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ICAO Wake Turbulence Category Edit

The ICAO wake turbulence category (WTC) is entered in the appropriate single character wake turbulence category indicator in Item 9 of the ICAO model flight plan form and is based on the maximum certificated take-off mass, as follows:

  • H (Heavy) aircraft types of 136 000 kg (300 000 lb) or more;
  • M (Medium) aircraft types less than 136 000 kg (300 000 lb) and more than 7 000 kg (15 500 lb); and
  • L (Light) aircraft types of 7 000 kg (15 500 lb) or less.

Read more here and here.

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