Note, that the word “replace” could potentially indicate that the entire antenna has been retrieved.Ĭlearly, the British does not want to admit on record the loss of an entire antenna, and the possibility of its being taken over by the Russians.įollowing the incident, the British navy said, the incident did not happen intentionally, but by accident. The collision was also recorded by others and included comments from the crew saying, “What the hell was that?” return to base to replace the sonar antenna system. Interestingly, the whole event was filmed since the crew of Britain’s Channel 5 channel was onboard the frigate documenting for a TV series called “Life at Sea”. It is highly probable that it may have been a Russian submarine whose periscope had been tracked a moment earlier by the British Marlin-type ZOP helicopter. The efficiency of passive-active towed sonars is greater since the antenna system is towed far behind the frigate, eliminating the frigate’s “own” interference further it can also be submerged to a depth optimal for the given hydrological conditions and the tactics adopted by the tracked submarine.ĭuring on such tracking operation, the entire antenna system collided with an unidentified underwater object. It works at very low frequencies, so it is an ideal means of detecting the latest generation of submarines. The most effective solution for this type of mission in frigates is the 2087 type passive-active towed sonar. It then decided to use its sonar systems to track it. The British frigate thought that this happened because the Russian submarine may have submerged. Incidentally, this passage is also routinely patrolled by Russian submarines.ĭuring on such patrol when the British frigate followed a Russian submarine, and suddenly the contact broke off. The statement by the British Ministry of Defense places the incident in the North Atlantic when during a routine patrol by Type 23 HMS Northumberland frigate at the Arctic Circle between the coast of Norway and Iceland. In a statement Britain said, its frigate HMS Northumberland which had collided with an unidentified Russian submarine at the end of 2020, may have been the result of an attempted to hijack its sonar.
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