Certified Flight Instructor (CFI) Practice Exam

What does V2min signify?

1. Stalling speed under normal flight

2. Minimum takeoff safety speed

3. Maximum structural cruising speed

4. Speed for best rate of climb

The correct answer is: Minimum takeoff safety speed

V2min, or minimum takeoff safety speed, is a critical airspeed during the takeoff phase of flight, particularly relevant during multi-engine aircraft operations. This speed is the minimum speed at which an aircraft can safely continue the takeoff after an engine failure occurs. It ensures that the aircraft has sufficient performance to climb away from the runway in the event of losing an engine, thereby enhancing safety. The concept behind V2min is integral to ensuring a proper margin of safety and handling characteristics are maintained under adverse conditions. By adhering to this speed, pilots can prevent stalling and maintain controllability, which is crucial during the initial ascent phase immediately after takeoff. Understanding V2min is vital for pilot decision-making in emergency situations, further underlining its significance in the context of flight safety. In contrast, other speeds mentioned do not pertain directly to the critical safety parameters established for managing aircraft performance during takeoff and engine failure scenarios.