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Thread: Why does the HSI have to be set to the front course heading for ILS approaches?
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Old 3rd Jan 2010, 00:46
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Contacttower
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Why does the HSI have to be set to the front course heading for ILS approaches?
I should know the answer to this since I have an IR....

When using a VOR an HSI will always be a command instrument, yet when using a localiser, whether it be inbound on the back course, inbound on the front course or any other combo of course and direction it has to be set to the front course heading otherwise it will reverse sense...why are localisers and VORs different in this respect?
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