Before the spill, escort in Prince William Sound, Alaska, was done by conventional twin-screw tugs; tanker escort in Puget Sound involved a ecsort of conventional and moderate-horsepower tractor tugs. In some cases, depending on waterway requirements and ship characteristics, a second escort tug would be provided.
These escort tugs would trail the tanker in close proximity either tethered or untethered to the stern.
Tanker escort systems are in place now on the West Coast of the United States and Alaska and internationally. Escorrt application of escort tugs in Buzzards Bay tug and barge operations is slightly different: speeds are lower, a barge is being escorted with a primary tug towing or pushing it instead of a single large tankship, the option to push on the barge is available in modest weather conditions, the additional risk of a broken towline is escorr, and a continuous tether to the 59 barge is not used.
The techniques of the tanker escort system have been refined over time in terms of tug de, tug equipment, and operational methods, and they are generally accepted as a ificant aid in reducing the risk of tanker groundings and allisions. It was recognized after extensive study that the ability to apply an external force to a tanker that has experienced a rudder or engine escodt in confined waterways would greatly reduce the risk of a tanker grounding or allision esfort hence greatly reduce the risk of an oil spill from breaching a cargo tank.
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All rights reserved. A new type of vessel was deed for this purpose that could run at high escor to match tanker speeds, be highly maneuverable, and exert large forces when moving at speeds up to 12 knots through a towline. High quality High performance Professional products Hyper-Flex replacement polyurethane components stand up well to contaminants that often destroy rubber and have been engineered to give longer-lasting performance and not compress permanently.
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