The following aircraft have been reported to have fitment issues by customers

It is the responsibility of the installer to determine suitability. Manufacturer Model Year Fitment Issue(s) Air Tractor 402A 2002 Rudder mounting hole inside diameter is smaller than required American Champion 7GCBC 2002 Rudder mounting hole inside diameter is smaller than required American Champion Citabria 7ECA 1975 Rudder mounting hole inside diameter is smaller than required [...]