Aviation English
Aircraft Systems

What is yellow hydraulic system?

yellow hydraulic system One of three independent hydraulic systems on Airbus aircraft, supplying power to specific flight controls, brakes, and cargo doors.

Source: ICAO Doc 9432, FAA PCG

How is “yellow hydraulic system” Used in Practice?

Yellow hydraulic system pressure low, requesting check of alternate systems and maintenance on arrival.

Certification Exam Relevance

ICAO Level 4ICAO Level 5ICAO Level 6EASA FCL.055

Who Needs to Know This Term?

  • Pilots
  • Air Traffic Controllers
  • Cabin Crew

Related Aviation English Terms

blue hydraulic systemgreen hydraulic systemflight-control hydraulic circuithydraulic pump

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Frequently Asked Questions

What is yellow hydraulic system?

One of three independent hydraulic systems on Airbus aircraft, supplying power to specific flight controls, brakes, and cargo doors.

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