Technical Circular No :117/2017

Subject: Liberia Marine Safety Advisory on ECDIS requirements to meet updates from 01 September 2017.

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  • Shipboard electronic chart display and information system (ECDIS) is required to meet requirements of 4.0 version of International Hydrographic Organization (IHO) display and testing standards by 31st August 2017.
  • In the view of upcoming Concentrated Inspection Campaign (CIC) for safety of Navigation which will be commencing from 1st September 2017 by Tokyo and Paris MOU; Republic of Liberia has issued Marine Safety Advisory No.08/ 17, where company is unable to meet the requirement till 31st August due to following:

a) Incompatibility between the on board ECDIS and the update.

b) Lack of availability of technician in undertaking the updates; and

c) Updated ECDIS units displaying incorrect information.

  • In above cases the Administrator will consider on case to case basis, authorization to continue use of installed ECDIS, provided the performance of ECDIS is maintained. The administration will issue an authorization, on submission of following.

1. The vessel operator has contacted the manufacturer/service company well in advance and service company/ manufacturer has confirmed that update or replacement of ECDIS unit. 

2. The ship has been provided with charts and publication in compliance with the regulation 27 of SOLAS chapter V.   OR

Confirmation from manufacturer/service provider of ECDIS that performance of the fitted ECDIS is maintained until upgrade completed and poses no  risk to safe navigation and meets requirement.

3. Port state authorities have been informed.

4. Confirmation letter from manufacturer/ service provider of ECDIS along with document  available on board.

  • Ship owners / operators and masters are advised to be guided by above.


  1. Republic of Liberia Marine Safety Advisory (MSA no. 8/17)


This Technical Circular and the material contained in it is provided only for the purpose of supplying current information to the reader and not as an advice to be relied upon by any person. While we have taken utmost care to be as factual as possible, readers/ users are advised to verify the exact text and content of the Regulation from the original source/ issuing Authority.

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