Teledyne RESON A/S has received two awards of multibeam echosounder packages to equip Japan Coast Guard new-build hydrographic survey vessels, through its local representative Hydro Systems Development, Inc. (HSD)

The Japan Coast Guard (JCG) is engaged in a variety of maritime activities including hydrographic surveying and oceanographic research. The governmental organization operates a large fleet of more than 450 vessels. Among them are already 13 ships dedicated for hydrographic surveying.

Furthermore, there are two brand new hydrographic survey vessels already in the building process at Japanese shipyards. In close collaboration with HSD, Teledyne RESON will supply an integrated survey system solution for a deep water vessel of approx. 100 m length which will be built by Mitsubishi Heavy Industries, Ltd. The ship will extend JCG’s existing fleet and there will be several Teledyne Marine products on board the latest deep water vessel:

  • HydroSweep DS full ocean depth (11,000 m) multibeam echosounder
  • HydroSweep MD50 medium depth multibeam echosounder with 2,000 m max depth range
  • SeaBat T50-R high-resolution shallow water multibeam echosounder with 575 m depth range
  • SeaBat T50-P portable version for a survey launch
  • RDI Workhorse Mariner 600kHz ADCP
  • RDI OceanSurveyor 150kHz ADCP
  • OceanScience rapidCAST auto-profiler for sound velocity casts

The other ship is designed for shallow and medium depth applications and will replace JCG’s existing vessel HAMASHIO. The 23 m long vessel will be built by Kiso Shipbuilding Co., Ltd. and will be equipped with the following Teledyne Marine products:

  • SeaBat 7160 medium depth multibeam echosounder with 3,000 m depth range
  • SeaBat T50-R IDH high-resolution shallow water multibeam echosounder with integrated dual-head transducer configuration for large coverage
  • RDI Workhorse Mariner 600kHz ADCP
  • RDI OceanSurveyor 150kHz ADCP

The 23 m vessel will be ready by March 2018, whereas the large vessel is expected to be launched by March 2020.

The latest success ties in with another two contracts of SeaBat T50s for existing JCG vessels that were awarded to Teledyne RESON last year establishing HSD as leading multibeam sonar supplier in Japan.

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