What do the BAT 1/2 switches control?

The BAT 1/2 switches are crucial components in the electrical system of the Dassault Falcon 7X, specifically designed to manage battery power. When activated, these switches allow the pilot to control the on/off status of the battery power supplied to the respective essential (ESS) buses. This functionality is vital for maintaining electrical power to critical systems and ensuring that the aircraft operates effectively even in the event of engine failure or other power loss scenarios.

The ability to independently manage the power to the essential buses is part of the aircraft's redundancy design, enabling it to maintain essential functions and systems during critical phases of flight. This includes avionic systems, lighting, and emergency systems that rely on battery power, enhancing the overall safety and reliability of the aircraft.

In contrast, other options relate to systems that the BAT switches do not directly control. Fuel flow management is handled by the fuel system, while cabin climate control operates through its dedicated environmental control systems. The hydraulic system is also independently operated and has its own controls, separate from the battery management. Hence, understanding the function of the BAT 1/2 switches specifically reinforces their importance in the electrical architecture of the Falcon 7X.