Saarbrücken Airport July 2014 it was reported that Zweibrücken Airport had filed for bankruptcy due to illegal subsidies as it is too close to Saarbrücken Airport, which has been in existence for much longer. After Hapagfly left, Air Berlin opened routes from Saarbrücken to Palma de Mallorca and Berlin–Tegel Airport, but it ceased flying in 2017. Additionally, Luxair has made Saarbrücken Airport its secondary hub due to its proximity to Luxembourg. Saarbrücken Airport handled 452,314 passengers in 2011. Due to Zweibrücken Airport's financial difficulties, TUIfly announced that their seasonal base would be relocated from there to Saarbrücken Airport from summer 2015. Other
Knox County Regional Airport operated by the City of Rockland until 1968. It was then turned over to Knox County and renamed "Knox County Regional Airport". Since that time, the airport has been developed, the runways expanded, and an Instrument Landing System (ILS) was installed. Knox County Regional Airport covers an area of 538 acres (218 ha) at an elevation of 56 feet (17 m) above mean sea level. It has two asphalt paved runways: 13/31 is 5,007 by 100 feet (1,526 x 30 m) and 3/21 is 4,000 by 100 feet (1,219 x 30 m). For the 12-month period ending July 31, 2010,