propeller, mille sammu muutmist juhib regulaator või mõni muu automaatne seade, mis võib olla propelleri osaks või eraldi paigaldatud, ning mida lennumeeskond saab kabiinist juhtida või mitte, a propeller, the pitch setting of which varies automatically to maintain a preselected constant rotational speed, a governing Propeller, the Pitch Setting of which is controlled by a governor or other automatic means which may be either integral with the Propeller or a separately mounted equipment and which may or may not be controlled by the flight crew