Berlin Tegel Airport used the airport as a diversion airfield before. Initially, all British Airways services from Tegel—with the exception of the daily non-stop service to London Heathrow—continued to be operated by BAC One-Eleven 500s. The daily London–Heathrow non-stop was operated with Hawker Siddeley Trident 2E/3B equipment based at that airport until the end of the 1975 summer season. (It subsequently reverted to a One-Eleven 500 operation.) From 1983, British Airways began updating its Berlin fleet. This entailed phasing out the ageing One-Elevens, which were replaced with new Boeing 737-200 Adv. During the second half of the 1980s, British Airways augmented its Berlin
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