Where is the SEA DIAMOND wreck located?

The SEA DIAMOND wreck is located at coordinates 52 28.016 N,1 47.536 E.

How deep is the SEA DIAMOND and where exactly is it located?

The SEA DIAMOND lies at a depth of about 6.6 meters and is located at coordinates 52 28.016 N,1 47.536 E.

How deep is the seabed around the SEA DIAMOND?

The seabed around the SEA DIAMOND lies at approximately 10 meters deep.

When did the SEA DIAMOND sink?

The SEA DIAMOND sank on Jan 12, 1978.

When was the wreck of the SEA DIAMOND discovered?

The wreck of the SEA DIAMOND was discovered in 1978.

What country did the SEA DIAMOND belong to?

The SEA DIAMOND belonged to GR.

What cargo was the SEA DIAMOND carrying?

The SEA DIAMOND was carrying salt.

What was the tonnage of the SEA DIAMOND?

The SEA DIAMOND had a tonnage of 498 tons.

What type of wreck is the SEA DIAMOND?

The SEA DIAMOND is classified as a motor vessel.

Sea Diamond Wreck Coordinates

Field	Value
Wreck Category	dangerous wreck
Status	Dead = Not detected by numerous sources therefore considered not to exist
Sea diamond Wreck Location Marine Coordinates (DMM)	52 28.016 N,1 47.536 E
Latitude, Longitude Decimal Degrees	Latitude: 52.466933 Longitude: 1.792267
Wreck Depth	6.6 m
Water Depth	10 m
Water Level Effect	always under water/submerged
Vertical Datum	Approximate Lowest Astronomical Tide
Name	SEA DIAMOND
Type	motor vessel
Flag	GR
Length	58.8 m
Width	8.8 m
Draught	3.7
Sonar Length	40
Sonar Width	5
Shadow Height	1.5
Orientation	45
Tonnage	498
Tonnage Type	gross
Cargo	salt
Conspic Visual	not visually conspicuous
Conspic Radar	not radar conspicuous
Date Sunk	Jan 12, 1978
Bottom Texture	Sand
Original Detection Year	1978
Last Detection Year	2022
Original Source	Lloyd's and Marine Underwriter's reports
Surveying Details	13.1.78 DISTRESS SIGNAL GAVE POSN 522800N,014800E. CAPSIZED VESSEL LOCATED IN POSN BY NIMROD A/C. (LL, 13.1.78). H2334/75 2.2.78 POSN SHIFTED TO 102DEGS, 1.5M APPROX FROM LOWESTOFT S PIER (APROX 522757N, 014753E). TOP OF ACCOMMODATION SHOWS AT LOW WATER. VESSEL BROKEN IN TWO. BOW APPEARS TO HAVE SLIPPED INTO DEEPER WATER. (GORLESTON CG, TLX DTD 27.1.78 TELECON WITH LOWESTOFT HAVENMASTER 2.2.78). INS AS ST (DRIES 2.3MTRS) IN 522738N, 014708E [OGB]. - NM 407(P)/78. 