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AI.X.B.R9FAA-S-ACS-25 · Nov 2023Risk management

Maneuvering at critically slow airspeeds.

ACS element text (the applicant demonstrates understanding of)

Maneuvering at critically slow airspeeds.

Bottom line

In propeller-driven airplanes, torque, slipstream effect, and P-factor may produce a strong left yaw, which requires right rudder input to maintain coordinated flight. In all cases, practicing slow flight should be conducted at an adequate height above the ground for recovery should the airplane inadvertently stall.

FAA references

  1. AFH ch. 5, Performing the Slow Flight Maneuver; Maneuvering in Slow Flight (pp. 5-10–5-11) — FAA-H-8083-3C
  2. PHAK ch. 11 (p. 11-11) — FAA-H-8083-25C (2023)
  3. AFH ch. 13 (p. 13-18) — FAA-H-8083-3C
  4. AFH ch. 5, Performing the Slow Flight Maneuver (p. 5-11) — FAA-H-8083-3C
  5. AFH ch. 3 (p. 3-23) — FAA-H-8083-3C
  6. AFH ch. 17 (p. 17-13) — FAA-H-8083-3C
  7. PHAK ch. 5 (p. 5-36) — FAA-H-8083-25C (2023)
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