IHO Publications

The IHO Publications are arranged under the following groups:

    B - Bathymetric Publications (Mainly related to GEBCO).
    C - Capacity Building Publications
    M - Miscellaneous Publications (including Basic Documents)
    P - Periodic Publications
    S - Standards and Specifications

    Other Publications
    Draft Publications

Almost all IHO publications can be downloaded free of charge. Some publications, however, are subject to restricted access and are indicated by this symbol

Recent Publications
The following documents were published recently:

• S-11 Part B, Region F, 4.0.8, April 2022, English
• S-104, Ed. 1.0.0, August 2021, English
• M-3, English, French, Spanish, April 2022
• S-11, Part B, Region D, Ed. 4.0.4, March 2022, English
• S-67, Ed. 1.0.0, September 2020, Chinese
• S-11, Part B, Region B, Ed. 4.0.2, February 2022, English
• S-11, Part B, Region J, Ed. 4.0.5, February 2022, English
• S-11, Part B, Region M, Ed. 4.0.3, February 2022, English
• S-11 Part B, Region E, Ed. 4.0.3, February 2022, English
• S-44, Ed. 6.0.0, September 2020, Portuguese
• S-4 Ed. 4.9.0, October 2021, French
• S-11 Part B, Region G, Ed. 4.0.5, September 2021, English
• S-11 Part B, Region H, Ed. 4.0.4, July 2021
• S-44, Ed. 6.0.0, September 2020, Chinese
• P-7, 2020, Part 1 & 2, Ed.1.0.8, Spanish
• P-7, 2020, Part 1 & 2, Ed.1.0.8, English/French
• S-11, Part B, Region 10M, Ed. 4.0.1, June 2021, English
• S-11, Part B, Region K, Ed. 4.0.3, April 2021, English
• S-4, Ed. 4.9.0, March 2021, English
• S-64, Ed. 3.0(.3), December 2020, English
• S-52 Annex A, Ed. 4.0 (.3), December 2020, English
• S-44, Ed. 6.0.0, September 2020, French
• P-6, November 2020, English
• B-12, Ed. 2.0.3, January 2021, French
• S-65 Annex A, Ed. 1.0.0, January 2020 (translation January 2021), French
• B-6, Ed. 4.2.0 December 2020, English/Portuguese
• INT1, Symbols and Abbreviations used on Paper Charts, Ed. 8, 2020, English
• M-1, Ed 2.1.1, October 2020, English, French
• S-44, Ed. 6.0.0, September 2020, English
• S-49, Ed. 2.1.0, September 2020, English
• S-67, Ed. 1.0.0, September 2020, English
• S-97, Ed 1.1.0, June 2020, English
• C-51, Ed. 6.0.0, May 2020, English 
• S-57 Appendix B.1, Annex A, Ed. 4.2.0, April 2020, English
• B-12, Ed. 2.0.3, January 2020, English
• S-63, Ed. 1.2.1, March 2020, English
• S-65 Annex A, Ed. 1.0.0, January 2020, English

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