Kraken Robotics successfully demonstrates Katfish sonar system capabilities during WISEX.

According to information published by Kraken Robotics on September 28, 2022, the firm recently participated in the Royal Navy’s (RN) WILTON Industry Show and Experiment (WISEX) on the ranges in Kilbrannan Sound off Campbeltown, Scotland. WISEX provides an opportunity for industry to showcase new systems for consideration by the RN.
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Kraken KATFISH High Speed Towed SAS in Campbeltown, Scotland (Picture source: Kraken Robotics)

With live demos and sea trials, the RN are better able to understand the demonstrated technology including software, sensors, and effectors necessary to implement a highly reliable Mine Hunting Capability (MHC).

For these trials, Kraken teamed with Elbit Systems UK to demonstrate the KATFISH High Speed Towed Synthetic Aperture Sonar System integrated to their Seagull 12-meter Uncrewed Surface Vessel (USV).

The goal of the trials was to survey two distinct ranges with dimensions of 600 m x 4 nm where the RN placed several Mine Like Objects (MLO) to be searched for by WISEX attendees. The ranges were selected to replicate real world search areas of complex bathymetry and strong currents.

During the trials, the Kraken KATFISH was launched, operated, and recovered in varying surface conditions including Sea State 4. Live, high resolution SAS data was wirelessly transmitted to a shore-based operators station over several kilometers, where operators found all MLO targets in real time during the missions.

KATFISH™ is a high speed, actively stabilized Synthetic Aperture Sonar (SAS) towfish that operates at speeds up to 10 knots. The high-speed capability, and constant resolution of KATFISH™ greatly increases Area Coverage Rates (ACR) by providing more useable data for MCM missions than traditional Side Scan Sonars.

KATFISH™ provides real time high-resolution ACR of up to 4 km2/hr with 3.3 cm x 3.0 cm* constant resolution across ranges up to 200 m per side with simultaneous 3D bathymetry. *1.9 cm x 2.1 cm constant resolution available with post-processing.

Along with increased ACR, the ability to transmit high resolution data wirelessly enables operators in remote stations to identify targets as the USV mission is underway, therefore reducing the overall MCM timeline.

Kraken has recently delivered KATFISH systems to the Royal Danish and Polish Navies and expects them to be operation in Q1 2023.