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A list of all pages that have property "Definition" with value "A type of activity describing the functionality of a Service". 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

  • Moving Target Detector  + (A technique for achieving fixed and moving clutter rejection by a cascade of digital MTI and Pulse Doppler Filters.)
  • Improved interrogation side-lobe suppression  + (A technique whereby interrogation pulse P1 is transmitted via both the main beam and the control beam of the SSR antenna, so that a transponder in a side-lobe direction more reliably receives a P1-P2 pulse pair.)
  • Monopulse  + (A technique wherein the amplitudes and/or
    A technique wherein the amplitudes and/or phases of the signals received in overlapping antenna lobes are compared to estimate the angle of arrival of the signal. The technique determines the angle of arrival of a single pulse, or reply, within an antenna beamwidth. The angle of arrival is determined by means of a processor using the replies received through the sum and difference patterns of the antenna.
    um and difference patterns of the antenna.)
  • Continuous descent final approach  + (A technique, consistent with stabilized ap
    A technique, consistent with stabilized approach procedures, for flying the final approach segment of a non-precision instrument approach procedure as a continuous descent, without level-off, from an altitude/height at or above the final approach fix altitude/height to a point approximately 15 m (50 ft) above the landing runway threshold or the point where the flare maneuver should begin for the type of aircraft flown.
    ould begin for the type of aircraft flown.)
  • Aircraft Autonomous Integrity Monitoring  + (A technology used to augment GPS and GLONASS within the GNSS 1 framework that uses information from the aircraft inertial navigation systems to cross-check the integrity of the GPS signal.")
  • Aeronautical fixed service  + (A telecommunication service between specified fixed points provided primarily for the safety of air navigation and for the regular, efficient and economical operation of air services.)
  • Project  + (A temporary endeavour undertaken to create a unique product, service or result.)
  • Garbling  + (A term applied to the overlapping in range and/or azimuth of two or more SSR replies so that the pulse positions of one reply fall close to or overlap the pulse positions of another reply, thereby making the decoding of reply data prone to error.)
  • Fruit  + (A term applied to unwanted SSR replies received by an interrogator which have been triggered by other SSR interrogators. Fruit is the acronym of False Replies Unsynchronized In Time, or False Replies Unsynchronized to Interrogator Transmission.)
  • Downlink  + (A term referring to the transmission of data from an aircraft to the ground. Mode S air-to-ground signals are transmitted on the 1 090 MHz reply frequency channel.)
  • ATS surveillance service  + (A term used to indicate a service provided directly by means of an ATS surveillance system)
  • Procedure Description  + (A textual description of a visual or instrument flight procedure, or segment thereof, which may include arrivals and departures.)
  • Holding Procedure Description  + (A textual description of the holding procedure.)
  • Passenger Service Description  + (A textual description of the type and level of passenger services available at the aerodrome.)
  • Communication Failure Procedure  + (A textual specification of guidance to be followed in case of radio communication failure.)
  • Aircraft security search  + (A thorough inspection of the interior and exterior of the aircraft for the purpose of discovering suspicious objects, weapons, explosives, or other dangerous devices, articles or substances.)
  • Terrain Awareness and Warning System  + (A timed-based system that provides information concerning potential hazards with fixed objects by using GPS positioning and a database of terrain and obstructions to provide true predictability of the upcoming terrain and obstacles.)
  • Flight position monitor  + (A tool to support the air traffic controller by monitoring flight progress, detecting (possible) deviations from the planned route and possibly suggesting corrective actions.)
  • Coasting track  + (A track for which the radar returns have been temporarily interrupted and whose position and altitude are being predicted and displayed based on the previously received radar and flight plan data.)
  • Route  + (A track from a defined start point to a defined endpoint on the movement area.)
  • Precision Trajectory  + (A trajectory that includes required naviga
    A trajectory that includes required navigational performance associated to the Pre-defined or User preferred routes, or portion of routes, of trajectory (e.g. 2D RNP specifications and/or altitude constraints on specified points to ensure strategic de-confliction of 3D profiles).
    strategic de-confliction of 3D profiles).)
  • Business or Mission Trajectory  + (A trajectory which expresses the business or mission intentions of the [[Airspace User]].)
  • Alternative trajectory  + (A trajectory which is calculated based on constraints which do not currently apply to the flight.)
  • Blind transmission  + (A transmission from one station to another station in circumstances where two-way communication cannot be established but where it is believed that the called station is able to receive the transmission.)
