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
Budaörs Airport Budaörs Airport Budaörs Airport (), is an airport located to the south-west of Budapest, Hungary. Now serving general aviation, it was once Hungary's only international airport. Until the opening of Budaörs, Budapest's main airport was Mátyásföld Airfield (), east of Budapest. This was a very small airfield, and a replacement was established at Budaörs, at the south-western limit of Budapest's city boundary. Half of the airfield is within the city boundary, and half in Budaörs, in Pest County. Planning for the airport started in 1935, and in 1936 design competitions for the terminal and main hangar were held. Construction started