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                                    Answer» What is Grantsburg Municipal Airport mean?  Grantsburg Municipal Airport (IATA: GTG, ICAO: KGTG, FAA LID: GTG) is a public use airport located two nautical miles (3.7 km) northeast of the central business district of Grantsburg, a village in Burnett County, Wisconsin, United States. It is owned by the Village of Grantsburg. It is included in the Federal Aviation Administration (FAA) National Plan of Integrated Airport Systems for 2021–2025, in which it is categorized as a basic general aviation facility.  reference 
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