V Speeds

V SO

Bottom of White Arc, Stall speed in landing configuration (Stuff Out)

V S1

Bottom of Green Arc, Stall speed in Specified configuration, No Flaps (Stuff In)

V A

Maneuvering Speed, Not indicated on ASI

V x

Angle of Climb, Greatest gain of Altitude in shortest distance

V y

Best rate of climb, Greatest Altitude gain in shortest amount of time

V FE

Top of White Arc, Maximum flaps extended speed

V NO

Top of Green / Bottom Yellow Arc, Max Structural cruising speed, (Max Normal Operating Limit)

V NE

Red Line, Never Exceed

White Arc

Flap Operating Range

Green Arc

Normal Operating Range

Yellow Arc

Caution Range, Only to be used in Smooth Air, Still risks structural damage

V LO

Landing gear Operating speed, Max Speed for extendable Landing gear to be raised or lowered

V LE

Landed Gear Extended speed, Maximum speed while landing gear is extended, Usually the same as V LO

V MC

Minimum Controllable Speed in a twin engine with one Inoperative engine (Not indicated on ASI)