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2. Aircraft systems - Wikipedia

   en.wikipedia.org/wiki/Aircraft_systems

   A hydraulic system is required for high speed flight and large aircraft to convert the crews' control system movements to surface movements. The hydraulic system is also used to extend and retract landing gear, operate flaps and slats, operate the wheel brakes and steering systems.

3. Power transfer unit - Wikipedia

   en.wikipedia.org/wiki/Power_transfer_unit

   In aviation, a power transfer unit (PTU) is a device that transfers hydraulic power from one of an aircraft's hydraulic systems to another in the event that the other system has failed or been turned off. The PTU is used when, for example, there is right hydraulic system pressure but no left hydraulic system pressure.

4. Electro-hydraulic actuator - Wikipedia

   en.wikipedia.org/wiki/Electro-hydraulic_actuator

   All these systems require three separate components, the hydraulic supply system, the valves and associated control network, and the actuators. Since any one of these systems could fail and render the aircraft inoperable, redundancies are needed that greatly increase the complexity of the system.

5. Hydraulic fluid - Wikipedia

   en.wikipedia.org/wiki/Hydraulic_fluid

   The hydraulic fluid is also used as a preservative fluid for aircraft hydraulic systems and components where MIL-H-5606 (OHA) or MIL-PRF-87257 is used as an operational fluid." [ 14 ] Synthetic hydrocarbon base: These synthetic fluids are compatible with mineral-base hydraulic fluids and were developed to address the low flash point draw back ...

6. Podded engine - Wikipedia

   en.wikipedia.org/wiki/Podded_engine

   hydraulic hoses, hydraulic fluid from the aircraft hydraulic system has to be supplied to engine-mounted pumps and then returned under high pressure to the aircraft. High pressure fluid is returned to the nacelle for actuating a thrust reverser. fuel tube, fuel has to get from the aircraft tanks to the engine fuel pump.

7. Engine-indicating and crew-alerting system - Wikipedia

   en.wikipedia.org/wiki/Engine-indicating_and_crew...

   Other aircraft systems typically monitored by EICAS are for example hydraulic, pneumatic, electrical, deicing, environmental and control surface systems. EICAS has high connectivity & provides data acquisition and routing. [2] EICAS is a key function of a glass cockpit system, which replaces all analog gauges with software-driven electronic ...