2- Indicates aircraft position determination accuracy and navigation capability or whether accuracy is better than : FOM 0 = >3ONM; FOM 1 = <30NM; FOM 2 = <I5NM; FOM 3 = <8NM; FOM 4 = 4NM; FOM 5 = <1NM; FOM 6 = <0.24NM; FOM 7 = <0.05NM.
Filed Flight Plan
Note: When the word ‘messages’ is used as a suffix to this term, it denotes the content and format of the Field Flight Plan data as transmitted.
The flight plan as filed with an ATS Unit by the pilot or a designated representative, without any subsequent changes. Final Approach Fix The point at which a published instrument approach begins.
Final Approach Segment The straight line segment which prescribes the three-dimensional geometric path in space than an aircraft is supposed to fly on final approach. This segment is defined by two points in space, the Glide Path Intercept Waypoint (GPIWG) and the Threshold Crossing Waypoint (TCWP).
First Come First Served A basic rule for establishing the natural AMAN sequence. First-come = based on ETA derived from Flight Plan Data. First European ATCO Selection Test Package A tool for selection. The FEAST Project is aimed at defining, identifying, creating and providing a European controller selection test package which reflects future impacts and enables customised implementation and application.
Tip: to find a specific term, use the Acrobat search : click F on the binocular icon in the window bar menu
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.
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