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Sanmar Terminal Azimuth Stern Drive (ASD) Tugboat

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The RAstar Escort/Offshore Terminal Tug designation is reserved for a unique class of very high-performance ASD tugs, designed with a sponsoned hull form, which has been proven in both model and full-scale testing and seakeeping performance.

The escort forces are enhanced by the effects of the sponson as well as the foil-shaped escort skegs fitted. Roll motions and accelerations are less than half those of comparable sized “standard” tug hulls. These tugs will typically be high-powered, and are intended for escort operations in weather and sea-exposed areas such as many new LNG terminals where a high standard of sea-keeping is required.

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