Which hydraulic system features an electric motor driven pump that is typically used for ground operations?

Prepare for the A320 General Familiarization Test with our targeted quiz. Study detailed questions with explanations to excel in your aviation career.

The hydraulic system that features an electric motor-driven pump, typically utilized for ground operations, is the Yellow System. This system is specifically designed to ensure that essential hydraulic power is available when the aircraft is on the ground and not running its engines. The electric motor-driven pump can provide hydraulic pressure for systems that require it, aiding in operations such as leading-edge slats and spoilers, among others.

The significance of this system comes from its ability to function independently while the aircraft is on the ground, ensuring that critical systems can be operated without relying solely on engine-driven hydraulic pumps. This enhances operational efficiency and safety by allowing ground personnel to perform necessary checks and preparations without having to start the engines.

In contrast, other systems may utilize different methods of hydraulic pressure generation, such as engine-driven pumps only during flight operations, which may not be as effective for ground activities. The Yellow System’s unique design and functionality make it an essential component for ground operations.

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