Sun-Air (EZ, Billund) is reportedly considering launching a London City to Hamburg Helmut Schmidt route, the airline's commercial director, Kristian Tvergaard, has told Danish aviation magazine, According to Mr Tvergaard, the airline is still studying the route's potential and has not yet taken a firm decision as yet. As a British Airways (BA, London Heathrow) franchisee, the Danish airline has successfully operated a London City to Billund route over the past several years using its fleet of three Do328-100s and ten Do328-300s. Air Berlin (AB, Berlin Tegel) has also been studying the possibility of operating modified A319-100s to London City.