I sell a TSO'd compass that is similar to the PZL compass. The SIRS Navigator.
You can find it he
http://www.foxonecorp.com/index.php/...uments/compass
Also have the standard Airpath and a panel mount SIRS compass as well. The Navigator is nice as a glareshield mount because it is smaller than the Airpath.
Typical mount in a glider involves removing the mounting arm and top plate from the compass and then screwing the compass to the instrument panel glareshield at the bottom. There is a slide on slide off "foot" at the bottom of the compas. This reduces the height of the unit by about 1/2 inch.
Dave Springford
www.foxonecorp.com