A rudder and dynamic trim adjusting apparatus for a boat includes a
rudder, a rudder shaft extending from the rudder and being rotatable
about a longitudinal axis thereof to rotate the rudder, trim fins
extending from the rudder, along at least one transverse axis transverse
to the longitudinal axis, and a mechanism connected to the trim fins, and
being operable, independently of rotation of the rudder shaft to rotate
the trim fins about the at least one transverse axis. Methods of
controlling an attitude of a boat hull are provided.