AI.X.I.K1FAA-S-ACS-25 · Nov 2023Knowledge

Purpose of and procedures for spin awareness and spins.

ACS element text (the applicant demonstrates understanding of)

Purpose of and procedures for spin awareness and spins.

Bottom line

At the stall, the presence or introduction of a yawing moment can initiate spin entry. Pilots should be aware that a spin recovery will take considerable altitude; therefore, it is critical that corrective action be taken immediately.

Key numbers

Key numbers for Purpose of and procedures for spin awareness and spins.
NumberWhat it means
Recovery no lower than 3,000 feet AGL for multiengine airplanes, or higher if recommended by the AFM/POHStall practice
Complete no lower than 3,000 feet AGL in a multiengine airplane, or higher if recommended by the manufacturerSlow flight
Sixty percent of stall/spin accidents occurred during takeoff and landingTakeoff/landing
More than 25 percent of general aviation fatal accidents occur during the maneuvering phase of flightManeuvering

FAA references

  1. AFH ch. 13 (pp. 13-18–13-19) — FAA-H-8083-3C
  2. AIH ch. 9 (p. 9-9) — FAA-H-8083-9B
  3. PHAK ch. 5 (p. 5-26) — FAA-H-8083-25C (2023)
  4. AIH ch. 8 (p. 8-6) — FAA-H-8083-9B
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