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- Localizer_type_directional_aid abstract "A localizer type directional aid (LDA) is a type of localizer-based instrument approach to an airport. It is used in places where, due to terrain and other factors, the localizer antenna array is not aligned with the runway it serves. In these cases, the localizer antenna array may be offset (i.e. pointed or aimed) in such a way that the approach course it projects no longer lies along the extended runway centerline (which is the norm for non-offset and non-LDA localizer systems). If the angle of offset is thirty degrees or less, the facility is classified as an offset localizer. If the offset angle is greater than thirty degrees, the facility is classified as a localizer-type directional aid (LDA). As a \"directional aid,\" and only a Category I (CAT I) approach, rather than a full-fledged instrument landing system (ILS), the LDA is more commonly used to help the pilot safely reach a point near the runway environs, where he or she hopefully can see the runway, at which point he or she will proceed and land visually, as opposed to (for example) full Category III (CAT III) ILS systems that allow a pilot to fly, without visual references, right down to the runway surface or very close to it depending on the exact equipment in the aircraft and on the ground. An LDA uses exactly the same equipment to create the course as a standard localizer used in ILS. An LDA approach also is designed with a normal course width, which is typically 3 to 6 degrees. (At each \"edge-of-course,\" commonly 1.5 or 3 degrees left and right of course, the transmitted signal is created in such a way as to ensure full-scale CDI needle deflection at and beyond these edges, so the pilot will never falsely believe that he is intercepting the course outside of the actual course area. The area between these full-scale needle deflections is what defines the course width.) An LDA approach (considered a non-precision approach) may have one or more marker beacons, perhaps a DME, and in rare instances a glide slope, just as other precision approaches have, such as ILS approaches.If the offset is not greater than 30 degrees, straight-in approach minima may be published; circling minima only are published when offset exceeds 30 degrees.".
- Localizer_type_directional_aid wikiPageExternalLink aim.pdf.
- Localizer_type_directional_aid wikiPageID "10571012".
- Localizer_type_directional_aid wikiPageLength "6890".
- Localizer_type_directional_aid wikiPageOutDegree "52".
- Localizer_type_directional_aid wikiPageRevisionID "696187362".
- Localizer_type_directional_aid wikiPageWikiLink Akureyri_Airport.
- Localizer_type_directional_aid wikiPageWikiLink Ben_Gurion_Airport.
- Localizer_type_directional_aid wikiPageWikiLink Buchanan_Field_Airport.
- Localizer_type_directional_aid wikiPageWikiLink Category:Aircraft_instruments.
- Localizer_type_directional_aid wikiPageWikiLink Category:Radio_navigation.
- Localizer_type_directional_aid wikiPageWikiLink Columbia_Gorge_Regional_Airport.
- Localizer_type_directional_aid wikiPageWikiLink Degree_(angle).
- Localizer_type_directional_aid wikiPageWikiLink Distance_measuring_equipment.
- Localizer_type_directional_aid wikiPageWikiLink Drake_Field.
- Localizer_type_directional_aid wikiPageWikiLink Eagle_County_Regional_Airport.
- Localizer_type_directional_aid wikiPageWikiLink Eastern_Sierra_Regional_Airport.
- Localizer_type_directional_aid wikiPageWikiLink Elkins–Randolph_County_Airport.
- Localizer_type_directional_aid wikiPageWikiLink Elko_Regional_Airport.
- Localizer_type_directional_aid wikiPageWikiLink Federal_Aviation_Administration.
- Localizer_type_directional_aid wikiPageWikiLink Grand_Junction_Regional_Airport.
- Localizer_type_directional_aid wikiPageWikiLink Grant_County_Airport_(West_Virginia).
- Localizer_type_directional_aid wikiPageWikiLink Haneda_Airport.
- Localizer_type_directional_aid wikiPageWikiLink Hartford–Brainard_Airport.
