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This page provides a simple browsing interface for finding entities described by a property and a named value. Other available search interfaces include the page property search, and the ask query builder.

Search by property

A list of all pages that have property "Definition" with value "A formalised representation of data". Since there have been only a few results, also nearby values are displayed.

Showing below up to 25 results starting with #1.

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List of results

  • Target report  + (A digital message which depending on the filtering function applied can be either polished / filtered plot or track.)
  • Network Manager Directorate  + (A directorate of Eurocontrol, located in Brussels.)
  • Flight progress display  + (A display of data from which the actual and intended progress of flights may be readily determined.)
  • Safety Directive  + (A document issued or adopted by a competent authority which mandates actions to be performed on a functional system to restore safety, when evidence shows that aviation safety may otherwise be compromised.)
  • Business plan  + (A document or series of documents intended to determine the mission, goals and individual objectives of an organisation in preparation for implementation over some stated period of time.)
  • Air traffic controller licence  + (A document that identifies a person as a qualified air traffic controller and contains personal, medical and professional qualifications including details of ratings, endorsements and current competence/validity.)
  • Propose route function  + (A dynamic route generator available in [[IFPS]], [[NOP]] and CIAO (in the [[AOWIR]] tool).It provides one or more routes according to a series of conditions such as city-pair, aircraft type, [[EOBT]], etc.)
  • Air route traffic control center  + (A facility established to provide air traf
    A facility established to provide air traffic control service to aircraft operating on IFR flight plans within controlled airspace and principally during the en route phase of flight. When equipment capabilities and controller workload permit, certain advisory/assistance services may be provided to VFR aircraft.
    services may be provided to VFR aircraft.)
  • Radio navigation aid  + (A facility or system external to the aircraft that generates electro-magnetic signals to be used by aircraft navigation systems for position determination or flight path guidance.)
  • Radio Navigation Service Limitation  + (A factor which would detract expected performance of a navigational aid signal circular sector.)
  • Noise factor  + (A figure defined for a receiver as the rat
    A figure defined for a receiver as the ratio of the noise at the output of the practical receiver and the noise output of an ideal receiver at standard temperature T0 (290° K). The noise factor is in practice defined as the Signal-to-Noise ratio at the input divided by the Signal-to-Noise ratio at the output of a receiver.
    o-Noise ratio at the output of a receiver.)
  • Bandpass filter  + (A filter designed to transmit a range of frequencies (the bandwidth) between two cutoff frequencies and to reject frequencies outside that range.)
  • Missed approach turning fix  + (A fix different from MAPt [missed approach point] that marks a turn in the missed approach segment.)
  • Along-track error  + (A fix error along the flight track resulting from the total error contributions.)
  • Initial Approach Fix  + (A fix that marks the beginning of the initial segment and the end of the arrival segment, if applicable.)
  • Intermediate Fix  + (A fix that marks the end of an initial segment and the beginning of the intermediate segment.)
  • Along-track tolerance  + (A fix tolerance along the nominal track resulting from the airborne and ground equipment tolerances.)
  • Missed approach holding fix  + (A fix used in RNAV applications that marks the end of the missed approach segment and the centre point for the missed approach holding.)
  • Military Variable Profile Area  + (A flexible composition of defined modular portions of airspace to fulfil military needs, restricting airspace utilisation for other airspace users only by the necessary minimum.)
  • IFR flight  + (A flight conducted in accordance with instrument flight rules (IFR).)
  • Controlled VFR flight  + (A flight conducted under VFR within Class B airspace and in accordance with an ATC clearance.)
  • Replacement Flight Plan Procedure  + (A flight planning procedure whereby the flight plan originator substitutes the original routeing for an alternative one.)
  • Amplitude modulation  + (A form of modulation in which the amplitude of a carrier wave is varied in accordance with some characteristic of the modulating signal.)
  • Certification  + (A formal evaluation and confirmation by or on behalf of the appropriate authority for aviation security that a person possesses the necessary competencies to perform assigned functions to an acceptable level as defined by the appropriate authority.)
  • Requirement  + (A formal statement of what is needed. For example a Service Level Requirement, a Project Requirement or the required Deliverables for a Process.)
