If the alternate static port does not fix the problem, then smashing the
gauges will not help, either.


Besides which the gauge you would smash is the one you're tring to fix.


1. The plane does not have a alternate static port.

2. I thought smash only VSI will help all the static based instrument
such as ALT, ASI because the static system are all connected. Once
the air bleed through the VSI, it will propergate to the other
instruments through the static connection. I think I am right on
this.

-cpu