Avionics Tips & Tricks You Don't Know...Probably (from 16 hr Garmin training course) - FlightChops In this episode I'm intercutting the first ever time I filed #IFR in the RV-14, with the 16 hour in person #Garmin #avionics training course I attended a month later. We're focusing on the GTN 750 navigator, G3X Touch PFD, and GFC 500 Digital Autopilot. It's 26 minutes of action packed tips tricks and best practices for automation management.