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Internationl Hydrographic Organization
  • About IHO
    • About
    • Staff
    • Member States
    • Basic Documents
    • Circular Letters
    • Assembly
    • Council
    • IHO-Singapore Lab
    • Finance Information
    • IHO Strategic Plan and Work Programme
    • External Liaisons
    • IHO Disclaimer
    • Spanish Content
    • Contact
  • Inter-Regional Coordination
    • Inter-Regional Coordination Committee (IRCC)
    • Regional Hydrographic Commissions (RHCs)
    • Capacity Building & Technical Cooperation
    • Education & Programme Recognition
  • Services & Standards
    • Hydrographic Services & Standards Committee (HSSC)
    • Scope of Standardization Activities
    • ENC & ECDIS
    • S-100 Universal Hydrographic Data Model
  • Publications
    • Index of IHO Publications
    • International Hydrographic Review
    • IHO Bulletin
    • IHO Online Catalogues
  • Events & News
    • IHO 100 Years
    • IHO Meetings & Events Calendar
    • Online Registration
    • News
    • Monthly Brief Meeting Reports
    • Social Media
DOCUMENT ARCHIVE

Hydrographic Services and Standards

HSSC

  • Basic Committee Documents
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  • HSSC14 (2022)
  • HSSC13 (2021)
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  • HSSC11 (2019)
  • Miscellaneous
    • S-130 PT
      • Basic S-130PT Documents
      • S-130PT1
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  3. HSSC Circular Letters

HSSC Circular Letters

No

Posted Date (Deadline)

Subject

2022
     
CL03 28 April 2022
(1 July)
Call for endorsement of proposed new and revised IHO Resolutions (proposed by the Tides, Water Level and Currents Working Group (TWCWG))
CL02 22 April 2022 Announcement of the Publication of Ed.1.0.0 of S-104 Product Specification – Water Level Information for Surface Navigation
CL01 10 Jan 2022
(1 March)
Call for HSSC Approval of New Product Specification S-104 Ed. 1.0.0
2021
Nil    
2020
CL03 6 May  HSSC guidance about business continuity and preparation of HSSC-12
CL02 6 May (3 July) Call for HSSC endorsement of draft Editions of S-44 Ed. 6.0.0, S-67 Ed. 1.0.0 and S-49 Ed. 2.1.0
CL01 7 April HSSC Business Continuity and Preparation of HSSC-12

2019

CL04 (30/10)   Announcement of Publication of the first edition of S-121 - Maritime Limits and Boundaries
CL03 (16/07)   Call for commnents on version 1.7.0 of the Draft 6th Edition of the IHO Publication S-44
CL02 (31/05)   HSSC Comments on the IHO Future Strategic Plan Drafted by SPRWG
CL01 (13/02)   Publication of the first edition of New S-100 Based Product Specifications

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Last modified: 28/04/2022 - 12:28

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