Unlocking new levels of multibeam performance with Norwegian Subsea MRUMotion Reference Units (MRUs) are crucial in bathymetric survey technology, providing precise motion compensation data to ensure reliable and accurate seafloor mapping. For
Unlocking new levels of multibeam performance with Norwegian Subsea MRU
- Motion Reference Units (MRUs) are crucial in bathymetric survey technology, providing precise motion compensation data to ensure reliable and accurate seafloor mapping. For users like Captain Sid Hynes, a seasoned mariner exploring Newfoundland’s shipwreck-rich waters, the Norwegian Subsea MRU has redefined what is possible, delivering exceptional performance even in incredibly challenging conditions.
The Challenge
Along with his son, Matthew, Sid Hynes has dedicated countless hours to mapping shipwrecks using multibeam echosounders in the unpredictable environment of the Grand Banks. However, precision in locating and identifying these submerged targets is a persistent challenge, especially due to the unique conditions the pair face on their regular expeditions.
Despite equipping ‘Best Kind’, Sid’s Farmont 70 expedition yacht with a multibeam made by Aukland, New Zealand-based manufacturer WASSP, he found room for improvement when in order to reach the level of detail required for distinguishing remnants of wooden shipwrecks, many of which had deteriorated after decades under the sea. The unpredictable three-directional swells and constant movement of his boat added further complexity, as it would create inconsistencies in the data captured.
“Heave is the key,” Sid explained. “When the boat's moving with swells
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