Third Generation - Key features

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JFD's Third Generation Submarine Rescue system has a number of key features and is the result of an internal research and development programme, developed against a set of generic, but well-considered and representative requirements, rather than those of one specific customer.

Whilst the overarching architecture is common, the system can be tailored to suit the specific needs of particular navies, including for example:

  • Operating depth, to suit a particular nation’s submarine characteristics, collapse depth and geography.
  • Hyperbaric capacity and layout, and the associated SRV evolution complement size.
  • Transportation package size, optimised for differing aircraft types


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Fewer interfaces
The number of interfaces between assets has been greatly reduced. This simplified arrangement reduces the mobilisation time for the entire system as it negates the alignment requirements typical of Second Generation systems.

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Flexible system layout
The system can be installed on vessels with unusual deck arrangements. The system is modular and various aspects can be deployed independently. For example individual decompression chambers can be deployed independent of the rest of the system for escape support or secondary roles.

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DSAR-class SRV
An adaptable and reliable system, based on ‘simple’ technology, allowing for repairs and maintenance while offshore with a minimal spares package. Lightweight, quick to deploy and with incredible endurance, DSAR is a proven class of SRV with three similar submersibles in operation worldwide. This SRV is capable of operating at depth ratings of up to 650msw, crew of 3 plus up to 17 rescuees, integrated dry mating skirt, Lithium Polymer battery system, 108 hours of life support, capable of mating at angles of up to 60°, and operating in currents of up to 3 knots.

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Medical hyperbaric complex
A 6bara medical hyperbaric complex capable of treating and decompressing up to 90 personnel at any one time in 9 separate compartments.  Integrated with Launch & Recovery System for efficient mobilisation.

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Launch & recovery system
Following a rescue, the LARS positions the SRV above one of three man-ways, allowing rescuees to enter directly into the Hyperbaric Medical Complex below.  The Launch and Recovery System is capable of handling the SRV in conditions up to and including sea state 6; built-in ability to launch and recover exercise targets; Diverless Launch and Recovery System.

Unlike other systems, the Launch & Recovery System strongbacks have been integrated into the Hyperbaric Medical Complex. This dramatically reduces weight and mobilisation time while spreading loads evenly across a large area of the chosen ship’s structure.

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Support containers
Contain equipment and spares required to operate and maintain the entire system while at sea.

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DDC support containers
Primarily provides high-pressure air and therapeutic gasses to the Hyperbaric Medical Complex.

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Remotely operated vehicle system
ROV & Side Scan Sonar provide search, survey, debris-clearance and intervention capabilities.

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Vertical Transfer Under Pressure (TUP)
Vertical TUP reduces the footprint, weight and complexity of the entire system, reducing the time required for deployment and installation. Revised geometry in the SRV eases casualty handling through the new arrangement.