Approach Aviation Technology VOR 
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?
Pilot Institute
DECEMBER 19, 2024
WAAS Precision With WAAS, aircraft can achieve impressive navigation capabilities, including vertical and horizontal accuracy within 1-2 meters and support for advanced approach procedures like Localizer Performance with Vertical guidance (LPV). WAAS : Facilitates advanced Area Navigation (RNAV) and approach procedures.
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