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navigation - What are the differences between an OBS, a CDI, a Heading indicator, and an HSI? - Aviation Stack Exchange
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Garmin GI-102A CDI Indicator - Code produit: 013-00048-00 (Annunciator NAV/GPS/VLOC, 80mm, Lighted), État de l'unité: Serviceable
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C172 CDI #1 and #2 (Course Deviation Indicator) each Ring is rotating in the wrong way - Aircraft & Systems - Microsoft Flight Simulator Forums
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