Vmc
What is vmc?
VMC is the slowest speed at which a twin-engine airplane can still be controlled if one engine suddenly fails and the other is producing full takeoff power. Flying slower than VMC after an engine failure means you could lose control of the airplane.
Studying for an FAA written test?
Terms like vmc show up on the FAA knowledge test. Study them in context with ACS-aligned practice questions, AI explanations, and the cited FAA handbook reference behind every answer — free to start.