Reference

Description

 Downloads

 S-4

Regulations for International (INT) Charts and Chart Specifications of the IHO (English: Edition 4.9.0, March 2021 - Publication date: April 2021)
Reglamento de la OHI para cartas internacionales y especificaciones cartográficas de la OHI (Español: Edición 4.9.0, marzo del 2021 - Fecha de publicación: agosto del 2022)

 English

 Español

 S-4

Associated Documents  (INT 1, INT 2, INT 3):

INT 1 Symbols and Abbreviations used on Paper Charts (current English version, Edition 8, 2020)

(UKHO Terms of Use, Conditions of Release and Disclaimer - See also Other Publications)

 English
 

INT 1 Símbolos, Abreviaturas y Términos Utilizados en las Cartas, (versión española, Edición 7, 2022)

 Español
 

INT 2 Borders, Graduation,Grids and Linear Scales (Edition 4, 2007)
 INT2 Marcos, Graduación, Retículos y Escalas Gráficas (Edición 4, 2007)

 Eng/Esp

INT 3 Use of Symbols and Abbreviations (Edition 1, 2023)

 English
 

For further information on emerging or changing requirements for nautical charts, please consult the – Nautical Cartography Bulletins

 S-5A

Standards of Competence for Category "A" Hydrographic Surveyors (Edition 1.0.2, June 2018)

 English

 S-5B

Standards of Competence for Category "B" Hydrographic Surveyors (Edition 1.0.1, June 2017)

 English

 S-8A

Standards of Competence for Category "A" Nautical Cartographers (Edition 1.0.1, June 2018)

 English

 S-8B

Standards of Competence for Category "B" Nautical Cartographers (Edition 1.0.0, September 2017)

 English

Companion documents :

a) Guidelines for the Implementation of the Standards of Competence for Hydrographic Surveyors and Nautical Cartographers (Edition 2.1.4, August 2023)

b) Frequently Asked Questions (FAQ) (Edition 1.0.2, August 2023)

Please visit this page for templates and additional information on Education and Programme Recognition

English

English

 S-11

Guidance for the Preparation and Maintenance of International (INT) Chart and ENC Schemes and Catalogue of International (INT) Charts
Part A - Guidance for the Preparation and Maintenance of International (INT) Chart and ENC Schemes (Edition 3.1.0, February 2018 - Publication date: February 2018)

 English

Part B - INTernational Chart Web Catalogue, Associated Webservices and User Manuals

• IHO International Charting Regions
• INT Charts/ENC Regions Coordinators (as of 23 January 2024)
• INT Charts/ENCs (S-57, S-101)/S-100 Regional Coordinators (draft version, as of 8 April 2024) ( .doc ; .pdf )

 Link

 S-12

Standardization of List of Lights and Fog Signals (June 2004 - Corrections to June 2006)

 English

 S-23  

 Limits of Oceans and Seas (1953).  Sheet maps 1, 2 and 3

 English

S-23 Component Documents :

• World Chart  - Sheet 1
• Mediterranean  -  Sheet 2
• Indonesia - Sheet 3

Please note: This document, and higher resolution sheet maps, are also available from the IHO, on CD ROM.

 S-32  

 Hydrographic Dictionary (last change 10 July 2023)

 Diccionario Hidrográfico

 水文词典

 Kamus Hidrografi

 Link

 S-32 App1

Hydrographic Dictionary - Glossary of ECDIS Related Terms - Inserted in database version
 Diccionario Hidrográfico - Glosario de Términos relativos al ECDIS

 English

 Español

 S-44

 IHO Standards for Hydrographic Surveys (Edition 6.1.0, October 2022)

 Normas de la OHI para los Levantamientos Hidrográficos (Edición 6, septiembre del 2020)
 Especificações da OHI para Levantamentos Hidrográficos (Edição 6, Setembro de 2020)

 * The Chinese translation of S-44 - IHO Standards for Hydrographic Surveys, is kindly provided by the China Maritime Safety Administration.

 English

 Chinese *

 Español

 Português

 S-49

 Standardization of Mariners' Routeing Guides (Edition 2.1.0, September 2020)

 English

 S-52

 See Note 2

Specifications for Chart Content and Display Aspects of ECDIS (Edition 6.1(.1), October 2014 - with Clarifications up to June 2015)

 Annex A to S-52 - IHO ECDIS Presentation Library   (Edition 4.0(.3), October 2014 - with Clarifications up to December 2020)

 English

 S-52 Component Documents:

• Annex A, Addendum - Symbol Library for Use on ECDIS (with clarifications up to December 2020) - English
• Appendix 1 - Guidance on Updating the Electronic Navigational Chart (Edition 4.0.0, April 2012) - English

 S-53

Joint IMO/IHO/WMO Manual on Maritime Safety Information (January 2016)

