FSX/Prepar3D – Mackinaw City Municipal Airport (5DM), Michigan (MI), USA. Mackinaw City is a village in Emmet and Cheboygan counties in the U.S. state of Michigan. The population was 806 at the 2010 census; the population surges during the summer tourist season with the influx of seasonal workers who labor in the shops, hotels and other recreational facilities there and in the surrounding region. Mackinaw City is at the northern tip of the Michigans Lower Peninsula along the southern shore of the Straits of Mackinac. This new airport does not exist in FSX default scenery. Installer and pics inside. By Fernando Angel Gonzalez.