I-FORD
- VMCG : Minimum speed, on the ground during takeoff, at which the aircraft can be controlled by the use of primary flight controls only, after a sudden failure of the critical engine, the other engine remaining at takeoff power.
- VMCA : Minimum control speed in flight at which the aircraft can be controlled with a maximum bank of 5 degrees, if one engine fails, the other engine remaining at takeoff power (takeoff flap setting, gear retracted).
- VMCL : Minimum control speed in flight at which the aircraft can be controlled with a maximum bank of 5 degrees, if one engine fails, the other engine remaining at takeoff power (approach flap setting).
- VMCL-2 : Minimum control speed in flight at which the aircraft can be controlled with a maximum bank of 5 degrees, if two engines fail on the same side, the other engines remaining at takeoff power (approach flap setting).
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