Kjeller Pk X-1 Helicopter Editorial Image

Kjeller pk x-1 was a two-seater helicopter developed by Kjeller aircraft factory under the direction of civil engineer paul kjølseth and was regarded as a purely experimental helicopter, pk x-1 flew for the first time in 1955, the pictures are shot in march 2013 by norwegian armed forces aircraft collection which is a military aviation museum located at gardermoen, north of oslo, norway.