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CA.VII.D.R1FAA-S-ACS-7B · Nov 2023Risk management

Factors and situations that could lead to an inadvertent accelerated stall, spin, and l...

ACS element text (the applicant demonstrates understanding of)

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

Bottom line

Many loss of control in-flight (LOC-I) accidents are the result of stalls, spins, or accelerated maneuvers. Abrupt pull ups at high diving speeds may produce recurrent or secondary stalls by increasing the AOA to that of stalling. Once a stall warning occurs in an accelerated approach to stall, recover promptly by reducing the AOA until the stall warning stops, then roll the wings level with coordinated rudder and add power as necessary.

FAA references

  1. AC 61-67, paras. 4a, 4b — AC No: 61-67C
  2. AIH ch. 9 (p. 9-9) — FAA-H-8083-9B
  3. AIH ch. 9 (pp. 9-9–9-10) — FAA-H-8083-9B
  4. AFH ch. 5, Slow Flight; Angle of Attack (p. 5-9) — FAA-H-8083-3C
  5. AFH ch. 3 (p. 3-24) — FAA-H-8083-3C
  6. AFH ch. 13 (pp. 13-19–13-20) — FAA-H-8083-3C
  7. PHAK ch. 5 (p. 5-36) — FAA-H-8083-25C (2023)
  8. RMH Glossary — FAA-H-8083-2A
  9. AFH ch. 17 (p. 17-13) — FAA-H-8083-3C
  10. PHAK ch. 17 (p. 17-7) — FAA-H-8083-25C (2023)
  11. AFH ch. 13 (p. 13-23) — FAA-H-8083-3C
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