2.2.78 TH HARWICH STATES NO SURVEY YET CONDUCTED. POSN 522758N, 014750E APPROX. (TELECON CDR EVANS 2.2.78). H2334/75 6.2.78 FIXED IN 522738N, 014708E [OGB] USING HSA. WK SPLIT IN TWO, BUT NOT SEPARATED. LYING ON STBD SIDE HEADING APPROX 070DEGS. PORT SIDE OF BRIDGE STRUCTURE DRIES 1.84MTRS [MLWS]. BOW SECTION SUBMERGED. GEN DEPTH 5.9MTRS. AFT SECTION LYING 020/200DEGS, BOW SECTION 100/280DEGS. (TH HARWICH, TLX DTD 6.2.78). INS AS ST (DRIES 2.3MTRS). H2334/75 21.3.78 WK REPD NOW TO HAVE 'MOVED' TO 522801N, 014736E. PART DRIES 2MTRS IN GEN DEPTH 6.1MTRS & FOR'D PART HAS LEAST DEPTH OF 2MTRS. MARKED TEMPORARILY BY BUOY 270DEGS, 200FT FROM WK. (TH, TELECON 21.3.78). - NM 745P/78 & BR STD. H2334/75 10.5.78 CONFIRMED LYING IN TWO PARTS. ORIENTATED EAST/WEST, CENTRED ON 522801N, 014736E, 100FT APART. W SECTION DRIES 1.5MTRS. E SECTION CLEAR AT 0.5MTRS IN GEN DEPTH 3.5MTRS. THE BUOY WILL BE REMOVED ON PUBLICATION OF NM. (TH, LTR DTD 5.5.78). - NM 1217/78. H2334/78 30.7.78 W CARD BUOY CLOSE W OF WK. (TH NM 104/78). - NM 2154/78. H2098/74 13.9.78 EXAM'D 13.9.78 522759N, 014738E [OGB] USING HIFIX/6 [2 LOP]. LEAST DEPTH DRIES 1.5MTRS IN GEN DEPTH 1.9MTRS. LIES ON THE ROUNDED SUMMIT OF A SHOAL. MARKED BY Y SPH BUOY CLOSE SW. (HMS ENTERPRISE, HI 64A/78). BR STD. 20.12.78 NOW MARKED BY W CARD BUOY, APPROX 200FT W. (TH YARMOUTH, TELECON). H2098/74 8.3.79 POSN REPD AS 522758N, 014734E [OGB]. (TH LTR DTD 22.2.79). NCA. H2098/74 10.10.79 EXAM'D IN 522758.3N,014736.4E [OGB] USING HIFIX/6 [2 LOP]. LEAST E/S DEPTH 0.1MTR IN GEN DEPTH 3MTRS. SCOUR 4MTRS. BELOW SEABED LEVEL. E SECTION NOT LOCATED - PROBABLY NOW COVERED BY SAND. W SECTION IS SINKING INTO SANDBANK & MOVING TO THE SOUTH. (HMS EGERIA, HI 63A/79). BR STD. H1960/79 29.10.80 EXAM'D 11.9.80 IN 522758.2N,014737.2E [OGB] USING HIFIX/6 [2 LOP]. IN 2 SECTIONS. LARGER LIES CLOSE E OF 2MTR BANK. HAS LEAST E/S DEPTH 1.7MTRS IN GEN DEPTH 4MTRS. SCOUR 5MTRS DEEP TO E & S. LENGTH 40MTRS AND LYING 170/350DEGS. SMALLER LIES 070DEGS, 35MTRS FROM MAIN SECTION, LENGTH 10MTRS, WITH LEAST DEPTH 2MTRS AND SCOUR 3MTRS DEEP CLOSE E. BUOY NOT AS CHARTED. NOW Y SPH WITH Y DIAMOND TOPMARK & LEGEND SEA DIAMOND (HMS ECHO, HI 62A/80). TH INFORMED RE BUOY. BR STD. H1270/81 29.12.80 MAST OR DERRICK WITH PULLEY SHOWING AT LOW WATER 150YDS NNE OF WK BUOY. BELIEVED TO BE THIS WK. (FV INTRUDER, TLX DTD 26.12.80). H1960/79 16.6.82 LEAST DEPTH OVER WK ON 23.3.82 WAS 1.35MTRS. POSN UNCHANGED. (TH, 24.5.82). BR STD. H3820/79 10.9.82 BUOY REPORTED AS SPHERICAL AND NOT PILLAR. (HMS EGERIA, HN DTD, 14.6.82). TH STATE THAT IN FACT IT IS CAN SHAPED, BUT WK IS TO BE DISPERSED. NCA. H1960/79 7.3.83 SWEPT CLEAR AT 4.8MTRS AT LEVEL OF SURROUNDING DEPTH. BUOY WITHDRAWN. (TH, TLX DTD 28.2.83 & THNM 23/83). - NM 795/83. H2043/82 9.9.83 WK HAS BEEN REMOVED. NO