 Manual conjunto OMI/OHI/OMM relativo a la Información sobre Seguridad Maritima (2016)

-----------------------------

Appendix 1 List of NAVAREA and Sub-Area Coordinators- Operational points of contact (see COMSAR Circ 58)

 English

 Español

 English

 S-57

IHO Transfer Standard for Digital Hydrographic Data (Edition 3.1.0, November 2000) - Main Document

 English

 S-57 Component Documents:

• Appendix A, Chapter 1 - Object Catalogue - English
• Appendix A, Chapter 2 - Attribute Catalogue - English
• Appendix A, Annex A - Data Producer Codes - Deleted (replaced with S-62)
• Appendix A, Annex B - Attributes/Object Classes Cross Reference - English
• Appendix B.1 - ENC Product Specification - English
• Appendix B.1, Annex A - Use of the Object Catalogue for ENC - UOC (Ed. 4.3.0, October 2022) - English
• Appendix B.1, Annex B - Examples of CRC Coding - English
• Appendix B.1, Annex C - Recommended ENC Validation Checks - Deleted (replaced with S-58)
• Appendix B.1, Annex D - INT1 to S-57 Cross Reference - English
• Appendix B.2 - IHO Object Catalogue Data Dictionary Product Specification - English
• Cumulative Maintenance Document No 8  (March 2002) - List of Clarifications, Corrections and Extensions for S-57 publications - English
• S-57 Supplement No 3 to Edition 3.1 (June 2014 - incorporates the former Supplement No 2) - English
• For further information on data encoding, please consult the FAQs and Encoding Bulletins

 NOTE: The IHO standard S-57 contains the outdated terms, Master and Slave. These terms were widely use within computing when the standard was first published. However, the IHO have recognised these terms are no longer acceptable, and all future IHO standards will no longer reference them. For backwards compatibility and to avoid any unintended consequences the IHO will not update the current edition of S-57 to modify any of the language used.

 S-58

 ENC Validation Checks (Edition 7.0.0, October 2022)

 NOTE: The IHO standard S-58 contains the outdated terms, Master and Slave. These terms were widely use within computing when the standard was first published. However, the IHO have recognised these terms are no longer acceptable, and all future IHO standards will no longer reference them. For backwards compatibility and to avoid any unintended consequences the IHO will not update the current edition of S-58 to modify any of the language used.

 S-58 Associated References:

• S-58 Edition 7.0 Test Datasets

 English

 S-60

 User´s Handbook on Datum Transformations involving WGS 84 (July 2003 - Last correction August 2008)

 English

 S-61  

 Product Specification for Raster Navigational Charts (RNC) (January 1999)

 English

 S-62

 List of IHO Data Producer Codes (current edition)

 Cumulative list of changes to S-62 (last change 05 March 2024)

English - PDF

Database Link

English

 S-63

 See Note 4

 IHO Data Protection Scheme (Edition 1.2.1, March 2020)

 English

 S-63 / S-100 Security Scheme documents (listed below) are available from the Security Scheme Page.

These documents include:

• Annex A - Data Server Certificate Request Procedure (Data Server Agreement and Data Server Request Form)
• Annex B - Manufacturer Information Request Procedure (OEM Agreement and OEM Request Form)
• Appendix 1 - Test Data Set
• Test definitions and scripts
• S-63 Scheme Administrator Certificate
• ENC Signature Service - User Manual
• S-63 Guidance Notes

LINK

 S-64

 See Note 2

 IHO Test Data Sets for ECDIS (Edition 3.0(.3), December 2020)

 English

 S-65

 ENCs: Production, Maintenance and Distribution Guidance (Edition 2.1.0, May 2017)
 ENCs : Guía de Producción, Mantenimiento y Distribución (Edición 2.1.0, Mayo 2017)

 English

 Español

 S-65 Annex A

 High Density (HD) ENC Production and Maintenance Guidance (Edition 1.0.0, January 2020)

 English

 S-57 ENC to S-101 Conversion Guidance (Edition 1.2.0, April 2024) 

 NOTE:  S-65 Annex B Edition 1.2.0 is released for implementation and testing purposes only.

 S-66

 Facts about Electronic Charts and Carriage Requirements (Edition 1.1.0, January 2018)

 English

 Japanese

 Related IMO Circulars:

• IMO MSC.1/Circ.1503 (as amended): ECDIS – Guidance for Good Practice - English    Japanese
• IMO STCW.7/Circ.24 (as amended): INTERNATIONAL CONVENTION ON STANDARDS OF TRAINING, CERTIFICATION AND WATCHKEEPING FOR SEAFARERS (STCW), 1978, AS AMENDED - Guidance for Parties, Administrations, port State control authorities, recognized organizations and other relevant parties on the requirements of the STCW Convention, 1978, as amended - English    Japanese
• IMO SN.1/Circ.213: Guidance on Chart Datums and the Accuracy of Positions on Charts - English    Japanese
• IMO SN.1/Circ.255: Additional Guidance on Chart Datums and the Accuracy of Positions on Charts - English    Japanese

 Japanese translation of S-66 and associated IMO Circulars is provided courtesy of the Japan Hydrographic Association (JHA).

