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-158:101, Ed. 1.1.0, February 2026, English
• S-11 Part B, Region D, Ed. 4.0.12, February 2026, English
• S-11 Part B, Region E, Ed. 4.0.15, February 2026, English
• S-11 Part B, Region F, Ed. 4.0.13, February 2026, English
• S-11 Part B, Region G, Ed. 4.0.11, February 2026, English
• S-11 Part B, Region H, Ed. 4.0.10, February 2026, English
• S-11 Part B, Region J, Ed. 4.0.9, February 2026, English
• S-11 Part B, Region M, Ed. 4.0.7, February 2026, English
• S-100, Ed. 5.2.1, December 2025, English
• S-158:102, Ed. 1.0.0, December 2025, English
• S-158:130, Ed. 1.1.0, October 2025, English
• S-130, Ed. 2.0.0, October 2025, English
• S-98, Ed. 2.0.0, October 2025, English
• S-65 Annex B, Ed. 2.0.0, October 2025, English
• S-64:100, Ed. 4.0 (.0), October 2025, English
• S-52 Annex A:100, Ed. 5.0(.0), October 2025, English
• S-44, Ed. 6.2.0, October 2024, Chinese, French, Spanish
• S-124, Ed. 2.0.0, March 2025, English
• S-128, Ed. 2.0.0, March 2025, English
• M-3, English, French, Spanish July 2025
• S-11 Part B, Region D, Ed. 4.0.10, July 2025, English
• S-11 Part B, Region E, Ed. 4.0.12, July 2025, English
• S-11 Part B, Region K, Ed. 4.0.5, July 2025, English
• S-11 Part B, Region F, Ed. 4.0.9, July 2025, English
• S-68, Ed 1.1.0, March 2025, English
• S-158, Ed 1.0.0, February 2025, English
• S-158:98, Ed 1.0.0, February 2025, English
• S-158:100, Ed 1.0.0, February 2025, English
• S-158:130, Ed 1.0.0, March 2025, English
• S-65 Annex C, Ed. 1.0.0, May 2025, English
• S-44, Ed. 6.2.0, October 2024, English
• S-52 Annex A, Ed. 4.0(.4), October 2014 (with clarifications up to March 2025), English
• S-158:101, Ed. 1.0.0, January 2025, English

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