Aviation English
Long Haul

What is Equal Time Chart?

Equal Time Chart A chart used in flight planning to determine the point at which the flight time to two alternate aerodromes is equal, commonly applied for ETOPS and long-range operations.

Source: ICAO Doc 9432, FAA PCG

How is “Equal Time Chart” Used in Practice?

According to the equal time chart, ETP is located over waypoint 45 North 030 West between Shannon and Gander.

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 Equal Time Chart?

A chart used in flight planning to determine the point at which the flight time to two alternate aerodromes is equal, commonly applied for ETOPS and long-range operations.

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