CA.IV.C.K4FAA-S-ACS-7B · Nov 2023Knowledge
Ground effect.
Ground effect.
Bottom line
Due to the reduced drag in ground effect, the aircraft may seem capable of takeoff well below the recommended speed.
Key numbers
| Number | What it means |
|---|---|
| 1 to 2 feet off the surface in ground effect during a soft-field landing | Float height |
FAA references
- PHAK ch. 5 (pp. 5-12–5-13) — FAA-H-8083-25C (2023)
- AFH ch. 9 (pp. 9-23–9-24) — FAA-H-8083-3C
- PHAK ch. 11 (p. 11-12) — FAA-H-8083-25C (2023)
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