TRACE REMAINS. (SOISS, HI 122). AMENDED TO LIFT. BR STD. HH090/688/01 25.4.96 EXAM'D 29.3.96 IN 522758.4N, 014736.8E [OGD] USING DGPS. LEAST E/S DEPTH 3.4 IN GEN DEPTH 4.5MTRS. SCOUR DEPTH 1.5MTR. NO DCS3 HT. IN TWO PARTS. W PART LENGTH 25MTRS, WIDTH 10MTRS. LIES 000/180DEGS APPROX. E PART LENGTH 10MTRS, WIDTH 10MTRS. LARGE MAGNETIC ANOMALY. SCOUR 1.5MTRS DEEP EXTENDS 30MTRS TO THE N OF THE E PART. (NP 1016, HI 688). BR STD. HH090/735/01 6.5.97 LOCATED, NOT EXAMINED. (NP 1016, HI 735). NCA. HH242/530/05 18.3.98 LARGE METAL SPAR LOCATED IN 522759.1N, 014738.5E [OGB] USING DGPS. BOOM/DERRICK IS OF STEEL CONSTRUCTION, ENCRUSTED WITH BARNACLES, AND DRIES 0.3MTR. THERE IS A BLOCK ON THE END OF THE BOOM/DERRICK, ITS DIAMETER IS 150MM AND SHOWS SIGNS OF BEING UNDERWATER FOR A CONSIDERABLE TIME. MOVEMENT OF BOOM EVIDENT. (TH, TLX DTD 14.3.98). ASSUMED TO BE THIS WK. AMEND TO DW MAST (DRIES 0.3MTR). - NM 1367/98. HH242/530/05 7.4.98 UNCHARTED WK LOCATED IN 522758.8N, 014735.8E [OGD] USING DGPS. LEAST E/S DEPTH 2.7MTRS. (NP 1016, HN DTD 30.3.98). ASSUMED TO BE THIS WK. NCA. HH090/767/01 30.6.98 EXAM'D 29.3.98 IN 522758.8N, 014735.8E [OGD] USING DGPS. LEAST E/S DEPTH 2.7 IN GEN DEPTH 4.6MTRS. DCS3 HT 1.5MTRS. SCOUR DEPTH 1.5MTRS. INVESTIGATED AFTER REPORT OF DERRICK BEING SEEN ABOVE THE SURFACE. BUOYED DERRICK TAKEN IN HAND AND RECOVERED. LATER DUMPED INSHORE TO BE RECOVERED. WK LENGTH 50MTRS, WIDTH 25MTRS. LIES 090/270DEGS. IN TWO DISTINCT PIECES WITH SCATTERED DEBRIS OF NO SIGNIFICANT HT EXTENDING 60MTRS TO THE NE. LARGER PIECE LIES TO THE W, LENGTH 25MTRS, WIDTH 25MTRS. SMALLER PIECE TO THE E, LENGTH 10MTRS, WIDTH 10MTRS. WK LIES WITHIN ITS OWN SCOUR. STRONG MAGNETIC ANOMALY NOTED. APPEARS TO HAVE NUMEROUS NETS AND LINES ATTACHED AND COULD NOT BE SWEPT. (NP 1016, HI 767). BELIEVED THAT THIS IS THE SAME WK AS [10892]. DETAILS FROM THAT RECORD TRANSFERRED HERE AND THAT RECORD AMENDED TO DEAD. IN VIEW OF SOME UNCERTAINTY OF PRECISE DATES OF INVESTIGATIONS, RETAIN AS DW MAST (DRIES 0.3MTR). NCA. HH242/530/05 22.9.98 LOCATED IN IN 522759.5N, 014738.5E [OGB]. NOTHING OF THIS WK COULD BE SEEN AT LW. LEAST E/S DEPTH 4.6MTRS. (TH MEMO DTD 10.8.98). RETAIN AS DW UNTIL NEXT SURVEY. DELETE 'MAST' AND DRYING HEIGHT. RETAIN NP 1016'S POSITION OF 29.3.98. - NM 3933/98. HH090/849/01 9.6.99 EXAM'D 21.5.99 IN 5228.000N, 0147.509E [WGD] USING DGPS. SWEPT CLEAR 3.2, FOUL 3.5MTRS. LEAST E/S DEPTH 2.6 IN GEN DEPTH 6MTRS. SCOUR 2.5MTRS. NO DCS3 HT. LENGTH 75MTRS, WIDTH 35MTRS. LIES 060/240DEGS. LARGE MAGNETIC