V-speeds in miles per hour:
V
SO (Stall speed in landing configuration): around 46 mph.
V
S1 (Stall speed in clean configuration): about 55 mph.
V
Ref (Landing reference speed or threshold crossing speed.): about 60 mph.
V
X (Best angle of climb speed): roughly 65 mph.
V
Y (Best rate of climb speed): around 80 mph.
V
A (Maneuvering speed): varies with weight, around 96-122 mph.
V
NO (Maximum structural cruising speed): about 148 mph.
V
NE (Never exceed speed): 174 mph.