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Anchor handling, towing and supply vessels, or AHTSs, are used to set anchors for drilling rigs and tow mobile drilling rigs and equipment from one location to another. In addition to these capabilities, AHTSs can be used in supply, oil spill recovery, tanker lifting and floating production, storage and offloading, or FPSO, support roles when they are not performing anchor handling and towing services. AHTSs are characterized by large horsepower (generally averaging between 8,000-18,000 horsepower), shorter afterdecks and special equipment such as towing winches.
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| LOA (ft) |
Vessel Name |
BHP |
Bollard Pull |
Deck Cargo (lt) |
Clear Deck Area (ft) |
Liquid Mud (bbls) |
Bulk (ft3) |
Region |
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| 242 |
Northern Challenger |
15,612 |
168t |
1,181 |
137 x 44 |
2,911 |
10,029 |
North Sea |
PDF |
| 242 |
Northern Chaser |
15,612 |
166t |
1,181 |
137 x 44 |
2,911 |
10,029 |
North Sea |
PDF |
| 242 |
Northern Corona |
15,612 |
168t |
1,181 |
137 x 44 |
2,911 |
10,029 |
North Sea |
PDF |
| 242 |
Northern Crusader |
15,612 |
168t |
1,181 |
137 x 44 |
2,911 |
10,029 |
North Sea |
PDF |
| 261 |
Northern Commander |
13,200 |
155t |
1,377 |
139 x 49 |
4,000 |
10,029 |
North Sea |
PDF |
| 212 |
Northern Comrade |
11,140 |
130t |
639 |
120 x 36 |
1,163 |
8,015 |
North Sea |
PDF |
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