ANOMALY. SCOUR EXTENDS 10MTRS TOWARDS 345DEGS. AN AREA OF PARTIALLY BURIED WRECKAGE AND DEBRIS. (NP 1016, HI 849). E/S RECORD IS CRISP AND FIRM. RETAIN AS DW IN AMENDED POSN UNTIL NEXT SURVEY. BR STD. HH090/884 12.4.00 EXAM'D 31.3.00 IN 5228.005N, 0147.505E [WGD] USING DGPS. SWEPT CLEAR 2.3, FOUL 2.7MTRS. LEAST E/S DEPTH 2.7 IN GEN DEPTH 5MTRS. SCOUR 5.5MTRS DEEP EXTENDS 30MTRS TOWARDS 230DEGS. LENGTH 25MTRS, WIDTH 15MTRS. DCS3 HT 3MTRS. LIES 055/235DEGS. NO DEBRIS. STRONG MAGNETIC ANOMALY. APPEARS INTACT. (NP 1016, HI 884). AMEND TO SW 2.3MTRS IN REVISED POSN. BR STD. HH242/530/06 18.4.00 FIXED IN 5227.99N, 0147.66E [OGB] USING DGPS. LEAST E/S DEPTH 4.4MTRS IN GEN DEPTH 6MTRS. (THV VECTIS SURVEY DTD 1.3.00). RETAIN NP 1016'S LATER SWEPT DEPTH ABOVE. NCA. HH090/941/01 11.6.01 EXAM'D 26.4.01 IN 5228.000N, 0147.496E [WGD] USING DGPS. SWEPT CLEAR 4.6, FOUL 5MTRS. LEAST E/S DEPTH 4.8 IN GEN DEPTH 7MTRS. SCOUR 5MTRS DEEP CLOSE TO WK. LENGTH 40MTRS, WIDTH 5MTRS. DCS3 HT 1.5MTRS. LIES 020/200 DEGS. STRONG MAGNETIC ANOMALY. WELL DEFINED AND PARTIALLY BURIED. (NP 1016, HI 941). AMEND TO SW 4.6MTRS IN REVISED POSN. BR STD. HH090/999/01 10.5.02 EXAM'D 12.3.02. CONSIDERED [10420] IS THE W END OF THIS WK WITH [10892] THE EASTERN END. LEAST E/S DEPTH 6.9MTRS OBTAINED IN 5228.015N, 0147.563E [WGD] USING DGPS. GEN DEPTH 10.1MTRS. LENGTH 55MTRS, WIDTH 20MTRS. DCS3 HT 3.0MTRS. SCOUR 6MTRS DEEP EXTENDS 60MTRS ALONG 000/180 DEGS. LIES 045/225 DEGS. MODERATE MAGNETIC ANOMALY. DEBRIS EXTENDS 60MTRS. (NP 1016, HI 999). RETAIN AS SW 4.6MTRS IN REVISED POSN. BR STD. HH242/530/08 24.5.02 SWEPT 20.4.02 IN 5228.016N, 0147.536E [WGD] USING DGPS. SWEPT CLEAR 6.6, FOUL 6.9MTRS. LEAST E/S DEPTH 6.9 IN GEN DEPTH 10.1MTRS. SCOUR 8.9MTRS DEEP. (NP 1016, HN DTD 12.5.02). - NM 2770/02. HH242/530/08 26.7.02 EXAM'D IN LISTED POSN. LEAST E/S DEPTH 7.2MTRS. APPEARS TO BE LYING IN A LARGE HOLE. (TH SURVEY DTD 12.5.02). NCA. HH091/021/01 9.5.03 LOCATED, NOT EXAMINED. GEN DEPTH 10MTRS. LENGTH 60MTRS, WIDTH 10MTRS. DCS3 HT 1.0MTRS. LIES 100/280 DEGS. STRONG MAGNETIC ANOMALY. (NP 1016, HI 1021). NCA. SEP 2006/000383662 3.11.06 NOT LOCATED BY M/B. NFS. (MARIN MATTEKNIK, HI 1164). NCA. 23.2.11 EXAM'D 14.8.10. NOT LOCATED BY M/B. GEN DEPTH NOW 5.2 - 5.4MTRS SO ASSUMED BURIED. RETAIN AS CHARTED. (MMT. HI 1338). NCA. 12.12.12 NOT LOCATED BY M/B. (NETSURVEY, HI 1397). RETAIN AS CHARTED. NCA. RSDRA2023000011569 03.02.23 NOT LOCATED IN M/B DATASET (2022). (A-2-SEA SOLUTIONS LTD, HI 1762). AMEND DEAD.
Last Amended Date	Feb 21, 2023

