Remarks: This is a special modified version of the Do-228-200 for Polar expeditions it was operated by the Alfred Wegener Institute of Polar and Marine Research, now preserved at the Dornier-Museum at Friedrichshafen Airport.
Remarks: Used to fly with the Alfred Wegener Institue for Polar Research, hence the skis and the name "Polar 4". Now part of the Dornier Museum collection.