At 17:36 22 September 2015, Dan Daly wrote:


Colour vision is about the first to go when "maybe not enough O2" is a
prob=
lem; depending on it may not be the best plan. The SSA sheet with the
pictu=
re of a glider with gear up and down, to me is most obvious (though I
have
=
a decal with "UP" and "DOWN" as a secondary reminder.


Green arrow pointing UP and Red arrow pointing DOWN
Colour and shape.