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
Kansas City International Airport for its Municipal Airport (IATA: ICT, ICAO: KICT) after Kansas City abandoned it. However, Wichita had no luck in changing its IATA designation for the same reasons (including the forbidden "W"). In 2016, Wichita Mid-Continent was renamed Eisenhower National Airport. The downtown Kansas City airport got around the "K" restriction because it was originally called Municipal Airport and so its designation is MKC and for added incentive it was in Missouri. The "W" and "K" restrictions have since been lifted, but the IATA is reluctant to change names that have appeared on navigational charts. The "KCI" designation is also already