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AI.X.D.R1FAA-S-ACS-25 · Nov 2023Risk management

Factors and situations that could lead to an inadvertent power-on stall, spin, and loss...

ACS element text (the applicant demonstrates understanding of)

Factors and situations that could lead to an inadvertent power-on stall, spin, and loss of control.

Bottom line

Most stall/spin accidents result when a pilot is distracted momentarily from the primary task of flying the aircraft. It is possible to exceed the critical AOA at any airspeed, at any attitude, and at any power setting. The most important stall recovery step is the same in all airplanes: reduce the angle of attack (AOA).

FAA references

  1. AC 61-67, paras. 4a, 4b — AC No: 61-67C
  2. AFH ch. 5, Angle of Attack (p. 5-9) — FAA-H-8083-3C
  3. AIH ch. 9 (pp. 9-9–9-10) — FAA-H-8083-9B
  4. AFH ch. 5, Stalls; Stall Recognition (pp. 5-12–5-13) — FAA-H-8083-3C
  5. AFH ch. 13 (pp. 13-19–13-20) — FAA-H-8083-3C
  6. AFH ch. 3 (p. 3-24) — FAA-H-8083-3C
  7. AFH ch. 17 (p. 17-13) — FAA-H-8083-3C
  8. PHAK ch. 5 (p. 5-36) — FAA-H-8083-25C (2023)
  9. AIH ch. 10 (p. 10-6) — FAA-H-8083-9B
  10. PHAK ch. 5 (p. 5-26) — FAA-H-8083-25C (2023)
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