Berlin Tegel Airport is notable for its hexagonal main terminal building around an open square, which makes walking distances as short as from the aircraft to the terminal exit. The airport was scheduled to close in June 2012 after Berlin Brandenburg Airport (BER) opened, but due to ongoing delays with BER, the future of Tegel is uncertain. A campaign was launched to keep Tegel Airport open, which gathered signatures for a referendum for voters to decide on the future of the airport. While the referendum was non-binding, it did result in a majority of votes cast in favor of keeping Tegel open and
Billy Bishop Toronto City Airport drew criticism from TPA critics such as Adam Vaughan, charging "the port authority is putting together a "feel-good story" to prevent people from asking tough questions about how the island airport is governed." On November 10, 2009, after approval from Transport Canada, the TPA officially renamed the airport to "Billy Bishop Toronto City Airport". It is the second airport in Canada, after Owen Sound Billy Bishop Regional Airport, to be named for Bishop. The airport continued to be listed in aeronautical publications and weather reports as Toronto City Centre Airport, until February 11, 2010. In the September 17, 2009, "La