Does anyone have familiarity with the Wagner STC SA3-372 for installation of the Lyc. O-235 and TCM O-200 ? I have heard that the STC does NOT require the installation of the large vertical fin. Is this so ? I also see that Bill Panake's recent STCs are also contain this small fin provision. I do not have the details of Bill's STCs, but would like to know if his STCs include an O-200.

Also has anybody ever heard of anyone installing a Citabria vertical tail and rudder onto a 7AC ?