The documents you find on this wiki site are "works in progress", they are in the process of being drafted and do not represent official statements either of the IHO or of the member states represented by the participants in this group.
The official IHO Downloads page is the repository for completed standards which are approved by member states.
The key output from the S-121 project team is the S-121 standard itself. This is a product specification meeting the requirements set out in IHO S-100. The current editor's draft version of the standard together with supporting documents are held below.
|S-121 Cover Page||Cover Page||3.0||12th June 2017|
|S-121 Draft Overview||Draft Overview||3.0||17th April 2017|
|S-121 Draft Product Specification||Draft Product Specification||3.0||17th April 2017|
|S-121 Draft S-121 Encoding||Encoding||-||-|
|S-121 Feature Model||Feature Model||-||10th May 2017|
|MLB Features||Features - Diagram||-||-|
Schema in Enterprise Architect format
An HTML version of the S-121 / MLB feature model is now available from the following link.
The Enterprise Architect model will be available soon.
Derivation from ISO 19152
Derivation from S-100 to S-121
Core Feature Objects and Code Lists
Files held in this wiki
- Filelist - List of all files held within this wiki. In general files should be included as links in the appropriate wiki page.