I've used Gyronimo's performance pads for other aircraft and found them to be great flight planning tools (182, 172, PA28). This one falls short.
The biggest flaw is the inability to set the fuel-flow or % power for the cruise segment. Without that parameter you can't accurately plan the flight time, fuel consumption, landing weight or arrival runway requirements. Manny Cirrus pilots fly LOP and so the ability to adjut fuel flow and target TAS on the cruise segment is key to an accurate flight plan.
A suggested improvement: Instead of manually entering the take-off and landing wind speed and direction, how about allowing the app to import the current METAR data and save having to enter it?
At this point, despite it's poor UX, the Cirrus Proflite app is the better planning tool.
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