Originally Posted by
fitliker
The old Cessna airspeed indicators used to have a yellow arc . Top of the arc if you were heavy , bottom of the arc if you were light made Va simple...i do not understand why they stopped painting the yellow arc on the airspeed indicators . How expensive is yellow paint ?
'They' have not stopped. The top of the yellow arc is Vne (aka upper redline speed). The bottom of the yellow arc is Vno. Va is different to bottom of the yellow arc. The coloured arcs have been standardised and required by the regulations since 1945.