"mah" wrote in message
...
Rich Ahrens wrote:


Yes, those static ports are pretty unreliable! :-)

All those moving parts...

Yep, I've got a can of static port grease on the shelf next to my
bottle
of horn fluid and the box of muffler bearings.

Well the only tiny grain of truth in that statement is that a static
port can be occluded by a
foreign object. On the ground this can be something like an insect
setting up housekeeping
in it, in flight ice is probably the biggest risk factor. Since loss of
the static port will bugger up
3 basic flight instruments (altimeter, ASI and VSI) this is non-trivial.

The CO