–5-49) — FAA-H-8083-25C (2023)
  4. AFH ch. 5, Slow Flight; Angle of Attack (p. 5-9) — FAA-H-8083-3C
  5. AFH ch. 13 (pp. 13-19–13-20) — FAA-H-8083-3C
  6. AFH ch. 13 (p. 13-19) — FAA-H-8083-3C
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