HSI vs. CDI: What’s the Difference?
Pilot Institute
MARCH 13, 2025
You can use the CDI with navigation aids like VOR (VHF Omnidirectional Range) or GPS. We wont explain technical details, so you may not understand the example if you havent used a VOR. Imagine were flying an HSI-equipped airplane away from VOR. Q: What is the difference between a VOR and a HSI? What would you say to them?
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