- Localizer_type_directional_aid wikiPageWikiLink Honolulu_International_Airport.
- Localizer_type_directional_aid wikiPageWikiLink Instrument_approach.
- Localizer_type_directional_aid wikiPageWikiLink Instrument_landing_system.
- Localizer_type_directional_aid wikiPageWikiLink Instrument_landing_system_localizer.
- Localizer_type_directional_aid wikiPageWikiLink John_Wayne_Airport.
- Localizer_type_directional_aid wikiPageWikiLink Juneau_International_Airport.
- Localizer_type_directional_aid wikiPageWikiLink LaGuardia_Airport.
- Localizer_type_directional_aid wikiPageWikiLink Lake_Tahoe_Airport.
- Localizer_type_directional_aid wikiPageWikiLink Marker_beacon.
- Localizer_type_directional_aid wikiPageWikiLink Martin_State_Airport.
- Localizer_type_directional_aid wikiPageWikiLink Pearson_Field.
- Localizer_type_directional_aid wikiPageWikiLink Petersburg_James_A._Johnson_Airport.
- Localizer_type_directional_aid wikiPageWikiLink Rick_Husband_Amarillo_International_Airport.
- Localizer_type_directional_aid wikiPageWikiLink Roanoke–Blacksburg_Regional_Airport.
- Localizer_type_directional_aid wikiPageWikiLink Ronald_Reagan_Washington_National_Airport.
- Localizer_type_directional_aid wikiPageWikiLink Salt_Lake_City_International_Airport.
- Localizer_type_directional_aid wikiPageWikiLink San_Francisco_International_Airport.
- Localizer_type_directional_aid wikiPageWikiLink Simplified_directional_facility.
- Localizer_type_directional_aid wikiPageWikiLink Sitka_Rocky_Gutierrez_Airport.
- Localizer_type_directional_aid wikiPageWikiLink St._George_Regional_Airport.
- Localizer_type_directional_aid wikiPageWikiLink Valdez_Airport.
- Localizer_type_directional_aid wikiPageWikiLink Van_Nuys_Airport.
- Localizer_type_directional_aid wikiPageWikiLink Wrangell_Airport.
- Localizer_type_directional_aid wikiPageWikiLinkText "LDA".
- Localizer_type_directional_aid wikiPageWikiLinkText "Localizer type Directional Aid".
- Localizer_type_directional_aid wikiPageWikiLinkText "Localizer type directional aid".
- Localizer_type_directional_aid wikiPageWikiLinkText "localizer type directional aid".
- Localizer_type_directional_aid wikiPageUsesTemplate Template:Reflist.
- Localizer_type_directional_aid subject Category:Aircraft_instruments.
- Localizer_type_directional_aid subject Category:Radio_navigation.
- Localizer_type_directional_aid hypernym Approach.
- Localizer_type_directional_aid type Instrument.
- Localizer_type_directional_aid type ProgrammingLanguage.
- Localizer_type_directional_aid type Component.
- Localizer_type_directional_aid type Instrument.
- Localizer_type_directional_aid type Redirect.
- Localizer_type_directional_aid comment "A localizer type directional aid (LDA) is a type of localizer-based instrument approach to an airport. It is used in places where, due to terrain and other factors, the localizer antenna array is not aligned with the runway it serves. In these cases, the localizer antenna array may be offset (i.e. pointed or aimed) in such a way that the approach course it projects no longer lies along the extended runway centerline (which is the norm for non-offset and non-LDA localizer systems).".
- Localizer_type_directional_aid label "Localizer type directional aid".
- Localizer_type_directional_aid sameAs Q6664652.
- Localizer_type_directional_aid sameAs m.02qj1x_.
- Localizer_type_directional_aid sameAs Q6664652.
- Localizer_type_directional_aid wasDerivedFrom Localizer_type_directional_aid?oldid=696187362.
- Localizer_type_directional_aid isPrimaryTopicOf Localizer_type_directional_aid.