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Horizontal Situation Indicator: Difference between revisions
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[[File:KI525.jpg|thumb|250px|The HSI in FlightGear's Seneca]] | [[File:KI525.jpg|thumb|250px|The HSI in FlightGear's Seneca]] | ||
== General Description == | == General Description == | ||
HSI is the acronym for '''Horizontal Situation Indicator'''. Sometimes it is also called '''Pictorial Navigation Indicator'''. It combines a standard '''Directional Gyro''' (DG) and '''Course Deviation Indicator''' (CDI) into one single instrument and reduces the pilots workload by displaying the aircraft's heading and position relative to a desired course in a compact manner. | HSI is the acronym for '''Horizontal Situation Indicator'''. Sometimes it is also called '''Pictorial Navigation Indicator'''. It combines a standard [[Avionics_and_instruments#Directional_Gyro|'''Directional Gyro''' (DG)]] and '''Course Deviation Indicator''' (CDI) into one single instrument and reduces the pilots workload by displaying the aircraft's heading and position relative to a desired course in a compact manner. | ||
The well known drift of a standard Directional Gyro is usually compensated by the use of a slaved gyro system that constantly corrects the heading indication. | The well known drift of a standard Directional Gyro is usually compensated by the use of a slaved gyro system that constantly corrects the heading indication. | ||
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[[File:KI525-legend.jpg|thumb|250px|The HSI in FlightGear's Seneca]] | [[File:KI525-legend.jpg|thumb|250px|The HSI in FlightGear's Seneca]] | ||
== Indicators == | == Indicators == | ||
=== Compass Card / Compass Rose === | === Compass Card / Compass Rose === | ||