Collegedale Municipal Airport (ICAO: KFGU, FAA LID: FGU, formerly 3M3) is a city-owned, public-use airport located two nautical miles (4 km) southeast of the central business district of the Collegedale, a city in Hamilton County, Tennessee, United States. Collegedale Municipal is one of the busiest general aviation airports in the state of Tennessee with an average of 120 aircraft stationed there. It won the Tennessee Aeronautics Commission's "Airport of the Year" award in 2003. The airport does not provide scheduled commercial service. However, charter service is provided by Aviation Specialists, Inc., a private company located at the airport, that offers flight instruction and a banner towing operation. This airport is assigned a three-letter location identifier of FGU by the Federal Aviation Administration, but it does not have an International Air Transport Association (IATA) airport code (the IATA assigned FGU to Fangatau Airport in French Polynesia).