Dolphins Poles Posts Piles Wreck 74176

Field Value
Wreck Location
Marine Coordinates (DMM) 		50 34.013 N,2 19.536 W
Latitude, Longitude
Decimal Degrees
  • Latitude: 50.566883
  • Longitude: -2.325600
Wreck Depth 21.6 m
Water Depth 29 m
Water Level Effect always under water/submerged
Vertical Datum Approximate Lowest Astronomical Tide
Type Dolphins/Poles/Posts/Piles
Sonar Length 48
Sonar Width 7.48
Shadow Height 2.6
Orientation 70
Conspic Visual not visually conspicuous
Conspic Radar not radar conspicuous
Bottom Texture Sand
Scour Dimensions ,,000.3,
Original Detection Year 1990
Last Detection Year 2020
Original Source naval vessel
Last Amended Date Nov 29, 2022

Surveying Details

H3848/86 19.10.90 DANGEROUS OBSTN LOCATED USING DCS3 IN 503358.7N, 021927.4W [OGB]. LEAST E/S DEPTH 22.6 IN GEN DEPTH 30MTRS. SIMILAR IN SIZE AND SHAPE TO OBSTN CLOSE NE BUT HAS EXTENDING LEGS ON SEABED. (HMSML GLEANER, SIG DTD 18.10.90, HI 367). DIMENSIONS:- 15 X 3MTRS. 7.4MTRS HIGH. (HMSML GLEANER, HN DTD 18.10.90). CHART AS OBSTN 22.5MTRS. - NM 3131/90. H3848/86 15.1.91 TALL MAN-MADE OBSTN WITH 2 ATTACHED 20MTR LONG 'LEGS' LYING AT AN ANGLE OF 40DEGS ON THE SEABED, EXAM'D 18.10.90 IN 503358.7N, 021927.4W [OGB] USING TRISPONDER [4 LOP]. LEAST E/S DEPTH 22.6 IN GEN DEPTH 29.7MTRS. SCOUR 0.3MTR DEEP. DCS3 HT 7.4MTRS. POSSIBLY FORMER JETTY PILE FROM HM NAVAL BASE, PORTLAND. (HMS GLEANER, HI 367). NFA. [WGD] POSN: 5034.013N, 0219.536W. HH091/217/01 / SEP 2009/000158351 3.11.09 EXAM'D 10.6.08 IN LISTED POSN. LEAST M/B DEPTH 27.9 IN GEN DEPTH 29.3MTRS. SCOUR 0.3MTR. CONTACT IS NO LONGER DISTINCT, HOWEVER NUMEROUS SMALL CONTACTS SUGGEST THAT ORIGINAL ITEM IS NOW PARTIALLY BURIED OR BROKEN UP. A LARGER OBJECT LIES TO THE SE WHICH APPEARS TO BE SIMILAR TO A JETTY PILE. (HMSML GLEANER, HI 1217). AMEND OBSTN 27.5MTRS. BR STD. SEP2022/000287776 29.11.22 EXAM'D 2020 IN 5034.017N, 0219.537W [WGD]. LEAST M/B DEPTH 21.6MTRS IN GEN DEPTH 28.5MTRS. (UKHO, HI1667). AMEND OBSTN 21.5MTRS.

General Comments

UK NM 239/23, ?PARTIALLY BURIED OR BROKEN UP

WRECK MAP LOADING ... 50 34.013 N,2 19.536 W
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