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
Circle City Airport Circle City Airport Circle City Airport is a state owned, public use airport located in Circle (also known as Circle City), in the Yukon-Koyukuk Census Area of the U.S. state of Alaska. It is also known as Circle City (New) Airport. Scheduled commercial airline service is subsidized by the Essential Air Service program. As per Federal Aviation Administration records, the airport had 303 passenger boardings (enplanements) in calendar year 2008, 377 enplanements in 2009, and 355 in 2010. It is included in the National Plan of Integrated Airport Systems for 2011–2015, which categorized it as a "general aviation" airport (the