Article 2 Definitions

‘airspace management cell (AMC)’ means a cell responsible for the day-to-day management of F1airspace;

‘airspace reservation’ means a defined volume of airspace temporarily reserved for exclusive or specific use by categories of users;

‘airspace restriction’ means a defined volume of airspace within which, variously, activities dangerous to the flight of aircraft may be conducted at specified times (a ‘danger area’); or such airspace situated above the land areas or territorial waters of a State, within which the flight of aircraft is restricted in accordance with certain specified conditions (a ‘restricted area’); or airspace situated above the land areas or territorial waters of a State, within which the flight of aircraft is prohibited (a ‘prohibited area’);

‘airspace structure’ means a specific volume of airspace designed to ensure the safe and optimal operation of aircraft;

‘air traffic services unit’ (ATS unit) means a unit, civil or military, responsible for providing air traffic services;

‘civil-military coordination’ means the coordination between civil and military parties authorised to make decisions and agree a course of action;

‘controlling military unit’ means any fixed or mobile military unit handling military air traffic and/or pursuing other activities which, owing to their specific nature, may require an airspace reservation or restriction;

‘cross-border airspace’ means an airspace structure extending across national borders and/or the boundaries of flight information regions;

‘flight intention’ means the flight path and associated flight data describing the planned trajectory of a flight to its destination, as updated at any moment;

‘flight path’ means the path of an aircraft through the air, defined in three dimensions;

‘real-time’ means the actual time during which a process or event occurs;

‘separation’ means spacing between aircraft, levels or tracks;

‘users’ means civil or military aircraft operating in the air as well as any other parties requiring airspace.