Contour Airlines is a regional airline based in Smyrna, Tennessee, United States. It started operations in 1982 as an on-demand charter service for passengers and freight in the southern United States, as well as a full-service fixed-base operation and Federal Aviation Administration certificated repair station. Its main base is Smyrna Airport. Contour Airlines shares management and ownership with Contour Aviation, which provides charter (Part 135), aircraft management, sales, government services, and maintenance, repair and overhaul (MRO) services. - Source: Wikipedia