This is a repaint and new livery for the MSFS ATR 72-600.
Based on Littoral Airlines textures, especiallly customised for the eponymous virtual airline that anyone is welcome to join if interested.
Please check out on your preferred search engine for more details.
Info : Littoral Airlines is a french virtual airline based in Montpellier Mediterrannée (LFMT) wich makes revive and maintain alive on Internet former real life sunny "Air Littoral" company colours and history, after the airline declared bankrupt in 2003.
Painted by Pierre-Yves Andriet.