  • Broadcast  + (A transmission of information relating to air navigation that is not addressed to a specific station or stations.)
 (A type of activity describing the functionality of a Service)
  • Service function  + (A type of activity describing the functionality of a Service.)
  • Traffic Alert and Collision Avoidance System  + (A type of airborne collision avoidance sys
    A type of airborne collision avoidance system (ACAS) based on a family of airborne equipment that functions independently of the ground-based ATC system to detect potential conflicting aircraft that are equipped with secondary surveillance radar (SSR) transponders.
    ary surveillance radar (SSR) transponders.)
  • Z marker beacon  + (A type of radio beacon, the emissions of which radiate in a vertical cone-shaped pattern.)
  • Aircraft address  + (A unique combination of twenty-four bits available for assignment to an aircraft for the purpose of air-ground communications, navigation and surveillance)
  • Individual Flight Plan Identity code  + (A unique identifier assigned to a flight b
    A unique identifier assigned to a flight by [[IFPS]]. It will be in all [[ADEXP]] messages issued by Network Management. [[ETFMS]] will accept the IFPLID when provided in an incoming message in ADEXP format. Therefore, messages originated by AOs may include the IFPLID, preferably only if generated automatically. Aircraft Operators may extract the IFPLID from the ACK message.
    y extract the IFPLID from the ACK message.)
  • Air traffic services reporting office  + (A unit established for the purpose of receiving reports concerning air traffic services and flight plans submitted before departure.)
  • Aerodrome flight information unit  + (A unit established to provide a [[flight i
    A unit established to provide a [[flight information service]] to aerodrome traffic at an aerodrome designated for use by International General Aviation (IGA) and where the provision of an [[aerodrome control service]] is not justified, or is not justified on a 24 hour basis..
    , or is not justified on a 24 hour basis..)
  • Area control centre  + (A unit established to provide air traffic control service to controlled flights in control areas under its jurisdiction.)
  • Approach control office  + (A unit established to provide air traffic control service to controlled flights arriving at, or departing from, one or more aerodromes.)
  • Approach control unit  + (A unit established to provide air traffic control service to controlled flights arriving at, or departing from, one or more aerodromes.)
  • Aerodrome control tower  + (A unit established to provide air traffic control service to aerodrome traffic)
  • Aerodrome control  + (A unit established to provide air traffic control service to aerodrome traffic)
  • Flight information centre  + (A unit established to provide flight information service and alerting service.)
  • Protocol data unit  + (A unit of data transferred between peer entities within a protocol layer consisting of protocol control information and higher layer user data (i.e. service data units))
  • Secondary surveillance radar transponder  + (A unit which transmits a response signal on receiving an SSR interrogation. The term is a derivative of the words transmitter and responder.)
  • Runway Offset Width  + (A value specifying the lateral offset of the strip, when it is not symmetrically extended beyond the two runway edges.)
  • Runway Offset Length  + (A value specifying the longitudinal offset of the strip, when it is not symmetrically extended beyond the two runway ends.)
  • Load Classification Number  + (A value which denotes the peak being moment the surface can handle repeatedly without shortening its service life.)
  • 4DWxCube  + (A virtual repository of MET information, produced by multiple contributors (MET service providers), from diverse locations, that will provide end users with a common weather picture.)
  • Fog  + (A visible aggregate of minute water particles (droplets) in the air reducing the horizontal visibility at the Earth's surface to less than 1 kilometre.)
  • Visual glide slope indicator  + (A visual guidance system that provides "below/above glidepath" information to an aircraft executing an approach to a specific runway direction.)
  • Final Approach Alignment  + (A visual manoeuvre used to properly bring the aircraft into position for landing at final approach.)
  • Area of common interest (SYSCO)  + (A volume of airspace as agreed between 2 ATS Units, extending into the adjacent/subjacent Areas of Responsibility, within which airspace structure and related activities may have an impact on air traffic co-ordination procedures.)
  • Active waypoint  + (A way-point [sic] to or from which navigat
    A way-point [sic] to or from which navigational guidance is being provided. For a parallel offset, the active way-point may or may not be at the same geographical position as the parent way-point. When not in the parallel offset mode (operating on the parent route), the active and parent way-points are at the same geographical position.
    nts are at the same geographical position.)
  • Flyover waypoint  + (A waypoint at which a turn is initiated in order to join the next segment of a route or procedure.)