I recently got my Piaggio Avanti II rating so i'm SUPERRRRR happy about this aircraft and y'all making this freeware...even though I would definitely pay for it with a bit more work. Here are some things I noticed while I was flying for ~15 mins. Some of this are bigger projects and I know this is freeware but just giving my 2 cents since i've been through training. Maybe theres an update I missed and some of these are fixed but I did just install this yesterday. Thanks SOOO much again for this plane, its AMAZING as it is.
Reflection on MFD, PFD, annunc. panel etc. during the day is way to plasticy and doesnt look real at all unless the sun is shining on it. X plane thing I guess
AP Disc bar is engaged when I start...shouldnt be
Lettering like the "REFS" NAV/BRG etc are a little too big, the real plane the font is smaller
Oil Cooler switches should work...should be on during ground ops
Propellers seem to go way over 2000 when I throttle up...they should stay at 2000 or 2005 ish max for a second or so, prop governors should be working so it shouldn't go above
Reversionary Panel, TCAS etc. that whole panel should work (Bigger project)
The back up artificial horizon gauge should take a few minutes to spool up, not turn on right away. Also you should be able to set the altimeter separate from both PFD's
V/S mode on Autopilot was working for me
Ground ROTARY test, all options should work correctly (shouldnt be too hard but somewhat time consuming)
FMC doesnt look or work exactly like the real plane. ( I know you said a custom FMC is in the future)
Overspeed test should work independent on each engine.
Fuel quantity goes down by 10's I believe...so 1000, 990, 980 etc.
Crossfeeding only seems to work the way you turn the main white knob...the knob shouldnt do that, its only to activate the crossfeeding but you have to turn both fuel pumps on, turn the crossfeed knob either way and THEN turn off either the right or left fuel pump depending on the side you want to take fuel from.
Radar doesnt work, not a huge deal but something in the long term maybe
Emergency Comm 1 button should work, easy fix
Cabin press (Auto/Man switch) and also setting should be able to work (not a big deal, i'm getting really picky with stuff and a lot of it doesnt really matter too much)
Avionics switch, Comm 1 only should work
You should be able to request GPU
Need to have a SYS page/overlay on the MFD showing battery voltage, degrees etc.
Condition levers should have stops. Idle cutoff should click in, Feather should click in, Ground Idle should click in then up from there. Makes it easier to know which one youre at.
Prop values go negative if engine shutoff in air (not a huge deal, low on priority list) same with low power settings when on approach to land
Prim/Sec trim doesnt work ( not a big deal)
Steering Taxi/Take-off and nothing should work. The steering range and sensitivity should be different for the mode youre in
Engine sound glitches when starting the engine as you engage starter (higher on priority list)
Propellers overlap each other on the exterior, two different images
Theres no pink cross on the Artificial Horizon (PFD) unless its a setting that I dont know about on the real airplane...just the wings FD
Autopilot is too jumpy, if I engage the AP, the movements should be slow not jerky
Propeller sounds the same at various power settings in the air (might be tedious to get the sound files needed for this so not super high on the list but would be nice)
I'm getting negative torque values on the ground when stopping (if I recall correctly)
Theres no reverse on the ground (higher on the list), unless im missing something and I just dont know the button
The real aircraft doesnt like to be at low power settings so when im on approach and the power is low, the aircraft should nose down and slow down more, especially on landing