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Kraken Robotics System / Package

KATFISH towed synthetic aperture sonar

Actively stabilized SAS towfish delivering up to 2 cm x 2 cm resolution at 4-10 knots, with real-time SAS imagery and 3D bathymetry.

Description

KATFISH is an actively stabilized synthetic aperture sonar (SAS) towfish. Articulated tailfins and an intelligent autopilot compensate for motion, allowing high-resolution seabed imaging at survey speeds of 4 to 10 knots; faster configurations are available on request.

Key features

  • Real-time constant-resolution SAS imagery and 3D bathymetry
  • Simultaneous dynamically focused sidescan imagery
  • In-stride detection and classification
  • Multibeam nadir gap-filling
  • Range up to 200 m per side and area coverage up to 3.5 km²/hr
  • Real-time SAS resolution 3 cm x 3 cm; post-processed 2 cm x 2 cm

Applications

Mine countermeasures, critical underwater infrastructure inspection and route survey, subsea infrastructure inspection, seabed mapping, UXO survey and marine research.

Specifications

Operating speed4-10 knots
Survey altitude5-30 m
Operating depth300 m
Rangeup to 200 m per side
Area coverage rateup to 3.5 km²/hr
Real-time SAS resolution3 cm x 3 cm
3D bathymetry resolution25 cm x 25 cm
Post-processed SAS resolution2 cm x 2 cm

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