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What is Alternate Threshold Fuel?

Alternate Threshold Fuel The predetermined minimum fuel required at an alternate airport's landing threshold, ensuring safe diversion in case a landing at the intended destination is not possible.

Source: ICAO Doc 9432, FAA PCG

How is “Alternate Threshold Fuel” Used in Practice?

Advise if your alternate threshold fuel is below required minimum for diversion.

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 Alternate Threshold Fuel?

The predetermined minimum fuel required at an alternate airport's landing threshold, ensuring safe diversion in case a landing at the intended destination is not possible.

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