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- Precision_approach_radar abstract "Precision approach radar (PAR) is a type of radar guidance system designed to provide lateral and vertical guidance to an aircraft pilot for landing, until the landing threshold is reached. After the aircraft reaches the decision height (DH) or decision altitude (DA), guidance is advisory only. Controllers monitoring the PAR displays observe each aircraft's position and issue instructions to the pilot that keep the aircraft on course and glidepath during final approach. It is similar to an instrument landing system (ILS) but requires control instructions. One type of instrument approach that can make use of PAR is the ground-controlled approach (GCA). Air traffic controllers must transmit a minimum of every 5 seconds to the pilot their relation to the azimuth portion and, once intercepting the glidepath, their elevation. The approach is terminated when the aircraft reaches the OCA/H (Obstacle Clearance Altitude/Height). Nevertheless, information is provided till threshold and aircraft may be monitored by controller till touchdown. Controller in charge of PAR should not be responsible for any duty other than the PAR approach concerned.The upper portion of the display indicates elevation, the lower portion azimuth. Controllers must be able to interpret radar returns for the azimuth as a \"top view\" to inform them if the aircraft is left or right of course.Precision approach radars are most frequently used at military air traffic control facilities. Many of these facilities use the AN/FPN-63, AN/MPN, or AN/TPN-22. These radars can provide precision guidance to a distance of 10 to 20 miles. The OJ-333 Radar scope is the indicator which the air traffic controller uses to provide instructions to the pilots.In the United States PAR are used mostly by The Navy. This is because they present a more covert type of precision approach for use on Aircraft carriers. An ILS installed on a ship could provide guidance to enemy missiles but a PAR does not provide accurate guidance without controller instruction.".
- Precision_approach_radar thumbnail PAR-80aufbau.jpg?width=300.
- Precision_approach_radar wikiPageID "2158328".
- Precision_approach_radar wikiPageLength "4892".
- Precision_approach_radar wikiPageOutDegree "37".
- Precision_approach_radar wikiPageRevisionID "666970676".
- Precision_approach_radar wikiPageWikiLink FPN-63.
- Precision_approach_radar wikiPageWikiLink MPN.
- Precision_approach_radar wikiPageWikiLink TPN-22.
- Precision_approach_radar wikiPageWikiLink Acronyms_and_abbreviations_in_avionics.
- Precision_approach_radar wikiPageWikiLink Air_traffic_control.
- Precision_approach_radar wikiPageWikiLink Air_traffic_controller.
- Precision_approach_radar wikiPageWikiLink Aircraft.
- Precision_approach_radar wikiPageWikiLink Category:Aeronautical_navigation_systems.
- Precision_approach_radar wikiPageWikiLink Category:Air_traffic_control.
- Precision_approach_radar wikiPageWikiLink Category:Aircraft_landing_systems.
- Precision_approach_radar wikiPageWikiLink Category:Ground_radars.
- Precision_approach_radar wikiPageWikiLink Category:Types_of_final_approach_(aviation).
- Precision_approach_radar wikiPageWikiLink Final_approach_(aeronautics).
- Precision_approach_radar wikiPageWikiLink Flight_inspection.
- Precision_approach_radar wikiPageWikiLink Ground-controlled_approach.
- Precision_approach_radar wikiPageWikiLink Instrument_approach.
- Precision_approach_radar wikiPageWikiLink Instrument_landing_system.
- Precision_approach_radar wikiPageWikiLink International_Civil_Aviation_Organization.
- Precision_approach_radar wikiPageWikiLink L_band.
- Precision_approach_radar wikiPageWikiLink Multilateration.
- Precision_approach_radar wikiPageWikiLink Pilot_(aeronautics).
- Precision_approach_radar wikiPageWikiLink Radar.
- Precision_approach_radar wikiPageWikiLink Rain_fade.
- Precision_approach_radar wikiPageWikiLink Secondary_surveillance_radar.
- Precision_approach_radar wikiPageWikiLink Transponder.
- Precision_approach_radar wikiPageWikiLink Transponder_landing_system.
- Precision_approach_radar wikiPageWikiLink Triangulation.
- Precision_approach_radar wikiPageWikiLink Trilateration.
- Precision_approach_radar wikiPageWikiLink File:PAR-80aufbau.jpg.
- Precision_approach_radar wikiPageWikiLink File:PAR_Scope.jpg.
- Precision_approach_radar wikiPageWikiLinkText "Precision (PAR)".
- Precision_approach_radar wikiPageWikiLinkText "Precision approach radar".
- Precision_approach_radar wikiPageWikiLinkText "Radar APP".
- Precision_approach_radar wikiPageWikiLinkText "precision approach radar".
- Precision_approach_radar subject Category:Aeronautical_navigation_systems.
- Precision_approach_radar subject Category:Air_traffic_control.
- Precision_approach_radar subject Category:Aircraft_landing_systems.
- Precision_approach_radar subject Category:Ground_radars.
- Precision_approach_radar subject Category:Types_of_final_approach_(aviation).
- Precision_approach_radar hypernym System.
- Precision_approach_radar type Instrument.
- Precision_approach_radar type Type.
- Precision_approach_radar type Avionic.
- Precision_approach_radar type Instrument.
- Precision_approach_radar type Redirect.
- Precision_approach_radar type Type.
- Precision_approach_radar comment "Precision approach radar (PAR) is a type of radar guidance system designed to provide lateral and vertical guidance to an aircraft pilot for landing, until the landing threshold is reached. After the aircraft reaches the decision height (DH) or decision altitude (DA), guidance is advisory only. Controllers monitoring the PAR displays observe each aircraft's position and issue instructions to the pilot that keep the aircraft on course and glidepath during final approach.".
- Precision_approach_radar label "Precision approach radar".
- Precision_approach_radar sameAs Q495186.
- Precision_approach_radar sameAs Präzisionsanflugradar.
- Precision_approach_radar sameAs Radar_de_aproximación_de_precisión.
- Precision_approach_radar sameAs Radar_dapproche_de_prxc3xa9cision.
- Precision_approach_radar sameAs Radar_pendekatan_presisi.
- Precision_approach_radar sameAs m.06r42g.
- Precision_approach_radar sameAs Precision_approach_radar.
- Precision_approach_radar sameAs Q495186.
- Precision_approach_radar wasDerivedFrom Precision_approach_radar?oldid=666970676.
- Precision_approach_radar depiction PAR-80aufbau.jpg.
- Precision_approach_radar isPrimaryTopicOf Precision_approach_radar.