ATPL: On large aeroplanes equipped with power brakes, the main source of power is derived from:
Domanda 298, Aircraft General Knowledge - Airframe, Systems, Powerplant - ATPL - Airline Transport Pilot license
| The Master Cylinders. |
| Pressure to the rudder pedals. |
| The aeroplane's hydraulic system. |
| The Brake Actuators. |
