hi
my name is reza
im student pilot
now
i styding at ground school of ppl
my structor asked this qestuon but unfortunately i coudnt find the answer
his question is :
why in some airspeed indicator of some airplane the beginning of white arc and green arc is the same and in some other airplane is not the same (why some times the Vso & Vs1 is the same and in some other airplane is not the same )
in the ppm book there is these diffrence between definitions of these tow speeds :
1-Vso is for dirty configuration
but
Vs1 is for
specified configuration
2-the frst one is for max landing weigh
and the second one is for max take of weigh
i dont know
if you know my answer plzzzzzzzzzzzzz ...
thx a lottttttttttt