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- Horizontal_situation_indicator abstract "The horizontal situation indicator (commonly called the HSI) is an aircraft instrument normally mounted below the artificial horizon in place of a conventional heading indicator. It combines a heading indicator with a VOR/ILS display, reducing pilot workload by lessening the number of elements in the pilot's instrument scan to the six basic flight instruments. Among other advantages, the HSI offers freedom from the confusion of reverse sensing on a localizer backcourse approach. On a front course approach, the HSI needle is set to the inbound track; on a back course approach, the HSI needle is set to the outbound rather than the inbound track, causing needle deflection that mimics a front course approach instead of displaying the normal reverse sensing.The HSI is also used on spacecraft like the Space Shuttle.On the HSI, the airplane is represented by a schematic figure in the center of the instrument – the VOR/ILS display is shown in relation to this figure. The heading indicator is usually slaved to a remote compass, and the HSI is frequently interconnected with an autopilot capable of executing an approach by following the localizer and glide slope.On a conventional VOR indicator, left/right and to/from must be interpreted in the context of the selected course. When an HSI is tuned to a VOR station, left and right always mean left and right and TO/FROM is indicated by a simple triangular arrowhead pointing to the VOR. If the arrowhead points to the same side as the course selector arrow, it means TO, and if it points behind to the side opposite the course selector, it means FROM. The HSI illustrated here is a type designed for smaller airplanes, and is the size of a standard 3-1/4 inch instrument. Airline and jet aircraft HSIs are larger and may include more display elements. The most modern HSI displays are electronic and often integrated with electronic flight director systems into so-called "glass cockpit" systems.".
- Horizontal_situation_indicator thumbnail Horizontal_situation_indicator-en.svg?width=300.
- Horizontal_situation_indicator wikiPageID "5636308".
- Horizontal_situation_indicator wikiPageRevisionID "593724029".
- Horizontal_situation_indicator hasPhotoCollection Horizontal_situation_indicator.
- Horizontal_situation_indicator subject Category:Aircraft_instruments.
- Horizontal_situation_indicator subject Category:Avionics.
- Horizontal_situation_indicator subject Category:Radio_navigation.
- Horizontal_situation_indicator type AircraftInstruments.
- Horizontal_situation_indicator type Artifact100021939.
- Horizontal_situation_indicator type Device103183080.
- Horizontal_situation_indicator type Instrument103574816.
- Horizontal_situation_indicator type Instrumentality103575240.
- Horizontal_situation_indicator type Object100002684.
- Horizontal_situation_indicator type PhysicalEntity100001930.
- Horizontal_situation_indicator type Whole100003553.
- Horizontal_situation_indicator comment "The horizontal situation indicator (commonly called the HSI) is an aircraft instrument normally mounted below the artificial horizon in place of a conventional heading indicator. It combines a heading indicator with a VOR/ILS display, reducing pilot workload by lessening the number of elements in the pilot's instrument scan to the six basic flight instruments. Among other advantages, the HSI offers freedom from the confusion of reverse sensing on a localizer backcourse approach.".
- Horizontal_situation_indicator label "Horizontal Situation Indicator".
- Horizontal_situation_indicator label "Horizontal situation indicator".
- Horizontal_situation_indicator label "Indicatore della situazione orizzontale".
- Horizontal_situation_indicator sameAs Horizontal_Situation_Indicator.
- Horizontal_situation_indicator sameAs Indicatore_della_situazione_orizzontale.
- Horizontal_situation_indicator sameAs 수평자세_지시계.
- Horizontal_situation_indicator sameAs m.0dxhx7.
- Horizontal_situation_indicator sameAs Q908611.
- Horizontal_situation_indicator sameAs Q908611.
- Horizontal_situation_indicator sameAs Horizontal_situation_indicator.
- Horizontal_situation_indicator wasDerivedFrom Horizontal_situation_indicator?oldid=593724029.
- Horizontal_situation_indicator depiction Horizontal_situation_indicator-en.svg.
- Horizontal_situation_indicator isPrimaryTopicOf Horizontal_situation_indicator.
