What does HDI stand for?

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Prepare for the USAA Oral Test. Study with flashcards and multiple-choice questions with hints and explanations. Get ready for your exam!

Multiple Choice

What does HDI stand for?

Explanation:
HDI stands for Horizontal Deviation Indicator. This instrument shows how far off you are from the selected course in the horizontal plane, giving left/right deviation guidance to help you center the course you’re flying. It’s the navigation readout you rely on when tracking a VOR/LOC or GPS course, indicating both the direction and magnitude of the deviation so you can steer back to the intended path. The other terms don’t reflect the standard function: they don’t represent the lateral deviation display used for navigation, whereas the Horizontal Deviation Indicator is specifically about showing how far you are from the desired track.

HDI stands for Horizontal Deviation Indicator. This instrument shows how far off you are from the selected course in the horizontal plane, giving left/right deviation guidance to help you center the course you’re flying. It’s the navigation readout you rely on when tracking a VOR/LOC or GPS course, indicating both the direction and magnitude of the deviation so you can steer back to the intended path. The other terms don’t reflect the standard function: they don’t represent the lateral deviation display used for navigation, whereas the Horizontal Deviation Indicator is specifically about showing how far you are from the desired track.

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