AI.X.B.K4FAA-S-ACS-25 · Nov 2023Knowledge
The relationships between lift, drag, angle of attack, airspeed, load factor, power req...
The relationships between lift, drag, angle of attack, airspeed, load factor, power required, weight, center of gravity, attitude, yaw effects, controllability, and stalls and spins.
Bottom line
Increased load factor directly affects stall speed (as well as do other factors such as gross weight, center of gravity, and flap setting).
Key numbers
| Number | What it means |
|---|---|
| 2G in a coordinated, level 60° banked turn | 60° bank load |
| 41% above 1G stall speed in a coordinated, level 60° banked turn | 60° bank stall |
| about 2.5 Gs in a proper spin recovery | Spin recovery G |
| within 2 knots of the unaccelerated stalling speeds | Spin airspeed |
FAA references
- AFH ch. 5, Angle of Attack; Coordinated Flight (pp. 5-8–5-9) — FAA-H-8083-3C
- PHAK ch. 5 (p. 5-36) — FAA-H-8083-25C (2023)
- PHAK ch. 5 (p. 5-33) — FAA-H-8083-25C (2023)
- PHAK ch. 5 (p. 5-3) — FAA-H-8083-25C (2023)
- AFH ch. 13 (p. 13-26) — FAA-H-8083-3C
- RMH Glossary — FAA-H-8083-2A
- AIH ch. 9 (p. 9-9) — FAA-H-8083-9B
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