Approach Primary Flight Display Threshold 
Pilot Institute
FEBRUARY 15, 2025
Well, one important thing youll need to know is RNAV approaches. These approaches use GPS to help you land and offer more flexibility than traditional systems like ILS. In this guide, you’ll learn how RNAV approaches work, the different types available, and tips to make them feel natural and straightforward.
Professional Pilot
APRIL 3, 2025
For example, a traditional airspeed indicator shows only real-time changes, while a glass cockpits trend indicator calculates exactly where the airspeed will be over a fixed unit of time and can trigger alerts or automated corrections if thresholds are breached. Information is situational dependent.
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