Wreck Category

dangerous wreck

Status

Dead = Not detected by numerous sources therefore considered not to exist

Sea diamond Wreck Location
Marine Coordinates (DMM)

52 28.016 N,1 47.536 E

Latitude, Longitude
Decimal Degrees

Latitude: 52.466933
Longitude: 1.792267

Wreck Depth

6.6 m

Water Depth

10 m

Water Level Effect

always under water/submerged

Vertical Datum

Approximate Lowest Astronomical Tide

Name

SEA DIAMOND

Type

motor vessel

Flag

GR

Length

58.8 m

Width

8.8 m

Draught

3.7

Sonar Length

40

Sonar Width

5

Shadow Height

1.5

Orientation

45

Tonnage

498

Tonnage Type

gross

Cargo

salt

Conspic Visual

not visually conspicuous

Conspic Radar

not radar conspicuous

Date Sunk

Jan 12, 1978

Bottom Texture

Sand

Original Detection Year

1978

Last Detection Year

2022

Original Source

Lloyd's and Marine Underwriter's reports

Surveying Details

13.1.78 DISTRESS SIGNAL GAVE POSN 522800N,014800E. CAPSIZED VESSEL LOCATED IN POSN BY NIMROD A/C. (LL, 13.1.78). H2334/75 2.2.78 POSN SHIFTED TO 102DEGS, 1.5M APPROX FROM LOWESTOFT S PIER (APROX 522757N, 014753E). TOP OF ACCOMMODATION SHOWS AT LOW WATER. VESSEL BROKEN IN TWO. BOW APPEARS TO HAVE SLIPPED INTO DEEPER WATER. (GORLESTON CG, TLX DTD 27.1.78 TELECON WITH LOWESTOFT HAVENMASTER 2.2.78). INS AS ST (DRIES 2.3MTRS) IN 522738N, 014708E [OGB]. - NM 407(P)/78. 2.2.78 TH HARWICH STATES NO SURVEY YET CONDUCTED. POSN 522758N, 014750E APPROX. (TELECON CDR EVANS 2.2.78). H2334/75 6.2.78 FIXED IN 522738N, 014708E [OGB] USING HSA. WK SPLIT IN TWO, BUT NOT SEPARATED. LYING ON STBD SIDE HEADING APPROX 070DEGS. PORT SIDE OF BRIDGE STRUCTURE DRIES 1.84MTRS [MLWS]. BOW SECTION SUBMERGED. GEN DEPTH 5.9MTRS. AFT SECTION LYING 020/200DEGS, BOW SECTION 100/280DEGS. (TH HARWICH, TLX DTD 6.2.78). INS AS ST (DRIES 2.3MTRS). H2334/75 21.3.78 WK REPD NOW TO HAVE 'MOVED' TO 522801N, 014736E. PART DRIES 2MTRS IN GEN DEPTH 6.1MTRS & FOR'D PART HAS LEAST DEPTH OF 2MTRS. MARKED TEMPORARILY BY BUOY 270DEGS, 200FT FROM WK. (TH, TELECON 21.3.78). - NM 745P/78 & BR STD. H2334/75 10.5.78 CONFIRMED LYING IN TWO PARTS. ORIENTATED EAST/WEST, CENTRED ON 522801N, 014736E, 100FT APART. W SECTION DRIES 1.5MTRS. E SECTION CLEAR AT 0.5MTRS IN GEN DEPTH 3.5MTRS. THE BUOY WILL BE REMOVED ON PUBLICATION OF NM. (TH, LTR DTD 5.5.78). - NM 1217/78. H2334/78 30.7.78 W