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
Billy Bishop Toronto City Airport known as City Express. From 1984 until 1991, City Express continued and expanded its operations at the airport, peaking at 400,000 passengers annually in the mid-1980s. In 1990, Air Ontario (later to become Air Canada Jazz) started operating regional airline service to Ottawa and Montreal. That year, City Express folded in bankruptcy. In 1994, Jazz built a new terminal, moving out of trailers. That year, the airport was renamed the Toronto City Centre Airport. The Toronto Harbour Commission made plans to expand the airport so as to achieve self-sufficiency, as it was dependent on subsidies from the City of Toronto