While in Maintenance Mode on the MFD, if the L4 button is empty, check the software part number at the top of the page. The last three digits identify the aircraft: -000 Piper PA46, PA34 -002 Piper PA28, PA32, PA44 -100 Cirrus -200 Columbia (Lancair) -500 Aftermarket (with Radar) -502 Aftermarket (without Ra…