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What is Oil Temperature Margin?

Oil Temperature Margin The difference between actual engine oil temperature and the maximum safe operating limit, ensuring safe operation and indicating potential issues if margin decreases.

Source: ICAO Doc 9432, FAA PCG

How is “Oil Temperature Margin” Used in Practice?

Report if oil temperature margin decreases significantly during climb or cruise.

Certification Exam Relevance

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

Who Needs to Know This Term?

  • Pilots
  • Air Traffic Controllers
  • Cabin Crew

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Frequently Asked Questions

What is Oil Temperature Margin?

The difference between actual engine oil temperature and the maximum safe operating limit, ensuring safe operation and indicating potential issues if margin decreases.

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