
Austin Straubel International Airport (KGRB/GRB) in the United States is a civil airfield primarily supporting VFR traffic at an elevation of 212 meters. It features three runways, including two primary concrete runways 2652 meters long and a pair of shorter asphalt runways. The airport offers various communication frequencies such as approach, ground, and ATIS, making it a well-equipped facility for general aviation and student pilots in the Green Bay area.