Results are reported of a simulation-based analysis conducted for the National Transportation Safety Board of the EXXON VALDEZ's trackline immediately prior to its grounding in Prince William Sound. The tasks performed in this study included: (1) developing a trajectory for the outbound transit of the vessel from Entrance Island through Valdez Narrows and Valdez Arm to the grounding site on Bligh Reef; (2) developing the trajectories starting with the vessel heading 180 deg on a trackline 1 nautical mile west of Busby Island light, at a speed of 12.3 knots and at the speed determined at the respective time on the trackline generated in Task 1 for four specified conditions; and (3) determining the most probable point on the 180 deg trackline where the rudder would have been applied to cause the vessel to reach the grounding site for the four specified rudder applications. The information utilized originated from both the ship and the U.S. Coast Guard's vessel traffic center in Valdez, Alaska. Appendices include various charts and logs.

  • Supplemental Notes:
    • Report
  • Corporate Authors:

    Marine Safety International, Inc.

    New York, NY  United States 

    National Maritime Research Center Computer Aided Operations Research Facility

    Kings Point, NY  United States 

    National Transportation Safety Board

    490 L'Enfant Plaza, SW
    Washington, DC  United States  20594
  • Authors:
    • Hwang, W
  • Publication Date: 1989-12

Media Info

  • Features: References;
  • Pagination: Various p.

Subject/Index Terms

Filing Info

  • Accession Number: 00659249
  • Record Type: Publication
  • Source Agency: Maritime Technical Information Facility
  • Files: TRIS
  • Created Date: Jul 21 1994 12:00AM