CA.VII.D.K2FAA-S-ACS-7B · Nov 2023Knowledge

Stall characteristics as they relate to airplane design, and recognition impending stal...

ACS element text (the applicant demonstrates understanding of)

Stall characteristics as they relate to airplane design, and recognition impending stall and full stall indications using sight, sound, or feel.

Bottom line

An impending stall occurs when the angle of attack causes a stall warning but has not yet reached the critical angle of attack. A full stall occurs when the critical angle of attack is exceeded. Indications of an impending stall can include buffeting, stick shaker, or aural warning.

Key numbers

Key numbers for Stall characteristics as they relate to airplane design, and recognition impending stal...
NumberWhat it means
Recovery no lower than 3,000 feet AGL for multiengine airplanes, or higher if recommended by the AFM/POHStall practice
Completed no lower than 3,000 feet AGL in a multiengine airplane, or higher if recommended by the manufacturerSlow flight

FAA references

  1. AFH ch. 5, Stalls; Stall Recognition (pp. 5-12–5-13) — FAA-H-8083-3C
  2. AFH ch. 13 (pp. 13-18–13-19) — FAA-H-8083-3C
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