Aviation English
Flight Planning

What is en‑route alternate fuel?

en‑route alternate fuel Fuel required to fly from the destination to an alternate aerodrome en‑route under planned conditions.

Source: ICAO Doc 9432, FAA PCG

How is “en‑route alternate fuel” Used in Practice?

Dispatcher: Include en‑route alternate fuel sufficient to reach the alternate airport under planned en‑route conditions.

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 en‑route alternate fuel?

Fuel required to fly from the destination to an alternate aerodrome en‑route under planned conditions.

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