Caisson Wreck 57150

Field Value
Wreck Category dangerous wreck
Wreck Location
Marine Coordinates (DMM) 		50 50.863 N,1 1.473 E
Latitude, Longitude
Decimal Degrees
  • Latitude: 50.847717
  • Longitude: 1.024550
Wreck Depth 22.5 m
Water Depth 32 m
Water Level Effect always under water/submerged
Vertical Datum Approximate Lowest Astronomical Tide
Type Caisson
Length 158.5 m
Width 13.7 m
Sonar Length 146
Sonar Width 25
Shadow Height 9.6
Orientation 20
Conspic Visual not visually conspicuous
Conspic Radar not radar conspicuous
Bottom Texture Sand
Original Detection Year 1960
Last Detection Year 2006
Original Source survey vessel
Surveying Details H5824/60 3.3.61 H5824/60 3.3.61 WK 84FT IN 505049N, 010132E USING DECCA. [UNCORRECTED]. (HMS SCOTT, 24.3.60). CHART AS NDW. H5824/60 16.11.61 H5824/60 16.11.61 OROPESA SWEEP CLEAR AT 65FT. LEAST E/S DEPTH 83FT IN GEN DEPTH 111FT. (HMS SCOTT, 23.2.61). 14.7.71 14.7.71 NOW CHARTED AS WK 19.8MTRS [10FMS 5FT]. NC 536. H5824/60 2.9.71 H5824/60 2.9.71 INS AS SW 10FMS 5FT [19.8MTRS]. (HMS SCOTT). - NM 1410/71. H6738/68 1.3.72 H6738/68 1.3.72 CONCRETE OBSTRUCTION LENGTH 150-200FT LOCATED USING DECCA. (FOLKESTONE SALVAGE CO). H4199/78 12.10.78 H4199/78 12.10.78 LOCATED 4.8.77 IN 505051N, 010134E [OGB] TRISPONDER [2 LOP]. LEAST E/S DEPTH 24.6 IN GEN DEPTH 32-33MTRS. SCOUR 34MTRS. DCS3 HT 9.1MTRS, LENGTH 200MTRS. LYING APPROX 135/315DEGS AND LOOKS TO BE NEARLY BROKEN IN TWO AT ITS MID POINT. (HMS BULLDOG, HI 35/77). AMEND TO WK 22.0MTRS IN REVISED POSN. BR STD. H2330/84 3.3.86 H2330/84 3.3.86 EXAM'D 16.11.85 IN 505050N, 010134E [OGB] USING TRISPONDER [3 LOP]. LEAST E/S DEPTH 23.6 IN GEN DEPTH 33MTRS. NO SCOUR. HYDROSEARCH SHADOW HT 8.6MTRS. LIES BROKEN IN TWO NEAR MID POINT. NORTHERN SECTION LIES 035/215DEGS WITH LENGTH 86MTRS, SOUTHERN SECTION 000/180DEGS WITH LENGTH 74MTRS. SMALL ADDITION SECTION OF WKGE LIES 70MTRS W OF S END OF UNIT AND HAS HEIGHT OF 3.8MTRS. CHART SW 23.6MTRS. (HMS BULLDOG, HI 240B). AMEND TO WK 23.5MTRS IN REVISED POSN. BR STD. HH091/159/01 20.7.07 HH091/159/01 20.7.07 LOCATED 5050.863N, 0101.473E [WGD] USING DGPS. LEAST M/B DEPTH 22.67 IN GEN DEPTH 32.0MTRS. LENGTH 146MTRS, WIDTH 25MTRS, HT 9.6MTRS. LIES 020/200 DEGS OVERALL. STRONG MAGNETIC ANOMALY. (OSAE, HI 1159). BROKEN, TWO PARTS ADJACENT. DEBRIS LIES 99MTRS, 230 DEGS FROM S END. AMEND WK 22.5MTRS IN REVISED POSN. BR STD.
Last Amended Date Sep 6, 2007

General Comments

BROKEN INTO TWO ADJACENT PARTS

WRECK MAP LOADING ... 50 50.863 N,1 1.473 E
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