Hello folks,

Thanks much to all that have responded to my inquiry.  

Ok, so a blocked static port would yield a lower airspeed reading, so that is probably not it.  

As most have mentioned on this forum, the location of the static port could be the problem and maybe off a bit, maybe by a lot?  I will check the construction manuals to determine the suggested location of the static port and compare that with ours.  As Paul and others suggested, we may have to move the static port aft from its current position.

I posted the same inquiry on the ES yahoo group and so far nobody seems to have the same problem.  The ES folks have posted similar analysis as to what could be wrong (i.e. static port location).

BTW, we only have one static port on the ES and no alternate static port.

As I mentioned on an earlier post, we neglected to verify or compare our altitude readings during our formation flight.

Thanks again!
Rick Argente
N360ZR
N82500