FlyCurrentFLYCURRENT
CA.V.C.K2bFAA-S-ACS-7B · Nov 2023Knowledge

b. Overbanking tendencies

ACS element text (the applicant demonstrates understanding of)

Aerodynamics associated with chandelles, including: b. Overbanking tendencies

Bottom line

Spiral instability exists when the static directional stability of the aircraft is very strong as compared to the effect of its dihedral in maintaining lateral equilibrium. Usually the rate of divergence in the spiral motion is so gradual the pilot can control the tendency without any difficulty.

FAA references

  1. AFH ch. 17 (p. 17-13) — FAA-H-8083-3C
  2. PHAK ch. 5 (p. 5-20) — FAA-H-8083-25C (2023)
  3. AFH ch. 18 (p. 18-19) — FAA-H-8083-3C
Members lesson

Build understanding you can use

Unlock the full lesson and continue studying this element.

  • Full teaching sections: What it is; Key points
  • Check your understanding with answers you can reveal
  • Common mistakes paired with the FAA facts that correct them
View membership options