CARD BUOY CLOSE W OF WK. (TH NM 104/78). - NM 2154/78. H2098/74 13.9.78 EXAM'D 13.9.78 522759N, 014738E [OGB] USING HIFIX/6 [2 LOP]. LEAST DEPTH DRIES 1.5MTRS IN GEN DEPTH 1.9MTRS. LIES ON THE ROUNDED SUMMIT OF A SHOAL. MARKED BY Y SPH BUOY CLOSE SW. (HMS ENTERPRISE, HI 64A/78). BR STD. 20.12.78 NOW MARKED BY W CARD BUOY, APPROX 200FT W. (TH YARMOUTH, TELECON). H2098/74 8.3.79 POSN REPD AS 522758N, 014734E [OGB]. (TH LTR DTD 22.2.79). NCA. H2098/74 10.10.79 EXAM'D IN 522758.3N,014736.4E [OGB] USING HIFIX/6 [2 LOP]. LEAST E/S DEPTH 0.1MTR IN GEN DEPTH 3MTRS. SCOUR 4MTRS. BELOW SEABED LEVEL. E SECTION NOT LOCATED - PROBABLY NOW COVERED BY SAND. W SECTION IS SINKING INTO SANDBANK & MOVING TO THE SOUTH. (HMS EGERIA, HI 63A/79). BR STD. H1960/79 29.10.80 EXAM'D 11.9.80 IN 522758.2N,014737.2E [OGB] USING HIFIX/6 [2 LOP]. IN 2 SECTIONS. LARGER LIES CLOSE E OF 2MTR BANK. HAS LEAST E/S DEPTH 1.7MTRS IN GEN DEPTH 4MTRS. SCOUR 5MTRS DEEP TO E & S. LENGTH 40MTRS AND LYING 170/350DEGS. SMALLER LIES 070DEGS, 35MTRS FROM MAIN SECTION, LENGTH 10MTRS, WITH LEAST DEPTH 2MTRS AND SCOUR 3MTRS DEEP CLOSE E. BUOY NOT AS CHARTED. NOW Y SPH WITH Y DIAMOND TOPMARK & LEGEND SEA DIAMOND (HMS ECHO, HI 62A/80). TH INFORMED RE BUOY. BR STD. H1270/81 29.12.80 MAST OR DERRICK WITH PULLEY SHOWING AT LOW WATER 150YDS NNE OF WK BUOY. BELIEVED TO BE THIS WK. (FV INTRUDER, TLX DTD 26.12.80). H1960/79 16.6.82 LEAST DEPTH OVER WK ON 23.3.82 WAS 1.35MTRS. POSN UNCHANGED. (TH, 24.5.82). BR STD. H3820/79 10.9.82 BUOY REPORTED AS SPHERICAL AND NOT PILLAR. (HMS EGERIA, HN DTD, 14.6.82). TH STATE THAT IN FACT IT IS CAN SHAPED, BUT WK IS TO BE DISPERSED. NCA. H1960/79 7.3.83 SWEPT CLEAR AT 4.8MTRS AT LEVEL OF SURROUNDING DEPTH. BUOY WITHDRAWN. (TH, TLX DTD 28.2.83 & THNM 23/83). - NM 795/83. H2043/82 9.9.83 WK HAS BEEN REMOVED. NO TRACE REMAINS. (SOISS, HI 122). AMENDED TO LIFT. BR STD. HH090/688/01 25.4.96 EXAM'D 29.3.96 IN 522758.4N, 014736.8E [OGD] USING DGPS. LEAST E/S DEPTH 3.4 IN GEN DEPTH 4.5MTRS. SCOUR DEPTH 1.5MTR. NO DCS3 HT. IN TWO PARTS. W PART LENGTH 25MTRS, WIDTH 10MTRS. LIES 000/180DEGS APPROX. E PART LENGTH 10MTRS, WIDTH 10MTRS. LARGE MAGNETIC ANOMALY. SCOUR 1.5MTRS DEEP EXTENDS 30MTRS TO THE N OF THE E PART. (NP 1016, HI 688). BR STD. HH090/735/01 6.5.97 LOCATED, NOT EXAMINED. (NP 1016, HI 735). NCA. HH242/530/05 18.3.98 