This vessel, the Tan'erliq, is an "enhanced tractor tug," or ETT.

Maritime Operations

Reports and Documents

  • Letter Recommending The Development And Implementation Of Formal Weather Reporting Procedures When The Seal Rocks Weather Buoy (46061) Is Inoperable In Prince Will | February 4, 2019 | File size: 1.2 MB | Author: PWSRCAC

  • Hinchinbrook Entrance Wind Wave Extremes | February 4, 2019 | File size: 18.3 MB | Author: Tetra Tech

  • Oil Tanker Fact Sheet - Updated October 2018 | January 9, 2019 | File size: 0.8 MB | Author: PWSRCAC

  • Wind Speed and Wave Height at Seal Rocks Buoy During Outbound Tanker Transits, 2010-2017 | February 22, 2018 | File size: 2.0 MB | Author: Nuka Research

  • Recommendations to Verify and Sustain Prevention and Response System Readiness in Prince William Sound | September 9, 2017 | File size: 0.3 MB | Author: Little River Marine, Nuka Research and Planning Group

  • Comparison Of Capabilities Between Prince William Sound Emergency Towing Package And IMO-SOLAS Emergency Towing Package For Tankers - 2017 | August 25, 2017 | File size: 1.6 MB | Author: Little River Marine Consultants

  • Development of the current Prince William Sound Escort System: Regulations, Analysis, and System Enhancements | June 8, 2017 | File size: 1.5 MB | Author: Nuka Research And Planning LLC

  • A Review Of The Proposed New Escort And SupportTugs For Tanker Operations In PWS - Feb 2017 | February 10, 2017 | File size: 2.3 MB | Author: Robert Allan Ltd

  • Industry and Class Standards for Escort Tugboats | January 28, 2017 | File size: 1.8 MB | Author: Little River Marine

  • A Summary of Current B.A.T. Requirements for Escort and Rescue Towing Tugs | October 7, 2016 | File size: 0.5 MB | Author: Robert Allan Ltd

  • Sentinel Tug Requirements for Gulf of Alaska: Ship Drift Study | May 4, 2016 | File size: 5.1 MB | Author: Robert Allan Ltd

  • Memo: Tug Bollard Pull Requirements for Rescue Towing in Prince William Sound | April 26, 2016 | File size: 0.3 MB | Author: Robert Allan Ltd

  • Future Iceberg Discharge From Columbia Glacier, Alaska - Final Report | August 19, 2015 | File size: 2.3 MB | Author: Tad Pfeffer and Shad O’Neel

  • Future Iceberg Discharge From Columbia Glacier, Alaska - Report 2 | August 19, 2015 | File size: 2.3 MB | Author: Tad Pfeffer and Shad O’Neel

  • Future Iceberg Discharge From Columbia Glacier, Alaska - Report 4 | August 19, 2015 | File size: 1.7 MB | Author: Tad Pfeffer and Shad O’Neel

  • Future Iceberg Discharge From Columbia Glacier, Alaska - Report 5 | August 19, 2015 | File size: 1.9 MB | Author: Tad Pfeffer and Shad O’Neel

  • Future Iceberg Discharge From Columbia Glacier, Alaska - Reports 1 To 5 And Final Report | August 19, 2015 | File size: 6.5 MB | Author: Tad Pfeffer and Shad O’Neel

  • Iceberg Detection Performance Simulations To Support The Installation Of New S6 Processor With The Reef Island Radar | October 17, 2014 | File size: 2.9 MB | Author: C‐CORE

  • Tanker Fact Sheet - Updated October 2013 | January 30, 2014 | File size: 0.6 MB

  • A Review Of Best Available Technology For A Sentinel Tug Stationed At Hinchinbrook Entrance | January 7, 2014 | File size: 1.4 MB | Author: Robert Allan Ltd

  • Escort Winch Towline And Tether System Analysis | August 20, 2012 | File size: 4.6 MB | Author: Robert Allan Ltd

  • 2011 Marine Firefighting Symposium | February 1, 2012 | File size: 0.1 MB

  • Tanker Escorting Briefing Booklet | September 30, 2010 | File size: 5.7 MB

  • News Release For Tug Escort System Preservation | November 5, 2009 | File size: 0.2 MB | Author: PWSRCAC

  • Legislation For Tug Escort System Preservation | June 19, 2009 | File size: 0.2 MB

  • Murkowski Floor Statement Tug Escort System | June 5, 2009 | File size: 66 KB

  • Tug Escort System Joint Resolution | March 14, 2009 | File size: 0.2 MB

  • 2008 Marine Firefighting Symposium | February 4, 2009 | File size: 0.1 MB

  • 2008 Marine Firefighting And Prevention Planning | April 18, 2008 | File size: 1.8 MB

  • 2008 Marine Firefighting Symposium News Release | April 18, 2008 | File size: 0.1 MB

  • Bibliography For Aquatic Noise Report | April 8, 2008 | File size: 1.1 MB

  • Aquatic Noise Report | April 7, 2008 | File size: 3.0 MB

  • Ice Radar Processor for Prince William Sound – Summary of Configuration and Benefits | December 1, 2007 | File size: 5.3 MB | Author: C-CORE

  • Chronology Of Prevention And Response Tugs | May 25, 2006 | File size: 0.2 MB

  • 2003 Marine Firefighting Symposium | December 28, 2005 | File size: 34 KB

  • 2005 Marine Firefighting Symposium | December 28, 2005 | File size: 28 KB

  • Coherent UHF Radar For Ice Detection | June 28, 2003 | File size: 4.5 MB | Author: Rowsell, D., Tarrant, S., and Power, D. C-Core

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