Aviation English
Flight Planning

What is Balanced field length?

Balanced field length Runway length at which accelerate-go and accelerate-stop distances are equal under specified conditions.

Source: ICAO Doc 9432, FAA PCG

How is “Balanced field length” Used in Practice?

Performance data shows BFL 2900 m; verify runway availability.

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

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Frequently Asked Questions

What is Balanced field length?

Runway length at which accelerate-go and accelerate-stop distances are equal under specified conditions.

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