HEINRICH C. HORN.

The house flag is horizontally blue over red with a white H over both colours. Larousse Commercial Illustré describes the H as one-third of the flag’s height and the funnel as black with the flag forming a band. H96 was also used by the later Horn-Linie. The letter’s size varies between illustrations and funnel photographs: Rosanoski favours the normal-sized H but doubts that the differences had significance, suggesting funnel width as an explanation.

For the post-war Heinz Horn flag, Rosanoski considers the red band in H589 too wide compared with its cited marcollect source. He favours approximately half the field, as represented by H590: the US Navy version is slightly wider, while Flaggen & Schornsteine 1957 and Esso 1958 are slightly narrower. The funnel illustrations nevertheless show broad red bands.

NJK shows H590 on vessels with Cap- names used by Hamburg Sudamerika or Rudulf Oetker, attributing the livery to Horn Line.