St. Clair County International Airport is a public airport owned by the government of St. Clair County, Michigan, United States. It is located in Kimball Township, five miles (8 km) southwest of the central business district (CBD) of Port Huron. It is included in the Federal Aviation Administration (FAA) National Plan of Integrated Airport Systems for 2017–2021, in which it is categorized as a regional reliever airport facility.FacilitiesSt. Clair County International Airport covers 1135acre and has two runways: Runway 4/22: 5,103 x 100 ft. (1,555 x 30 m), Surface: Asphalt Runway 10/28: 4,001 x 75 ft. (1,220 x 23 m), Surface: AsphaltAdditional information Adjacent to the airport is an 80acre Michigan Certified Business Air Industrial Park. Agents for U.S. Customs and Border Protection and the Department of Agriculture are available 24 hours a day for customs and international flights into the United States.
