CDI stands for which of the following?

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Multiple Choice

CDI stands for which of the following?

Explanation:
CDI stands for Course Deviation Indicator, the navigation instrument that shows how far off you are from the selected course. When you tune a VOR or localizer and set the desired course with the OBS, the CDI needle or display deflects left or right to indicate deviation from that course. Centering the CDI means you’re on the intended path; deflection tells you which way to steer to return to that course. The other terms listed aren’t standard aviation terminology for this function, so the correct expansion is Course Deviation Indicator.

CDI stands for Course Deviation Indicator, the navigation instrument that shows how far off you are from the selected course. When you tune a VOR or localizer and set the desired course with the OBS, the CDI needle or display deflects left or right to indicate deviation from that course. Centering the CDI means you’re on the intended path; deflection tells you which way to steer to return to that course. The other terms listed aren’t standard aviation terminology for this function, so the correct expansion is Course Deviation Indicator.

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