Wreck: Name nicht bekannt (Caisson)

This is the information page about the shipwreck Name nicht bekannt, the water chart below shows the wreck in its immediate vicinity. The position of this wreck is 50 44.751 N,0 42.2 W (50.6523667, -0.6161833)


 

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The texts accompanying this shipwreck are in English ๐Ÿ‡ฌ๐Ÿ‡ง, as they are prepared by the UK Hydrographic Office (UKHO) based on data from UKHO and the hydrographic services of the Netherlands, Belgium and Germany, among others. They include the known details of the wreck and the comments of the cartographers who have checked the position and condition of the wreck over time.

 

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Shipwreck details

Name: Name nicht bekannt

Length 62 meter, width: 17 meter, draught: 6, tonnage 6044 ton

Year of registration: 1944

Water depth above wreck: 7 meter, Height above seabed: 204 cm

Known since: 1944, last detected: 2019

Details measurements/cartography: 21.12.44 VISIBLE AT ALL STATES OF THE TIDE IN 504445N, 004215W APPROX BY BEARING AND DISTANCE. (C-IN-C PORTSMOUTH, 22.11.44). CHART AS ST PA.

- NM 2866/44. H04726/44 11.9.47 NO LONGER VISIBLE AT ALL STATES OF THE TIDE. FIXED IN 504441N, 004206W BY BEARING & DISTANCE. (CSO PORTSMOUTH, 26.8.47).

- NM 2394/47. 1.4.52 NOW CHARTED AS ST (DRIES 7FT). (AUTHORITY NOT STATED). NC 2045. H1175/58 25.6.58 DRYING WK NOT VISIBLE. (SCES, 20.5.58). CHART AS DW.

- NM 1292/58. 18.12.73 NOW CHARTED AS DW WITH BN (REMAINS) ON S SIDE OF WK. (AUTHORITY NOT STATED). NC 1652. H2318/74 16.9.75 PHOENIX UNIT FIXED IN 504442N, 004206W BY HSA. WK AWASH. GENERAL DEPTH 6.9MTRS. POSN GIVEN IS THAT OF THE NORTHERN END WHERE THE LEAST DEPTH WAS OBTAINED. CHARTED POSN CORRESPONDS TO CENTRE OF WK. NO LONGER MARKED BY BEACON. LOCATED 5.6.75. (SCES, HI NO.62/75). CHART AS DW (AWASH), DELETE BN (REMAINS). R/P. H] 1.12.75 N/CP 56203/75 [FROM D. OF C.] WK IDENTIFIED AS A WW2 LANDING CRAFT BY THE BSAC [BILLINGSHURST BRANCH]. WRECK DIVED ON; LIES UPRIGHT, IS ABOUT 46FT LONG, 13FT 10IN WIDE. RAMP IN DOWN POSITION, 2 X 6 CYLINDER OIL ENGINES IN STERN SECTION. REQUEST TO PURCHASE. (D J BARNARD, BILLINGSHURST, LTRS DTD 24/4/75 & 29/10/75). H4822/75 22.3.77 EXAMINED BY SCESU 18.5.76 FIXED BY HI-FIX. REPORTED BY KINGSTON SUB-AQUA CLUB TO BE DEFINITELY SECTION OF MULBERRY. LYING AT AN ANGLE TO THE SEABED. THE NORTHERN END THE SHOALEST AT 0.1MTRS. (FSL WATERWITCH HI 73/76). NE 1652. H2318/74 6.11.79 NCS111/1511 APPLICATION MADE TO PURCHASE THIS WK, AND DECLARE IT A NATIONAL UNDERWATER NATURE RESERVE. [DRAWING IN H2318/74]. (UNDERWATER CONSERVATION SOCIETY,15.10.79). 27.2.80 CONFIRMED AS CONCRETE STRUCTURE. REPORTED TO BE JUST VISIBLE AT LWS. RECOMMENDED TO BE EITHER DEMOLISHED OR MARKED BY A PILE BEACON. (MOORING & SALVAGE OFFICER, PORTSMOUTH, 29.1.80 IN NCS 111/1511 & D/NL/63/1/35). R/P. H2595/80 4.7.80 PROPOSED SALE TO U.C.S CAN BE APPROVED IF PURCHASERS ERECT PILE BN TO MARK WK. (NCS111/1511, 23.6.80). 29.1.87 PSA UNABLE TO LOCATE WK, DESIGNATED SE14, WHEN ATTEMPTING TO MARK IT WITH A BN IN SEPT 1986. (D/NL/35/3/5, 4.1.87). NCA YET. H4822/75 25.6.87 LOCATED IN 504442N, 004207W USING TRISPONDER. LEAST E/S DEPTH 4.3MTRS. (HMSML GLEANER, 266/382, 18.5.87). [PREDICTED TIDAL REDUCTION -3.4MTRS]. NCA. 23.4.99 THIS IS A 6,044 TON TYPE A-1 MULBERRY UNIT, BUILT 1943, CONCRETE WITH STEEL REINFORCING RODS, 'EGG-BOX' CONSTRUCTION OF 22 COMPARTMENTS. WAS PART OF PRE-FAB D-DAY HARBOURS BEING TOWED BY TUGS TO NORMANDY. BOFORS GUN ON TOP PLATFORM AMIDSHIPS. AFTER BEING RAISED IN 1944, SETTLED AGAIN AND BROKE BACK ACROSS HOLE THAT WAS FORMER 'PARKING' PLACE. SHOWED 40FT UNTIL USED FOR RAF ROCKET TARGET. KNOWN AS THE 'FAR MULBERRY'. NOW VERY BROKEN AND PARTLY BURIED UNDER SAND/SHINGLE. S END WEED COVERED,TOWING BOLLARDS IN PLACE ON E SIDE. (DIVER MAGAZINE APRIL '99). HH091/003/01 17.1.02 EXAM'D 30.11.02 IN 5044.742N, 0042.223W [WGD] USING DGPS. LEAST E/S DEPTH 0.1 IN GEN DEPTH 7MTRS. NO SCOUR. LENGTH 60MTRS, WIDTH 25MTRS. DCS3 HT 4MTRS. LIES 000/180 DEGS. MODERATE MAGNETIC ANOMALY. NOT SWEPT AS YELLOW SPHERICAL BUOY IS ATTACHED TO WK. (NP 1016, HI 1003). BR STD. (SEP 2019/000094901) 17.05.19 EXAM'D 18.10.18 IN 5044.751N, 0042.200W [WGD]. LEAST M/B DEPTH -0.06MTRS IN GEN DEPTH 7MTRS. LENGTH 66.3MTRS, WIDTH 28.6MTRS, HEIGHT 6.5MTRS, ORIENTATION 024/204 DEGS. YELLOW SPHERICAL BUOY IS ATTACHED TO WK. (CLINTON MARINE SURVEY AB, HI 1561). AMEND DW TO -0.1MTRS IN REVISED POSITION. 13.8.20 A-1 Type Mulberry Unit LOCATED IN 5044.751N, 0042.200W [WGD] HAS BEEN AWARDED SCHEDULED MONUMENT STATUS (The Ancient Monuments and Archaeological Areas Act 1979), DTD 31/5/2019. LIST ENTRY NUMBER 1452912. ADD "HISTORIC" TO STATUS.
Comment researcher: UK Hydrographic Office

Commentaar onderzoeker: A-1 TYPE MULBERRY UNIT PARTLY BURIED

Position: 50 44.751 N,0 42.2 W

 

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