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Scapa Flow Wreck Surveys: Archaeological Interpretation of Multibeam data and Desk-Based Assessment
Date 6 December 2011 - 10 December 2011
Event ID 1169867
Category Recording
Type Multi Beam Sonar Scan
Permalink http://canmore.org.uk/event/1169867
UTM 30 N (WGS 84) X: 481933.5 Y: 6531856. Remains of the wreck of the blockship Tabarka lie upside down at a depth of 10.5m to 12.7m below CD in an area of rocky seabed, with sand predominantly on its south side. There is evidence of scour around the wreck and a 2m high sandbank has developed immediately south of the wreck. The hull of the vessel has broken into two halves. The total observed length of the wreck is 101.9m, with the west section measuring 50.3m and the east section measuring 44.5m with a space between the two halves. The beam of the vessel is approximately 14.2m and it is 10.9m high. A large break separates the two halves of the wreck and exposes the inner part of the vessel. Large sections of the wreck are missing hull plating on both parts of the vessel. Since the vessel is lying upside down there are very few structural features to identify apart from the hull. At the stern of the vessel, to the west, the mountings for the rudder still appear to be in place, although the rudder itself and the propeller appear to be missing. There is some debris on the south side of the wreck, particularly two elongated objects which appear to be partially buried in the sandbank. The largest of these is 11.9m long and the other is 4.7m long.
Information from Wessex Archaeology April 2012 .
