A. System Function
The propellers supply forward and reverse thrust and control the engine speed in the flight mode.
B. Sub-systems (Ref. Fig. 1)
The sub-systems of each propeller are the:
- Propeller assembly sub-system (Ref. 61-10-00)
- Controlling sub-system (Ref. 61-20-00)
- Indicating sub-system (Ref. 61-40-00)