Low Complexity

A Low Complexity En-Route Operating Environment is an En-Route airspace in which, or a part of which, area control service is provided by an ATC operational Unit with an Aggregated Traffic Complexity Score less than 2 or, if score is not available, with a number of serviced IFR flights less than 20000 per year.

Important Note: OEs and Sub-OEs related definitions will be updated in the next data set.