 (A formalised representation of data)
  • Data Element  + (A formalised representation of data.)
  • Information Element  + (A formalised representation of information.)
  • ATS Data Exchange Presentation  + (A format, rather than a protocol, used primarily in on-line computer-to-computer message exchange. Specific uses include flight planning and [[Air Traffic Flow & Capacity Management]] (ATFCM) messages.)
  • Aerodrome Location Description  + (A free text description of the aerodrome site direction and distance from the city it serves or from another point easily distinguishable from the air.)
  • Vertical navigation  + (A function of [[area navigation]] (RNAV) equipment which calculates, displays and provides guidance to a vertical profile or path.)
  • Centralised Airspace Data Function  + (A function that has been established within the Network Manager Operations Centre (NMOC) to collect Airspace Use Plan (AUP) information from the Airspace Management Cells (AMC).)
  • Aircraft Operator What-If-Reroute  + (A function within ETFMS where the Aircraft Operator ([[AO]]) can interrogate the ATFCM systems for a possible reroute, using the CFMU [[Common Human Machine Interface]] (CHMI) or the Network Operations Portal ([[NOP]]).)
  • Cone of silence  + (A gap in coverage above a radar due to the limitations of the antenna performance at high elevation angles.)
  • Cockpit Display of Traffic Information  + (A generic avionics device on the flight deck that is capable of displaying the position information of nearby aircraft. It may also include ground reference points and navigation information to increase the AIRSAW.)
  • Emergency locator transmitter  + (A generic term describing equipment which
    A generic term describing equipment which broadcast distinctive signals on designated frequencies and, depending on application, may be automatically activated by impact or be manually activated. An ELT may be any of the following: Automatic fixed ELT (ELT(AF)). An automatically activated ELT which is permanently attached to an aircraft. Automatic portable ELT (ELT(AP)). An automatically activated ELT which is rigidly attached to an aircraft but readily removable from the aircraft. Automatic deployable ELT (ELT(AD)). An ELT which is rigidly attached to an aircraft and which is automatically deployed and activated by impact, and, in some cases, also by hydrostatic sensors. Manual deployment is also provided. Survival ELT (ELT(S)). An ELT which is removable from an aircraft, stowed so as to facilitate its ready use in an emergency, and manually activated by survivors.
    ency, and manually activated by survivors.)
  • Unit  + (A generic term meaning variously all types of 'units' providing all types of services. This includes particularly Air Traffic Management (ATM) Units but also units which are not expressis verbis included in ATM such as SAR, MET, COM etc.)
  • ATS surveillance system  + (A generic term meaning variously, ADS-B, PSR, SSR or any comparable ground-based system that enables the identification of aircraft.)
  • Air traffic services unit  + (A generic term meaning variously, air traffic control unit, flight information centre or air traffic services reporting office.)
  • Air traffic control unit  + (A generic term meaning variously, area control centre, approach control unit or aerodrome control tower.)
  • Emergency phase  + (A generic term meaning, as the case may be, uncertainty phase, alert phase or distress phase.)
  • Level  + (A generic term relating to the vertical position of an aircraft in flight and meaning variously, height, altitude or flight level.)
  • Target level of safety  + (A generic term representing the level of risk which is considered acceptable in particular circumstances.)
  • Air Refuelling Point  + (A geographic position or radio navigation fix along an air refuelling anchor pattern or air refuelling track.)
  • Area of responsibility (world area forecast system)  + (A geographical area for which a [[regional area forecast centre]] prepares significant weather forecasts.)
  • Holding fix  + (A geographical location that serves as a reference for a holding procedure.)
  • Influence Diagram  + (A graphical representation of the interdependence between influencing factors. The approach originates from the field of decision analysis and decision making.)
  • Interrogator-responsor  + (A ground-based combined transmitter-receiver element of an SSR system.)
  • Approach Path Monitor  + (A ground-based safety net intended to warn the controller about increased risk of controlled flight into terrain accidents by generating, in a timely manner, an alert of aircraft proximity to terrain or obstacles during final approach.)
  • Area proximity warning  + (A ground-based safety net intended to warn the controller about unauthorised penetration of an airspace volume by generating, in a timely manner, an alert of a potential or actual infringement of the required spacing to that airspace volume.)
  • Short Term Conflict Alert  + (A ground-based safety net intended to assist the controller in preventing collision between aircraft by generating, in a timely manner, an alert of a potential or actual infringement of separation minima.)