Air Berlin is based in Berlin. They also fly from Cologne, Dusseldorf
By 2014 it's a totally different airline - 2009 fleet update
In 2003 Air Berlin had a fleet of some 32 Boeing 737-800 with winglets, 5 Boeing 737-400 and 4 Boeing 737-700.
They fly between Germany and holiday destinations in Spain, Greece and Italy.
In 2009 the airline had a new livery.
2747.com - Up