This standard specifies the composition, coloring method and chromaticity range of the surface color of visual aids to navigation in sea areas of China. This standard is applicable to all visual aids to aids in the Chinese sea area and its seaports and estuaries connected to the sea. The surface color of inland river visual aids to aids can refer to this standard.
GB 17381-1998 history
2020GB 17381-2020 Regulation for surface colours of the visual aids to navigation
1998GB 17381-1998 The regulation for surface colours of the visual aids to navigation in China