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maritime -- NOAA Advisory Concerning Changes to the Traffic Separation Scheme

Posted: 07 May 2013 11:05:48
The purpose of this list serve notice is to help the National
Oceanic and Atmospheric Administration (NOAA) broadcast an
advisory concerning changes to the Traffic Separation Scheme
(TSS) in the Santa Barbara Channel and in San Francisco.   NOAA
has requested and the California Air Resources Board has agreed
to provide outreach through the Maritime List Serve to help
broadcast the advisory to mariners.  

SANTA BARBARA CHANNEL TRAFFIC SEPARATION SCHEME AMENDMENT
The International Maritime Organization (IMO) is amending the
Traffic Separation Scheme in the Santa Barbara Channel and the
approach to the ports of Los Angeles/Long Beach, effective June
1, 2013. The TSS amendment will reduce the width of the
separation zone from 2 nautical miles (nm) to 1 nm by shifting
the inbound lane shoreward and away from known whale
concentrations. The outbound lane will remain unchanged in the
current location. Narrowing the separation zone is expected to
reduce co-occurrence of ships and whales while maintaining
navigation safety.

SAN FRANCISCO TRAFFIC SEPARATION SCHEME AMENDMENT
The International Maritime Organization (IMO) is amending the San
Francisco Traffic Separation Scheme (TSS) effective June 1, 2013.
The San Francisco TSS is located within the Cordell Bank, Gulf of
the Farallones, and Monterey Bay National Marine Sanctuaries, as
well as prime commercial fishing grounds. The Coast Guard
maintains a Vessel Traffic Service (VTS) in the port of San
Francisco and the TSS is located entirely within the VTS coverage
area.  The TSS adjustments will be made in an effort to enhance
navigational safety and mitigate the co-occurrence of endangered
marine species with commercial vessel traffic.

For the official USCG Local Notice to Mariners (LNM) please see:
http://navcen.uscg.gov/pdf/lnms/lnm11172013.pdf 
and go to p.2; for the IMO approved coordinates and graphics
depicting the TSS amendments go to the enclosures section in the
LNM.

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