LARGE METAL SPAR LOCATED IN 522759.1N, 014738.5E [OGB] USING DGPS. BOOM/DERRICK IS OF STEEL CONSTRUCTION, ENCRUSTED WITH BARNACLES, AND DRIES 0.3MTR. THERE IS A BLOCK ON THE END OF THE BOOM/DERRICK, ITS DIAMETER IS 150MM AND SHOWS SIGNS OF BEING UNDERWATER FOR A CONSIDERABLE TIME. MOVEMENT OF BOOM EVIDENT. (TH, TLX DTD 14.3.98). ASSUMED TO BE THIS WK. AMEND TO DW MAST (DRIES 0.3MTR). - NM 1367/98. HH242/530/05 7.4.98 UNCHARTED WK LOCATED IN 522758.8N, 014735.8E [OGD] USING DGPS. LEAST E/S DEPTH 2.7MTRS. (NP 1016, HN DTD 30.3.98). ASSUMED TO BE THIS WK. NCA. HH090/767/01 30.6.98 EXAM'D 29.3.98 IN 522758.8N, 014735.8E [OGD] USING DGPS. LEAST E/S DEPTH 2.7 IN GEN DEPTH 4.6MTRS. DCS3 HT 1.5MTRS. SCOUR DEPTH 1.5MTRS. INVESTIGATED AFTER REPORT OF DERRICK BEING SEEN ABOVE THE SURFACE. BUOYED DERRICK TAKEN IN HAND AND RECOVERED. LATER DUMPED INSHORE TO BE RECOVERED. WK LENGTH 50MTRS, WIDTH 25MTRS. LIES 090/270DEGS. IN TWO DISTINCT PIECES WITH SCATTERED DEBRIS OF NO SIGNIFICANT HT EXTENDING 60MTRS TO THE NE. LARGER PIECE LIES TO THE W, LENGTH 25MTRS, WIDTH 25MTRS. SMALLER PIECE TO THE E, LENGTH 10MTRS, WIDTH 10MTRS. WK LIES WITHIN ITS OWN SCOUR. STRONG MAGNETIC ANOMALY NOTED. APPEARS TO HAVE NUMEROUS NETS AND LINES ATTACHED AND COULD NOT BE SWEPT. (NP 1016, HI 767). BELIEVED THAT THIS IS THE SAME WK AS [10892]. DETAILS FROM THAT RECORD TRANSFERRED HERE AND THAT RECORD AMENDED TO DEAD. IN VIEW OF SOME UNCERTAINTY OF PRECISE DATES OF INVESTIGATIONS, RETAIN AS DW MAST (DRIES 0.3MTR). NCA. HH242/530/05 22.9.98 LOCATED IN IN 522759.5N, 014738.5E [OGB]. NOTHING OF THIS WK COULD BE SEEN AT LW. LEAST E/S DEPTH 4.6MTRS. (TH MEMO DTD 10.8.98). RETAIN AS DW UNTIL NEXT SURVEY. DELETE 'MAST' AND DRYING HEIGHT. RETAIN NP 1016'S POSITION OF 29.3.98. - NM 3933/98. HH090/849/01 9.6.99 EXAM'D 21.5.99 IN 5228.000N, 0147.509E [WGD] USING DGPS. SWEPT CLEAR 3.2, FOUL 3.5MTRS. LEAST E/S DEPTH 2.6 IN GEN DEPTH 6MTRS. SCOUR 2.5MTRS. NO DCS3 HT. LENGTH 75MTRS, WIDTH 35MTRS. LIES 060/240DEGS. LARGE MAGNETIC ANOMALY. SCOUR EXTENDS 10MTRS TOWARDS 345DEGS. AN AREA OF PARTIALLY BURIED WRECKAGE AND DEBRIS. (NP 1016, HI 849). E/S RECORD IS CRISP AND FIRM. RETAIN AS DW IN AMENDED POSN UNTIL NEXT SURVEY. BR STD. HH090/884 12.4.00 EXAM'D 31.3.00 IN 5228.005N, 0147.505E [WGD] USING DGPS. SWEPT CLEAR 2.3, FOUL 2.7MTRS. LEAST E/S DEPTH 2.7 IN GEN