AI.XIII.C.K5cFAA-S-ACS-25 · Nov 2023Knowledge
c. Landing gear and wing flaps extended
Effects on performance of various configurations including: c. Landing gear and wing flaps extended
Bottom line
VFE is the highest speed permissible with the wing flaps in a prescribed extended position, because of the air loads imposed on the flap structure. VLO is the maximum speed at which the landing gear can be safely extended or retracted, limited by air loads on the operating mechanism.
FAA references
- PHAK ch. 11 (p. 11-19) — FAA-H-8083-25C (2023)
- AFH ch. 5, Maneuvering in Slow Flight; Performing the Slow Flight Maneuver (p. 5-11) — FAA-H-8083-3C
- AFH ch. 12, Operational Procedures (pp. 12-4–12-5) — FAA-H-8083-3C
- PHAK Glossary (p. G-34) — FAA-H-8083-25C (2023)
Build understanding you can use
Unlock the full lesson and continue studying this element.
- Full teaching sections: What it is; Key points; Rules and numbers; How it is done
- Check your understanding with answers you can reveal
- Common mistakes paired with the FAA facts that correct them