Onyx Onyx Steam tug Cress 1932 Onyx Plaque design Specification Onyx LPB identification number 19 Source (GF)(EA)(DM)(LPB)(MW) (RS)(DJW)(RD)(KP) Name P.O.R Description Dates Onyx Ren Galvanic(15) No 432 Bristol 1932 Wd. bge – 1954 Official number Code Builders: - Dimensions Length 81.2ft Breadth 19.2ft Depth 4.8ft Tonnage – (....) Gross 56.86 tons Net 53.86 tons B.D Engines None By N/A H.P. N/A Beached date c. June 1954 Beached by Miscellaneous First Owners Changes Historic images Onyx remains Onyx looking North Onyn looking South Onyx and Llantony