Title: Explain hydraulic systems.
Course: Aircraft Pilot Training I (20053-I) > Section: Understanding Aircraft Systems: Oil and Hydraulic Systems

Explanation should include the following components of a basic hydraulic system:

- Reservoir
- Pump (hand, electric, or engine-driven)
- Filter to keep the fluid clean
- Selector valve to control the direction of flow
- Relief valve to relieve excess pressure
- Actuator

PLT273

Process/Skill Questions:

- What is the actuator?