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.