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Sting Ray

The world's most advanced lightweight in-service anti-submarine torpedo, Sting Ray's earliest incarnation was launched in 1985, since then over 2,500 Mod 0 warshot torpedoes have been supplied to the UK RAF and UK Royal Navy.

A highly proven and tested torpedo, the upgraded and enhanced Mod 1 version of this successful torpedo was launched in 2006.

Sting Ray's advanced intelligence and superior upgrades ensures it will be in service until at least 2030, assisted by the software's sophisticated functionality which enables future capability enhancements to be effected swiftly. Designed to defeat dual threats of fast, deep diving double-hulled ocean craft and quiet conventional submarines in coastal waters, Sting Ray is suitable for flexible launch from a variety of air and ship platforms.

Key benefits of Sting Ray Mod 1 include:

  • High speed performance and manoeuvrability
  • Deep diving
  • Low radiated noise
  • Advanced computer-based intelligence
  • High warhead lethality
  • Low maintenance requirements resulting in low cost of ownership and high operational availability

MOD 1 enhancement

Sting Ray Mod 1 was developed to meet operational requirements for the next generation of lightweight torpedo. The key issues of more arduous operational and threat requirements, plus maintenance-free design, were achieved with the implementation of high-level processing hardware and software, including:

  • Improved guidance and homing system
  • Substantially modified front-end array
  • Digital signal processing – providing improved target classification and better discrimination of non-target returns
  • Navigation and guidance computers
  • New motor controller
  • Electro-mechanical actuation systems for the control surfaces
  • Longer-life seals and improved bearing lubrication to support the maintenance free requirements

Sting Ray Mod 1 sets new standards for software controlled autonomous underwater systems with advanced computer based intelligence. This includes tactical and processing algorithms – leading edge technology, optimised using real-time hardware-in-the-loop simulation prior to in-water testing

Testing
Reliability, performance and safety are key watchwords of all BAE Systems products; hence rigorous testing and acceptance programmes are standard. Sting Ray's effectiveness against a wide range of submarine threats has been consistently demonstrated during 1,900 in-water trials, many hundreds against manoeuvring submarines, including a successful SINKEX (live-firing) against a decommissioned submarine.

All in-water firings are analysed and the results used to update the operational software in Sting Ray's on-board computer in a continuous development and improvement programme.


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