Mannheim City Airport Berlin-Tegel, shortly before filing bankruptcy. Cirrus Technik also operated a maintenance facility for Dornier Do 328 turboprop aircraft, which moved to Saarbrücken at the end of 2009. Due to its problematic geographical location, an extension of the airport has become impossible, preventing modern regional jets, such as the Canadair Regional Jet or the Embraer 145, from operating from MHG. With the introduction of the new JAR-OPS 2 regulation, strict weight restrictions have been imposed, allowing only smaller and lighter airplanes to land at MHG. From 2014 on, even tighter restrictions from EASA will become effective in Europe, which will probably
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,