§25.1149 Propeller speed and pitch controls

(a) There must be a separate propeller speed and pitch control for each propeller. (b) The controls must be grouped and arranged to allow – (1) Separate control of each propeller; and (2) Simultaneous control of all propellers. (c) The controls must allow synchronisation of all propellers. (d) The propeller speed and pitch controls must be to the right of, and at least 25 mm (one inch) below, the pilot’s throttle controls.