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Routing Measures for the Aleutian Islands Adopted by the IMO Maritime Safety Committee 

UPDATE: On Friday, June 12, 2015, the Maritime Safety Committee of the IMO adopted the Five Areas to Be Avoided (ATBA) in the Aleutian Islands.  The ATBA will go into effect on January 1, 2016 (six months after adoption as per IMO process).  The original proposal was developed as part of the AIRA, and approved by the Navigation Communication Search and Rescue Subcommittee of IMO on March 13, 2015.

These five recommendary ATBA apply to vessels making transoceanic voyages through the Bering Sea and North Pacific Ocean. The ATBA total approximatley 160,000 square miles and extend no further than 50 nautical miles from the shoreline of the islands, with a few areas of greater distance.  The 50 nautical mile buffer allows for repair or time to launch an emergency response effort to a foundering vessel before it runs aground and damages sensitive resources.  It will also reduce the possibility of ships grounding on the shoreline due to negligent navigation.

 

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Final Report on Recommened Optimal Response System Available

 

Following receipt of public comments and input from the Technical Peer Review Panel, the Summary Report describing a recommended response system for the Aleutian Islands areas is final and available in both LOW RESOLUTION and HIGH RESOLUTION versions.  This report is based on other project reports from both Phase A and Phase B of the AIRA which are available on the Documents page.

AIRA Final Summary Report - high resolution (20.5MB)

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AIRA Final Summary Report - low resolution (5MB)

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