Alpena County Regional Airport — Alpena, United States

On the shore of Lake Huron in northeastern Michigan, Alpena County Regional Airport carries the code APN and sits at 690 feet above sea level with two runways in operation. The airport supports a mix of general aviation and subsidized scheduled passenger flights under the federal Essential Air Service program common at small Michigan airports. Alpena County owns and manages the facility, which also shares its runways with an Air National Guard combat readiness training center located on the same grounds, a dual civilian-military arrangement found at several regional airports across Michigan's northern Lower Peninsula. This setup gives APN flexibility to handle both training exercises and everyday commercial arrivals throughout the year.