Rescue vessel can bring the survivors floating in a craft, by any or several of the following means.
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Hoisting the survivors boat with all the personnel. |
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Boats are not too heavy. |
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The weight of the boat with the personnel are within the SWL of the hoisting crane / derrick. |
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Suitable lifting gears are available. |
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Lower the vessel's own rescue boat, transfer the survivors and hoist them aboard. |
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Scrambling cargo nets and ladders may be rigged. Survivors can climb. |
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Survivors may not have sufficient energy to climb. In that case they may be hoisted by: |
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Canvas slings. |
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Bosun's chairs. |
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Cargo baskets. |
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Whips rove through blocks on davit heads. |
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Floating stretcher capable of being hoisted, for injured men. |
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Cargo net may be slung overside between davits, lower end partly submerged. It is passed through the blocks attached to the davit. It can be hauled onboard. |
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A side boom or derrick may be swung overside with a net attach to it. Survivors may cling to it to wait for their turn. |
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Isolated swimmers may be rescued by careful use of line throwing apparatus, fired well overhead. |
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Inflatable life-rafts may be thrown overboard for if for any reason immediate rescue is impracticable. |