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AA.V.B.R2FAA-S-ACS-11A · Nov 2023Risk management

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

ACS element text (the applicant demonstrates understanding of)

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

Bottom line

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. In response to a stall warning, the proper action is for the pilot to apply a nose-down input until the stall warning stops (pitch trim may be necessary).

FAA references

  1. AFH ch. 5, Stalls; Stall Recognition (pp. 5-12–5-13) — FAA-H-8083-3C
  2. AC 120-109, para. 3-2 — AC No: 120-109A
  3. AFH ch. 16 (p. 16-8) — FAA-H-8083-3C
  4. AFH ch. 13 (p. 13-18) — FAA-H-8083-3C
  5. AC 120-109, para. 1-7o — AC No: 120-109A
  6. PHAK ch. 5 (pp. 5-48–5-49) — FAA-H-8083-25C (2023)
  7. AFH ch. 5, Slow Flight (p. 5-9) — FAA-H-8083-3C
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