Navy Team Surveys Tonga Below the Waterline

BlueZone designed equipment supports fast and easy deployment of military survey equipment


The Australian Defence Force was deployed on Operation Tonga Assist 2022 as part of the Australian Government’s support to the Tongan Government following the eruption of Hunga Tonga-Hunga Ha’apai underwater volcano. A Navy hydrographic team surveyed Tonga’s islands from under the waterline to ensure humanitarian efforts go unhindered.


The Deployable Geospatial Support Team (DGST) on board HMAS Adelaide collected and analysed hydrographic data from several Tongan islands to ensure personnel and stores could reach shore safely to assist with the recovery efforts. DGSTs chart the safest route using high-frequency sonar equipment attached to Zodiac inflatable boats to take high-resolution images of the sea floor. DGSTs can also survey anchorages and track underwater features including shipwrecks, submarine cables and volcanoes.


BlueZone Group is pleased to have supplied and continue to support a range of military survey equipment enabling DGST to perform their work. This equipment includes REMUS 100 Next Generation Uncrewed Underwater Vehicles (UUV), Edgetech 4200 Side Scan Sonars and Teledyne-Reson T20-P Multibeam Echo Sounders. The BlueZone designed and manufactured OG05 Teledyne Reson T20-P Integration Kit provides for fast deployment and easy integration of the SeaBat® T20-P Multi-Beam Echo Sounder (MBES) into small boats or other survey vessels.


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OG05 Teledyne Reson SeaBat® T20-P Deployment & Integration Kit


The Deployable Geospatial Survey Team prepare a fly away survey kit during a beach surface surveying activity The OG05 Teledyne Reson T20 P Integration Kit provides for fast deployment and easy integration of the SeaBat® T20 P Multi Beam Echo Sounder MBES into small boats or other survey vessels


A Royal Australian Navy sailor conducts a survey in waters off Pangaimotu Island Tonga as part of Operation Tonga Assist 2022