Muse Air MD-82 N930MC for Leonardo's Fly The Maddog X. Muse Air was a short lived regional airline based out of Dallas Love Field (KDAL) in the early 80s. They were aquired by Southwest in 1985, renamed to TranStar airlines and then subsequently folded 2 years later. The correct ICAO code for Muse Air is MCA and their ATC callsign was Muse Air.
To add this livery to MSFS, UNZIP the downloaded zip file, then place the enclosed zip in the ...Documents\Maddog X Files\MSFS 2020\Liveries folder and use the Leonardo Livery Installation Manager tool to install. This plane should have the flat tail, if it's showing up with the tail cone, be sure to select the flat tail from the drop down menu on the Aircraft page in the Installation Manager.
No support will be provided. Please do not request additional liveries.