AI.XIII.C.K4FAA-S-ACS-25 · Nov 2023Knowledge
Effects on performance of airspeed changes at, above, and below VYSE.
Effects on performance of airspeed changes at, above, and below VYSE.
Bottom line
VYSE is the best rate-of-climb speed with one engine inoperative, providing the most altitude gain in a given period of time in a light twin-engine airplane following an engine failure. VYSE is marked on the airspeed indicator with a blue line and is commonly referred to as "Blue Line."
FAA references
- PHAK Glossary (p. G-34) — FAA-H-8083-25C (2023)
- PHAK ch. 8 (p. 8-10) — FAA-H-8083-25C (2023)
- AFH ch. 5, Slow Flight (p. 5-10) — FAA-H-8083-3C
- PHAK ch. 11 (p. 11-8) — 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
- Check your understanding with answers you can reveal
- Common mistakes paired with the FAA facts that correct them