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 H, Ed. 4.0.1, June 2020, English
- S-11, Part B, Region F, Ed. 4.0.2, June 2020, English
- S-11, Part B, Region 10M, Ed. 4.0.0, June 2020, English
- S-11, Part B, Region J, Ed. 4.0.2, June 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
- S-11, Part B, Region D, Ed. 4.0.2, April 2020, English
- S-11, Part B, Region M, Ed. 4.0.1, April 2020, English
- M-3, English, French, Spanish, March 2020
- P-1, English Novrember 2019
- S-63, Ed. 1.2.1, March 2020, English
- S-65 Annex A, Ed. 1.0.0, January 2020, English
- S-11, Part B, Region E, Ed. 3.0.14, November 2019, English
- S-121, Ed. 1.0.0, October 2019, English
- S-102, Ed. 2.0.0, October 2019, English
- S-11, Part B, Region B, Ed. 3.0.3, October 2019, English
- S-11, Part B, Region L, Ed. 3.0.5, October 2019, English
- B-6, Ed. 4.2.0 October 2019, English/French
- P-7, 2018, Part 1 & 2, Ed.1.0.6, English/French
- S-129, Ed. 1.0.0, June 2019, English
- B-12, Ed. 2.0.2, June 2019, English
- S-11, Part B, Region C1, Ed. 3.0.3, June 2019, English
- S-11, Part B, Region K, Ed. 3.0.1, June 2019, English
- S-5 / S-8, Ed. 2.1.0., May 2019, English
- S-11, Part B, Region I, Ed. 3.0.4, May 2019, English
- P-1, May 2019, English
- S-11, Part B, Region G, Ed. 3.0.5, April 2019, English
- S-122, Ed. 1.0.0, January 2019, English
- S-123, Ed. 1.0.0, January 2019, English
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