Aviation V-Speeds!
V n o
128 kts Max structural cruising speed. Do not exceed this speed except in smooth air.
V n e
163 kts Never exceed speed. Do not exceed this speed under any circumstances period!
V s o
40 kts Stall speed or minimum steady flight speed in landing configuration,
V s i
48 kts Stall speed or minimum steady flight speed in the clean configuration.
V r
55 kts Rotation speed. The speed at which the nose wheel is lifted from the runway during takeoff.
V Best Glide
59 kts In a glide it provides the maximum distance traveled forward with the minimum altitude lost.
V x
62 kts Best angle speed in a climb. It provides the max gain in altitude for the distance traveling forward.
V y
75 kts Best rate speed. In a climb it provides the max gain in altitude per unit of time traveled.
V f e
85 kts Full flaps extended speed, Max speed at which flaps may be fully extended.
V a
90 kts Design maneuvering speed. Maximum speed at which full, aburt deflection of the controls can be made without causing structural damage.