HSI vs. CDI: What’s the Difference?
Pilot Institute
MARCH 13, 2025
Imagine were flying an HSI-equipped airplane away from VOR. The Future of the HSI As aviation technology advances, the HSI remains a valuable instrument while maintaining strong roots in its basic navigation principles. The HSI has found its home in modern glass cockpit avionics, along with the altimeter and airspeed indicator.
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