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The DUBV 43C towed array sonar of La Motte-Picquet.. A towed array sonar is a system of hydrophones towed behind a submarine or a surface ship on a cable. [1] Trailing the hydrophones behind the vessel, on a cable that can be kilometers long, keeps the array's sensors away from the ship's own noise sources, greatly improving its signal-to-noise ratio, and hence the effectiveness of detecting ...
Initially the SURTASS system were passive, receiving only sonar systems. The array was towed miles behind the ships and were designed for long range detection of submarines. As the passive systems were being deployed, an active adjunct known as the SURTASS Low Frequency Active (LFA) systems was designed for long range detection.
Sonar 2076 is a submarine sonar detection system designed by Thales for the Royal Navy. The system comprises an integrated suite of active and passive sonar systems including bow, fin, flank and towed arrays. [1] Known components include: Type 2077 Parian obstacle avoidance sonar; Type 2081 environmental monitor; Type 2094 oceanographic sonar
The CAPTAS-4 is a towed array sonar developed by Thales Underwater Systems to equip first-rank surface combatants.Manufactured in Brest, France, it represents the high-end and most powerful system of the company's CAPTAS (Combined Active and Passive Towed Array Sonar) line of products [1] and equips several first-rank warships of the French Navy as well as those of various export customers.
The S2087 is a Low Frequency Active Sonar (LFAS) and consists of both active and passive sonar arrays. Thales describes the system as "a towed-array that enables Type 23 frigates to hunt the latest submarines at considerable distances and locate them beyond the range at which they [submarines] can launch an attack". [3]
The submarine hit the warship’s sonar – a piece of equipment being towed hundreds of metres behind it, which was fitted with sensitive hydrophones for listening under water.
The Type 093B is a further upgraded version, equipped with a pump-jet propulsor and the ability to deploy a towed sonar array. It is expected to play more of a land-attack role with long-range ...
The first experimental array was a six-element test array laid at Eleuthera in the Bahamas in 1951, followed, after successful experiments with a target submarine, in 1952 by a fully-functional 1,000 ft (304.8 m), forty-hydrophone array. At that time the order for stations was increased from six to nine.