Private jet charters and flights to Grosseto Air Base Grosseto Air Base, which is sometimes referred to as Grosseto Airport, is a military air base in Italy used by the Italian Air Force but is classified as a joint use facility. The airport has two runways and a small terminal for use by charter flights and private aircraft. The airport is ideal for private jet users who wish to travel to Tuscany. Located just 3 km west of Grosseto, Grosseto Air Base is far more convenient than alternative commercial airports in the area. The airport’s operating hours are from dawn until dusk, seven days a week.