"Arethusa undis prospicit"
The ship and her history
The Aretusa (5304) survey vessel was delivered to the Italian Navy in 2002, together with the Galatea (5308), the second Ninfe-class unit. A catamaran in FRP (Fibre Reinforced Plastic), Arethusa has the following technical features:
• Displacement: 415 t.
• Length: 39,21 m.
• Beam: 12,60 m.
• Draught: 2.50 m.
• Range: 1700 milles at 13 knots.



 The vessel was specifically designed for hydro-oceanographic surveys in harbours, shallow and deep waters and, in particular:
• sounding;
• topography of shorelines and port facilities;
• seabed features;
• collection of nautical and geographical data for the updating of nautical documentation;
• detection of sunken vessels or dangerous underwater obstacles.



The collected data are then processed by means of dedicated software programs and then used to produce:
• paper and electronic nautical charts for the safety of navigation;
• Additional Military Layers;
• nautical, scientific and technical documentation for mariners.




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to the legend, Arethusa was the most beautiful Nimph of Arcadia. Artemis loved her and took her hunting.  One evening, tired and thirsty after a long day, she came across a clear stream and began bathing. The stream, however, was the river god Alpheus, who fell madly in love with her. Arethusa fled and, after a long chase, she asked her goddess Artemis for protection. Artemis turned her into a stream, which travelled under the earth to the Island of Ortygia, in Sicily.