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
Coventry Airport In February 2004 the airport lease was sold to TUI AG, which started scheduled international flights from a temporary passenger terminal building in March 2004 under the brand Thomsonfly using two Boeing 737s. The operation drew vociferous opposition from environmental campaigners, some local residents and Warwick District Council, but was supported by Coventry City Council. Warwick District Council unsuccessfully sought an injunction to stop flights, claiming that the temporary facilities were built without planning permission. Flights expanded through the following years, while the airport sought planning permission for a permanent passenger terminal and facilities. Thomsonfly expanded operations with more European