NIHON YUSOSEN K.K.

The yellow or buff funnel has a narrow black top and a blue lifebelt enclosing a blue T. Watt explains T as Tanker and the lifebelt as an adaptation of a Japanese mon.

The white flag with blue lifebelt and T was initially presented with doubts over the rival red version. Watt’s correction of 23 June 2002 identifies the blue flag as an error: the emblem should be red.

The corrected flag is white with a red lifebelt and red T.