Abstract
In September 2000, General Dynamics NASSCO entered into a contract with BP Shipping Ltd. for the design, construction, and delivery of four 185,000 deadweight ton crude tankers for the Trans-Atlantic Pipeline System (TAPS) trade. NASSCO was required to undertake progressive speed trials on all four vessels. In July 2004, the first vessel underwent trials in the Eastern Pacific, approximately 60 nautical miles due west of San Diego. The corrected results were not as expected, and the vessel appeared to not make design speed by a significant margin. In light of the lead ship experience, a number of changes were made to the trial procedures and practices. These changes resulted in the successful demonstration of design speed in the follow ships. This paper presents data, discusses various environmental influences, and data collection system issues experienced during the preparation of the vessel for trials, trial data collection, and data reduction for the three follow ships.
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