- (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 synchronization of all propellers.
- (d) The propeller speed and pitch controls must be to the right of, and at least one inch below, the pilot's throttle controls.