

Mitchell indicates a lighter blue funnel. Brown 1951 appears to interchange this company’s livery with Jugoslavenska Slobodna Plovidba, showing a red flag with a white diamond reaching the edges and red star. Later sources give blue, still with an edge-to-edge diamond that Rosanoski considers questionable. He leaves open whether the original red represented an error or a change.
Željko Heimer’s Nüsse-based flag is more elongated, interpreted as 1:2.