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Thin-line towed arrays on uncrewed vessels deliver more cost-effective sonar, says SEA

24th April 2025 - 08:45 GMT | by Tony Fyler

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The KraitArray thin-line towed array sonar solution is a way of providing high technology at lower cost. (Photo: SEA)

Miniaturisation of technology opens up radical sensing technologies to smaller navies under submarine threat, according to SEA sonar expert.

Historically, towed array sonar has been a transformative technology, giving beyond-the-horizon awareness of the undersea environment. But such towed arrays have traditionally been large, bulky pieces of equipment, requiring larger crewed vessels to use them.

Now though, technological miniaturisation is producing towed arrays that are small enough for light crewed vessels and even for the new generation of uncrewed vessels to use.

Chris Tucker, sonar product technical authority at SEA, recently explained the advances in towed array technology at the UDT conference in Oslo. Shephard asked him why navies should be looking into it.

“Towed array sonar has always been a

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