Are Magic Valley Regional Airport and Houghton County Memorial Airport both public use airports?
Houghton County Memorial Airport Houghton County Memorial Airport (IATA: CMX, ICAO: KCMX, FAA LID: CMX) is a county owned public use airport located four nautical miles (5 mi, 7 km) southwest of the central business district of Calumet, a village in Houghton County, Michigan, United States. The airport is situated in the unincorporated community of Oneco in Franklin Township, near the village of Calumet on the Keweenaw Peninsula in northwest of the Upper Peninsula of Michigan. A limited scheduled commercial service is available, subsidized by the Essential Air Service program. In addition, Royale Air Service provides a seaplane service to Isle Royale National Park depending on traveler demand.
Miller–Sparta Airport Paul C. Miller–Sparta Airport (FAA LID: 8D4) is a public airport located 3 mi (5 km) southeast of Sparta, Michigan. Established in 1941, the airport is currently owned and operated by the Village of Sparta and is self-supporting, requiring no public funding. 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 general aviation facility.