DEPTH 5MTRS. SCOUR 5.5MTRS DEEP EXTENDS 30MTRS TOWARDS 230DEGS. LENGTH 25MTRS, WIDTH 15MTRS. DCS3 HT 3MTRS. LIES 055/235DEGS. NO DEBRIS. STRONG MAGNETIC ANOMALY. APPEARS INTACT. (NP 1016, HI 884). AMEND TO SW 2.3MTRS IN REVISED POSN. BR STD. HH242/530/06 18.4.00 FIXED IN 5227.99N, 0147.66E [OGB] USING DGPS. LEAST E/S DEPTH 4.4MTRS IN GEN DEPTH 6MTRS. (THV VECTIS SURVEY DTD 1.3.00). RETAIN NP 1016'S LATER SWEPT DEPTH ABOVE. NCA. HH090/941/01 11.6.01 EXAM'D 26.4.01 IN 5228.000N, 0147.496E [WGD] USING DGPS. SWEPT CLEAR 4.6, FOUL 5MTRS. LEAST E/S DEPTH 4.8 IN GEN DEPTH 7MTRS. SCOUR 5MTRS DEEP CLOSE TO WK. LENGTH 40MTRS, WIDTH 5MTRS. DCS3 HT 1.5MTRS. LIES 020/200 DEGS. STRONG MAGNETIC ANOMALY. WELL DEFINED AND PARTIALLY BURIED. (NP 1016, HI 941). AMEND TO SW 4.6MTRS IN REVISED POSN. BR STD. HH090/999/01 10.5.02 EXAM'D 12.3.02. CONSIDERED [10420] IS THE W END OF THIS WK WITH [10892] THE EASTERN END. LEAST E/S DEPTH 6.9MTRS OBTAINED IN 5228.015N, 0147.563E [WGD] USING DGPS. GEN DEPTH 10.1MTRS. LENGTH 55MTRS, WIDTH 20MTRS. DCS3 HT 3.0MTRS. SCOUR 6MTRS DEEP EXTENDS 60MTRS ALONG 000/180 DEGS. LIES 045/225 DEGS. MODERATE MAGNETIC ANOMALY. DEBRIS EXTENDS 60MTRS. (NP 1016, HI 999). RETAIN AS SW 4.6MTRS IN REVISED POSN. BR STD. HH242/530/08 24.5.02 SWEPT 20.4.02 IN 5228.016N, 0147.536E [WGD] USING DGPS. SWEPT CLEAR 6.6, FOUL 6.9MTRS. LEAST E/S DEPTH 6.9 IN GEN DEPTH 10.1MTRS. SCOUR 8.9MTRS DEEP. (NP 1016, HN DTD 12.5.02). - NM 2770/02. HH242/530/08 26.7.02 EXAM'D IN LISTED POSN. LEAST E/S DEPTH 7.2MTRS. APPEARS TO BE LYING IN A LARGE HOLE. (TH SURVEY DTD 12.5.02). NCA. HH091/021/01 9.5.03 LOCATED, NOT EXAMINED. GEN DEPTH 10MTRS. LENGTH 60MTRS, WIDTH 10MTRS. DCS3 HT 1.0MTRS. LIES 100/280 DEGS. STRONG MAGNETIC ANOMALY. (NP 1016, HI 1021). NCA. SEP 2006/000383662 3.11.06 NOT LOCATED BY M/B. NFS. (MARIN MATTEKNIK, HI 1164). NCA. 23.2.11 EXAM'D 14.8.10. NOT LOCATED BY M/B. GEN DEPTH NOW 5.2 - 5.4MTRS SO ASSUMED BURIED. RETAIN AS CHARTED. (MMT. HI 1338). NCA. 12.12.12 NOT LOCATED BY M/B. (NETSURVEY, HI 1397). RETAIN AS CHARTED. NCA. RSDRA2023000011569 03.02.23 NOT LOCATED IN M/B DATASET (2022). (A-2-SEA SOLUTIONS LTD, HI 1762). AMEND DEAD.

Last Amended Date

Feb 21, 2023

Sea Diamond Wreck

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Sea Diamond Wreck

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