Commission Regulation (EU) No 255/2010

means the pre-determined time value from off-block to take-off, expressed in minutes and valid during normal airport operations;

means a flight or a series of flights carrying passengers, cargo or mail for remuneration or hire;

means the authorisation for an aircraft to proceed under conditions specified by an air traffic control unit;

means a calculated take-off time attributed by the central unit for ATFM with a time tolerance managed by the local ATS unit;

means the actions taken to perform air traffic flow management and capacity management;

means the four dimensional description of an ATS unit airspace sector, or group of sectors, which may be operated on a permanent or temporary basis;

means an ATS unit established for the purpose of receiving reports concerning ATS and flight plans submitted before the first delivery of an air traffic control clearance;

means an unusual situation or crisis involving a major loss of EATMN capacity, or a major imbalance between EATMN capacity and demand, or a major failure in the information flow in one or several parts of the EATMN;

means the process initiated by an entity performing ATFM to ensure that a change is made to the flight plan by the operator before the execution of the flight;

means the symbol used to designate instrument flight rules;

means a flow management entity operating on behalf of one or more other flow management entities as the interface between the central unit for ATFM and an ATS unit or a group of such units;

means more than one flight plan for the same intended flight between two airports;

means a log of the ATFM system, converted into a database to allow quick search of ATFM data.

means a person, organisation or enterprise engaged in or offering to engage in an aircraft operation;

means policies and procedures for the use of routes by aircraft;

means aircraft position, updated by surveillance data, flight plan data or position reports;