Technical Circular No:56/2018

Subject: RMI ship security advisory reg. Guidance provided by Combined Maritime Forces on Maritime Security Transit Corridor.

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  • Republic of Marshall Islands has issued ship security advisory no. 07-18 informing about Guidance provided by Combined Maritime Forces (CMF) on Maritime Security Transit Corridor.
  • Combined Maritime Forces (CMF) is a multi-national naval partnership founded in 2002; to promote security, stability and prosperity across approximately 3.2 million square miles of international waters mainly focusing on defeating terrorism, preventing piracy, encouraging regional cooperation, and promoting a safe maritime environment.
  • Recent attacks against merchant shipping in the Gulf of Aden and Bab Al Mandeb have highlighted the risks associated with transiting these waters. The Combined Maritime Forces has established a Maritime Security Transit Corridor (MSTC) to protect merchant ships navigating in these regions.
  • The purpose of MSTC is to provide a recommended merchant traffic route around which multi-national Naval Forces can focus their presence and surveillance efforts. The MSTC consists of:
  1. The Internationally Recommended Transit Corridor (IRTC)
  2. The BAM Traffic Separation Scheme (TSS) and the TSS West of the Hanish Islands
  3. A two-way route directly connecting the IRTC and the BAM TSS
  • Ship Owners and operators are advised to take note of above and be guided by attached guidance.


  1. Republic of Marshall Islands Ship Security Advisory No. 07-18


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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