Lighter galleys, that privilege manovrability and speed, like Imperial Roman biremes, liburnae or dromons. The point value of a fleet is given by the CF's total. The fleet's Admiral adds 1 CF to his ship. Every bound is made of 2 alternative bounds. The player in bound moves his ships.
Ships can change direction wheeling max.
Fast Boats can interpenetrate every ship looking in the same or opposite direction. In other cases, ships automatically stop when in contact with other ships or terrain elements. Ships in contact with Coast, Islands or Sand Banks get stuck. They can't move or shot, but they still fight if boarded. Ships in contact with Rocks are automatically destroyed.