"Gord Beaman" wrote in message
...
mah wrote:

Just as an example, when the aircraft is sitting still on the
ground -
airspeed = 0. Since the pitot and static ports are in the same
state,
doesn't that imply that static pressure is present at the pitot port?

MAH

Sure it's there, but it's there only until the a/c starts to
move. It's then no longer 'static pressure' because it's been
raised by the ram effect of the movement.

That's why you now need a 'static port' to supply the static
pressure to use as a reference. Is it really that difficult to
see?!?

Apparently.

The CO