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Fixed Assets Assets that are permanent in nature and generally held for a period of more than one year (normally buildings and equipment).
Fixed ATN RDC The Fixed ATN Routing Domain Confederation (RDC) consists of all ground-based routing domains that form the ATN.
Fixed Cost A cost which accumulates with the passage of time irrespective of the volume of input or output. It may change from period to period due to price inflation, market forces, etc.
Flexible Use of Airspace Concept based on the fundamental principle that airspace should not be designated as purely civil or military, but rather be considered as a continuum in which all user requirements should be accommodated to the greatest possible extent.
Flight An aircraft, or group of aircraft that are to be considered as a single entity, known to the ATC system.
Flight Conformance The flight related property that expresses how well a flight is adhering to its system trajectory. It embraces the following aspects: longitudinal conformance; vertical conformance; lateral conformance; cleared level conformance; manoeuvre conformance; speed conformance.
Flight Crew Member A licensed crew member charged with duties essential to the operation of an aircraft during flight time.
Flight Data (MTCD) General information of a flight MTCD requires for conflict detection calculations. Flight data should consist of flight plan data, such as aerodrome of departure and destination, and planned levels, and the current phase-of-flight.
Flight Data Operation Division Is the CFMU unit responsible for the collection, updating, processing and dissemination of data on flight operations and on the air navigation infrastructure. This includes the running of, amongst other systems, the Integrated Initial Flight Plan Processing System (IFPS) and the ATS Environment Data Base.