 S-67

 Mariners’ Guide to Accuracy of Depth Information in Electronic Navigational Charts (ENC) (Edition 1.0.0, September 2020)

Guía de los Navegantes sobre la Exactitud de las Cartas Náuticas Electrónicas (ENC) (Edición 1.0.0, septiembre 2020

 * The Chinese translation of S-67 - Mariners’ Guide to Accuracy of Depth Information in Electronic Navigational Charts (ENC), is kindly provided by the China Maritime Safety Administration.

 English

 Chinese *
 

Español

 S-68

 Guidelines and Recommendations for Hydrographic Offices for the Allocation of CATZOC/QOBD Values from Survey Data (Edition 1.0.0, July 2023)

 English

 S-97

 IHO Guidelines for Creating S-100 Product Specifications (Edition 1.1.0, June 2020)

 Link

English

Chinese

 Data Product Interoperability in S-100 Navigation Systems (Edition 1.0.0, May 2022)

 NOTE:  S-98 Edition 1.0.0 is released for implementation and testing purposes only.

 S-98 Component Documents:

• Part A - Level 1 Interoperability - English
• Part B - Level 2 Interoperability - English
• Part C - Level 3 Interoperability - English
• Part D - Level 4 Interoperability - English
• Annex A - Operational Contexts, Scenarios and Use Cases - English
• Annex B - Validation Checks - English
• Annex C - Harmonised User Experience for ECDIS and INS - English

 S-99

 Operational Procedures for the Organization and Management of the IHO Geospatial Information Registry (Edition 2.0.0, October 2022)

 English

Chinese

 S-100

 IHO Universal Hydrographic Data Model (Edition 5.1.0, October 2023)

 S-100 based Product Specifications

 xml schemas

 Please note: the S-100 (Part 15) Security Scheme applications document for OEMs and Data Servers are available from the Data Protection Scheme

 S-100 based Product Specifications may be based on a previous Edition of S-100. For reference, previous Editions of S-100 are available here:

• IHO Universal Hydrographic Data Model (Edition 1.0.0, January 2010) - English
• IHO Universal Hydrographic Data Model (Edition 2.0.0, June 2015)      - English
• IHO Universal Hydrographic Data Model (Edition 3.0.0, April 2017)       - English
• IHO Universal Hydrographic Data Model (Edition 4.0.0, December 2018) - English
• IHO Universal Hydrographic Data Model (Edition 5.0.0, December 2022) - English

 English

 Link

 Link

 Link

 IHO Registry

 IHO Geospatial Information (GI) Registry

 The IHO GI Registry is an online resource that comprises several Registers which contain organised lists of hydrographic related information

 Link

 IHO S-100 based Product Specifications (S-1XX):

 S-101

 ENC Product Specification (Edition 1.2.0, March 2024)

 Link

 S-102

 Bathymetric Surface Product Specification (Edition 2.2.0, April 2023)

 Link

 S-104

 Water Level Information for Surface Navigation Product Specification (Edition 1.1.0, March 2023)

 Link

 S-111

 Surface Currents Product Specification (Edition 1.2.0, April 2023)

 Link

 S-121

 Maritime Limits and Boundaries Product Specification (Edition 1.0.0, October 2019)

 Link

 S-122

 Marine Protected Areas (Edition 1.0.0, January 2019)

 Link

 S-123

 Marine Radio Services (Edition 1.0.0, January 2019)

 Link

 S-127

 Marine Traffic Management (Edition 1.0.0, December 2018)

 Link

 Link

English

Chinese

 S-129

 Under Keel Clearance Management (Edition 1.1.0, November 2023)

 Link

 S-130

 Polygonal Demarkations of Global Sea Areas (Edition 1.0.0, April 2023)

 Link

 S-131

 Marine Harbour Infrastructure (Edition 1.0.0, April 2023)

 Link

 A complete list of all S-100 based Product Specifications, including Product Specifications in development and published, is maintained here

 Please note: S-121, S-124, S-128, S-130 and S-131 Edition 1.0.0; S-104 and S-129 Edition 1.1.0; S-101 and S-111 Edition 1.2.0; and S-102 Edition 2.2.0 Product Specifications are released for implementation and testing purposes only.

 IHO Test Data Sets in ECDIS - Instruction Manual for the Use of IHO Test Data Sets in ECDIS (Edition 1.0.0, March 2023)

 Please note: S-164 Edition 1.0.0 is released for implementation and testing purposes only.