Dear Hydrographer,
Please find attached herewith :
CL 17/2017 : CALL FOR APPROVAL OF REVISION 4.7.0 OF IHO PUBLICATION S-4
- CHART SPECIFICATIONS OF THE IHO
Yours sincerely,
IHO
M.MOLLET
THIS CIRCULAR LETTER REQUIRES YOU TO VOTE
IHO File No. S3/4405 CIRCULAR LETTER 17/2017
13 February 2017
CALL FOR APPROVAL OF REVISION 4.7.0 OF IHO PUBLICATION S-4
- CHART SPECIFICATIONS OF THE IHO
References:
A. IHO CL 15/2016 dated 15 March - Adoption of the Revision 4.6.0 of the IHO Publication S-
4 - Chart Specifications of the IHO;
B. IHO CL 08/2017 dated 25 January - Outcome of the eighth meeting of the Hydrographic
Services and Standards Committee (HSSC).
Dear Hydrographer,
1. Following the publication of Edition 4.6.0 of the IHO Publication S-4 - Regulations of the IHO
for International (INT) Charts and Chart Specifications of the IHO (see Reference A), the Nautical
Cartography Working Group (NCWG) has continued to maintain this publication, as directed by its
programme of work and in accordance with section B-160 of the document.
2. At its 8th meeting in November 2016, the Hydrographic Services and Standards Committee
(HSSC) endorsed the changes to Edition 4.6.0 of S-4 proposed by the NCWG and tasked the working
group to finalize the draft revision 4.7.0 and forward it to the IHO Secretariat for circulation to IHO
Member States, for their consideration and approval (see Reference B - action HSSC8/33).
3. The final proposed revision 4.7.0 (English version only) is now available on the IHO website at:
www.iho.int > Standards & Publications > Draft Publications Awaiting Approval by Member States.
The document is supplemented by an explanatory note (English version only) listing the changes
included in the proposed revision and the consequential changes to INT1 - Symbols, Abbreviations and
Terms used on Charts.
4. Member States are requested to take into account the endorsement of the HSSC and to consider
the adoption of Revision 4.7.0 of S-4 by providing their reply on the Voting Form, provided in Annex A,
at their earliest convenience and no later than 15 April 2017.
On behalf of the Secretary-General
Yours sincerely,
Gilles BESSERO
Director
Annex A: Voting Form
Mapping our Seas, Oceans and Waterways - more important than ever
Annex A to
IHO CL 17/2017
IHO File N° S3/4405
S-4 - CHART SPECIFICATIONS OF THE IHO
Approval of Revision 4.7.0
Voting Form
(to be returned to the IHO Secretariat by 15 April 2017)
E-mail:
[email protected] - Fax: +377 93 10 81 40)
Note: The boxes will expand as you type your answers.
Member State:
Contact:
E-mail:
Do you approve the adoption of Revision 4.7.0 of S-4 (tick the appropriate box)?
YES NO
If you answer ‘NO’, please explain your reasons in the comment section below.
Comments:
Signature:
Date: