 Although most U.S. airports use the same three-letter location identifier for the FAA and IATA, Harbor Springs Municipal Airport is assigned MGN by the FAA but has no designation from the IATA (which assigned MGN to Baracoa Regional Airport in Magangué, Colombia).The airport's ICAO identifier is KMGN.Harbor Springs Municipal Airport covers an area of which contains one asphalt runway (10/28)