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As diving operations were underway, a Chinese destroyer moved toward the Australian ship and was detected operating its hull-mounted sonar in a way that posed a risk to the divers and forced them ...
Examples of diver-detecting active sonar systems are: AN/WQX-2 – Diver detection sonar used in defense against underwater incursions; Cerberus (sonar) – Diver detection device; Underwater Port Security System – Defense against hostile swimmer incursions; Trained animals Trained dolphins and sea lions can find submerged divers.
Analysts say sonar pulses can cause extensive soft tissue damage to divers at close range. Australia says the Toowoomba notified the Ningbo that diving operations were underway and asked the ...
The LIMIS (limpet mine imaging sonar) is a hand-held or ROV-mounted imaging sonar for use by a diver. Its name is because it was designed for patrol divers (combat frogmen or clearance divers) to look for limpet mines in low visibility water. The LUIS (lensing underwater imaging system) is another imaging sonar for use by a diver.
Divers may carry a yellow flag or surface marker buoy to attract attention. Divers may carry a personal submersible EPIRB or vhf radio. Divers may carry a signalling mirror and/or sound signalling device. Diving from unattended boats only when a safe shore exit is feasible. Inability to return to shore or to exit the water.
Such clashes in international waters ‘do damage to relationship’ that was only just improving between Australia and China, says Anthony Albanese
The Integrated Anti-Swimmer System is a United States Coast Guard underwater anti-diver ultrasound weapons system. IAS includes:- SM2000 (Underwater Surveillance System), a search sonar made by Kongsberg Maritime. An underwater warning loudspeaker. An underwater shockwave emitter that can force divers to surface, or stun or kill them. The US ...
The sonar being used in the test was an experimental research and development sonar, which was considerably smaller and less powerful than an operational sonar on board a deployed naval vessel. Dr Frantzis believed that wide distribution of the stranded whales indicated that the cause has a large synchronous spatial extent and a sudden onset.