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DAMEN FCS DEMONSTRATES NEW DRONE SAR TECHNIQUE

Saturday, November 16, 2019 

Damen Shipyards Group, in collaboration with Delft Dynamics and Next Ocean, has trialled a new approach to search and rescue in the North Sea.

The collaboration involved qualification testing of Delft Dynamics RH3 drone (RH-3 Swift), along with a fast rescue boat launched from a Damen Sea Axe Fast Crew Supply (FCS) Vessel equipped with Next Ocean’s wave and vessel motion predictor. The goal was to test the limits of drone helicopter operations offshore; a significant project given the notable size of the drone involved. The test was funded by the Dutch Ministry of Defence and support by the Royal Netherlands Navy and the Netherlands Coastguard.

Delft Dynamics is currently working on the next stage in the evolution of its unmanned helicopters, a drone with the capability to carry out observation for durations up to four hours. A logical environment for such capabilities is offshore. Hearing the company’s feasibility study presentation regarding launching such a vehicle from a vessel, Damen came on board the project with the suggestion of adding a fast rescue boat to the process.

The partners foresaw that the most challenging part of the project would be launching and landing the drone and boat in rough seas. At this point Damen called upon the expertise of Next Ocean – the producer of a wave and vessel motion predictor, which Damen had already experienced in tests on one of its Stan Patrol ships.

The wave prediction system uses the ship’s radar to map the sea about 1 naut mile around the vessel, enabling the prediction of wave activity accurately for the coming three minutes.

“With this we can predict when there will be a window of opportunity to launch the drone and the rescue craft. Take-off and landing of the drone takes just 30 seconds, for example,” said Albert Rijkens, Damen High Speed Craft Portfolio Manager R&D. “The wave prediction system makes this approach feasible and safe.”

The test provided additional data the further development of the Next Ocean wave prediction system.

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