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- Control_zone abstract "A control zone (CTR or controlled traffic region) in aviation is a volume of controlled airspace, normally around an airport, which extends from the surface to a specified upper limit, established to protect air traffic operating to and from that airport. Because CTRs are, by definition, controlled airspace, aircraft can only fly in it after receiving a specific clearance from air traffic control. This means that air traffic control at the airport know exactly which aircraft are in that airspace, and can take steps to ensure aircraft are aware of each other, either using separation or by passing traffic information.In the USA the term control zone is no longer used and has been replaced by airspace class D. Typically it extends 5 miles in diameter with a height of 2500 ft AGL (above ground level) around small commercial airports. Aircraft are required to establish radio contact with the control tower before entering and to maintain in contact while in class D airspace. This implies that an aircraft must be equipped with at least a portable radio to fly in Class D airspace.In the UK, control zones are normally class D airspace and usually extend from the surface to 2000 ft AGL. They can be observed to be usually rectangular, extending along the axis of the main runway, although irregular shapes may be used where more complex airspace dictates this (see Liverpool and East Midlands). A control area (CTA) is often placed between a CTR and nearby airways to give uninterrupted controlled airspace to airways arrivals and departures.In Germany, control zones are a special type of class D airspace, called D (CTR). The main difference to the regular German class D airspace is, that within a CTR there are no minimum-distances for VFR-traffic to keep from clouds (though clouds may not be touched).".
- Control_zone wikiPageID "4740500".
- Control_zone wikiPageLength "2416".
- Control_zone wikiPageOutDegree "8".
- Control_zone wikiPageRevisionID "673475599".
- Control_zone wikiPageWikiLink Air_traffic_control.
- Control_zone wikiPageWikiLink Airway_(aviation).
- Control_zone wikiPageWikiLink Aviation.
- Control_zone wikiPageWikiLink Category:Air_traffic_control.
- Control_zone wikiPageWikiLink Control_area.
- Control_zone wikiPageWikiLink Controlled_airspace.
- Control_zone wikiPageWikiLink Flight_information_region.
- Control_zone wikiPageWikiLink Terminal_control_area.
- Control_zone wikiPageWikiLinkText "CTRs".
- Control_zone wikiPageWikiLinkText "Control zone".
- Control_zone wikiPageWikiLinkText "air traffic zone".
- Control_zone wikiPageWikiLinkText "class D airspace".
- Control_zone wikiPageWikiLinkText "control zone".
- Control_zone wikiPageWikiLinkText "controlled traffic region/control zone".
- Control_zone wikiPageUsesTemplate Template:Aviation-stub.
- Control_zone wikiPageUsesTemplate Template:Citation_needed.
- Control_zone wikiPageUsesTemplate Template:Reflist.
- Control_zone subject Category:Air_traffic_control.
- Control_zone hypernym Volume.
- Control_zone type Book.
- Control_zone type Redirect.
- Control_zone comment "A control zone (CTR or controlled traffic region) in aviation is a volume of controlled airspace, normally around an airport, which extends from the surface to a specified upper limit, established to protect air traffic operating to and from that airport. Because CTRs are, by definition, controlled airspace, aircraft can only fly in it after receiving a specific clearance from air traffic control.".
- Control_zone label "Control zone".
- Control_zone sameAs Q1783390.
- Control_zone sameAs Řízený_okrsek.
- Control_zone sameAs Kontrolzone.
- Control_zone sameAs Kontrollzone.
- Control_zone sameAs CTR_(aéronautique).
- Control_zone sameAs Zona_di_controllo.
- Control_zone sameAs Kontrollsone.
- Control_zone sameAs CTR_(lotnictwo).
- Control_zone sameAs m.0ckvv_.
- Control_zone sameAs Kontrol_bölgesi.
- Control_zone sameAs Q1783390.
- Control_zone wasDerivedFrom Control_zone?oldid=673475599.
- Control_zone isPrimaryTopicOf Control_zone.