Berlin Tegel Airport notable, non-fatal incidents involving airline operations occurred at Tegel. These include commercial flights that were about to depart or had actually departed/arrived as well as unscheduled stopovers: There were also two Cold war era incidents relating to an American and a British airliner that had departed Tegel on international non-scheduled passenger services. Both of these occurred in Bulgarian airspace. The former was a charter flight carrying German holidaymakers to the Bulgarian Black Sea coast, the latter a migrant charter en route to Turkey: Berlin Tegel Airport Berlin Tegel "Otto Lilienthal" Airport () is the main international airport of Berlin, the
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,