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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 1169884
Category Recording
Type Multi Beam Sonar Scan
Permalink http://canmore.org.uk/event/1169884
UTM 30 N (WGS 84) X: 481881.6 Y: 6531895. The remains of what is thought to be the Urmstone Grange , lie on its keel in approximately 4.6m to 9.5m depth of water on a rocky seabed. The orientation of the wreck is 214°, roughly parallel to the side of the channel of Burra Sound. Although the wreck is largely dispersed its outline can still be made out as well. The wreck remains measure 94.4m long, 24.9m wide and 6.8m high, similar to the recorded dimensions of the vessel. There are several structural features discernible within the debris. In particular three boilers, forming a triangular pattern with two aft and one forward, are of a similar size measuring about 3m by 3.5m. Urmstone Grange is the only vessel in this area recorded as having three boilers. Approximately 6.5m forward of the boilers there are two circular objects, both with diameters of 2m, that may be mast footings. Further forward the vessel has largely broken up although there is some suggestion of preserved hull plating with ribs visible underneath. While there is no obvious debris field surrounding the main wreck evident in the multibeam data, debris may be hidden among the surrounding rocks.
Information from Wessex Archaeology April 2012.'
