Spitfire Mk XVIII starts its' engine. 100 years of Norwegian aviation was celebrated with an airshow at Rygge Airbase. May 5th 1909, Norsk Luftseiladsforening, the predecessor of the Norwegian Air Sports Federation, was founded, and became the start of organised aviation and air sports in Norway. Since then there's been major developments within military and civilian aviation, as well as within the various air sports activities. .©Fredrik Naumann/Felix Features.