The Ouranos classHS Hyperion A417, Hellenic Navy's Official websitePhoto of HS Hyperion in 2015, shipspotting.com is a ship class of two coastal tankers used by the Hellenic Navy. The ships are almost identical in size. They were built in 1975–1977 and they were commissioned into the Hellenic Navy in 1977. Their main task is to supply other ships and naval bases of the Hellenic Navy with fuel (Diesel F-76 and JP-5/JP-8) and drinking water.

Ships Pennant No. Ship Namesake Builder CommissionedStatus A 416 Ouranos Ουρανός UranusSalamis shipyardsSalamis Shipyards official website (in Greek) 27 January 1977 In service A 417 Hyperion Υπερίων Hyperion 27 February 1977 In service

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