Official Electronic Chart Data of Maritime Safety Administration

The China Maritime Safety Administration is the official electronic chart production service agency designated by the International Hydrographic Organization, with the code CN. Since September 1, 2008, electronic chart data has been publicly distributed to China and foreign countries, and services have been provided through the China Maritime and Navigation Books and Documents Distribution Website (website: www.chart.gov.cn).

Navy version of the official electronic chart data

The naval version of the official electronic charts has seamlessly covered the Chinese sea area, and it fully complies with the inspection and verification requirements of the quality control software and application systems approved by the International Hydrographic Organization (IHO), representing the publication level of China's official electronic chart products.

UKHO electronic chart data

AVCS data issued by the British Hydrographic Office (UKHO). AVCS is formed by UKHO collecting official electronic chart data produced and published by official measurement agencies of various countries around the world.