Auto Pilot LPV Flightpath Intercept From Below
Asked by: Gary S. Silver 4486 views Airspace
Hi All: I am somewhat new to LPV approaches (GTN 750 coupled to 800 IFCS). My IFCS (Integrated Flight Control System) like most autopilots, I believe, require the GS/Flightpath to be intercepted from below to allow the AP to capture the GS/Flightpath. Take a look at the approach plate for KLGU (Ogden Utah) RNAV (GPS) RWY 35. The 11,400 (underlined) holding pattern altitude or altitude from IAF OGD VOR, along with the minimum altitudes at each subsequent fix don't really allow you to ever get below the flight path (I am flying this in my Cessna 421B at an approach speed of 120 knows, making this a rather steep approach that I have to configure for gear and flaps down and power back to even come close to getting below the flightpath in order for the AP to capture the flightpath). Any thoughts or suggestions on how to better enable me to get below the flightpath of LPV approaches so the AP can properly capture the GS (in this case flightpath)?
Thanks, G. Silver
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