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AI.X.D.R5FAA-S-ACS-25 · Nov 2023Risk management

Secondary stalls, accelerated stalls, elevator trim stalls, and cross-control stalls.

ACS element text (the applicant demonstrates understanding of)

Secondary stalls, accelerated stalls, elevator trim stalls, and cross-control stalls.

Bottom line

Abrupt pull ups at high diving speeds may produce recurrent or secondary stalls by increasing the AOA to that of stalling. On a go-around with trim set for low airspeed, allowing the nose to rise too early could result in an unrecoverable stall at low altitude. The most important stall recovery step is to reduce the angle of attack (AOA).

FAA references

  1. PHAK ch. 5 (p. 5-36) — FAA-H-8083-25C (2023)
  2. AFH ch. 5, Angle of Attack (p. 5-9) — FAA-H-8083-3C
  3. AFH ch. 16 (pp. 16-8–16-9) — FAA-H-8083-3C
  4. AFH ch. 5, Stall Recognition (p. 5-13) — FAA-H-8083-3C
  5. PHAK ch. 5 (p. 5-27) — FAA-H-8083-25C (2023)
  6. AFH ch. 9 (p. 9-11) — FAA-H-8083-3C
  7. AFH ch. 13 (pp. 13-18–13-20) — FAA-H-8083-3C
  8. AIH ch. 9 (p. 9-10) — FAA-H-8083-9B
  9. RMH Glossary — FAA-H-8083-2A
  10. AIH ch. 9 (p. 9-9) — FAA-H-8083-9B
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