IR.VI.E.R4FAA-S-ACS-8C · Nov 2023Risk management
Aircraft configuration for landing.
Aircraft configuration for landing.
Bottom line
A full-flap landing speed may not leave the airplane enough energy to complete a go-around and avoid obstacles on the climb out. Retracting flaps to correct for an undershoot on final creates an unnecessary risk: it may cause a sudden decrease in lift, an excessive sink rate, and an aggravated unstable condition. For a typical piston aircraft, one of the criteria of a stabilized approach is that the aircraft is in the correct landing configuration with flaps as required, landing gear extended, and in trim.
FAA references
- IFH ch. 4 (p. 4-9) — FAA-H-8083-15B
- IPH ch. 4 (p. 4-8) — FAA-H-8083-16B
- AFH ch. 9 (p. 9-6) — FAA-H-8083-3C
- IPH ch. 4 (p. 4-37) — FAA-H-8083-16B
- AFH ch. 15 (p. 15-13) — FAA-H-8083-3C
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