Mardyke Wreck

Field Value
Wreck Category dangerous wreck
Mardyke Wreck Location
Marine Coordinates (DMM) 		52 30.34 N,1 47.942 E
Latitude, Longitude
Decimal Degrees
  • Latitude: 52.505667
  • Longitude: 1.799033
Wreck Depth 3.5 m
Water Depth 5 m
Water Level Effect always under water/submerged
Vertical Datum Approximate Lowest Astronomical Tide
Name MARDYKE
Type tug
Flag GB
Sonar Length 10
Sonar Width 8
Shadow Height 0.5
Orientation 135
Conspic Visual not visually conspicuous
Conspic Radar not radar conspicuous
Date Sunk Dec 21, 1973
Bottom Texture Sand
Original Detection Year 1973
Last Detection Year 2005
Original Source national HO/authority wreck information
Surveying Details H2098/74 2.8.74 POSN 523020N, 014803E. MARKED BY G CON BUOY CLOSE W. (HBR MSTR, LOWESTOFT). INS AS ST. - NM 1604/74. H2098/75 8.12.75 DELETE BUOY. AMEND TO DW. (HMS ECHO, HN DTD 21.11.75). - NM 2486/75. H4403/71 16.11.79 THOUGH REPORTED AS NOT FOUND, INDICATIONS OF WKGE EVIDENT ON E/S. STANDING ABOUT 0.5MTR ABOVE GEN DEPTH. (SOISS, HI 63B/79). CHART AS FOUL. BR STD. H1960/79 19.5.80 NOT LOCATED. (HMS ECHO, HI 62C/80). NCA. H2042/81 29.9.82 EXAM'D 12.7.82 IN 523027N, 014840E USING HFIX/6 [2 LOP]. LEAST E/S DEPTH 10.3 IN GEN DEPTH 15MTRS. POSSIBLY A WRECK AND CONSIDER IT MAY BE THE 'MARDYKE'. (SOISS, HI 86). AMEND TO WK 10.3MTRS. BR STD. H2042/82 8.9.83 EXAM'D 28.6.83 IN 523011N, 014902E USING HIFIX/6 [2 LOP]. LEAST E/S DEPTH 16.3 IN GEN DEPTH 19-20MTRS. NO SCOUR. DCS3 HT 3.3MTRS, LENGTH APPROX 33MTRS. LYING NNW/SSE ON EDGE OF HOLM SAND. (SOISS, HI 127). AMEND TO WK 16.3MTRS. BR STD. H2909/83 9.1.85 NOT LOCATED. GEN DEPTH NOW 15.7MTRS. RETAIN AS CHARTED. (HMS ENTERPRISE, HI 188). NCA. H2339/85 17.6.86 NOT FOUND. (NP 1016, HI 306). AMEND TO FOUL. BR STD. H4022/86 15.6.87 NOT SEEN ON DCS3 AND NO MAGNETIC ANOMALY DETECTED. GEN DEPTH NOW 6MTRS. RECOMMEND RETAIN AS CHARTED. (NP 1016, HI 371). NCA. H6333/87 NOT FOUND. GEN DEPTH 6-8MTRS. (NP 1016, HI 416). H3931/88 18.7.89 NOT FOUND DURING ROUTINE DCS3 SEARCH. NO MAGNETOMETER DEFLECTION. GEN DEPTH NOW 7MTRS. UNEVEN SEABED. RECOMMEND DELETE. (NP 1016, HI 453). DELETED. BR STD. HH090/488/01 11.7.90 NOT FOUND. (NP 1016, HI 488). NCA. HH090/513/01 14.6.91 NOT FOUND. GEN DEPTH NOW 7.5MTRS. (NP 1016). NCA. HH090/545/01 9.6.92 NOT FOUND. (NP 1016, HI 545). NCA. HH090/570/01 28.7.93 NOT FOUND. (NP 1016, HI 570). NCA. HH090/570/01 28.7.93 SMALL WK LOCATED 10.6.93 IN 523018.4N, 014803.3E [OGB] USING TRISPONDER [3 LOP]. LEAST E/S DEPTH 4.7 IN GEN DEPTH 5.1-5.4MTRS. NO SCOUR. LENGTH 75MTRS, WIDTH 5MTRS. LIES 025/205DEGS. SLIGHT, DISTINCT MAGNETIC ANOMALY. APPARENTLY COMPLETELY BURIED EXCEPT FOR N END. (NP 1016, HI 570). INS AS WK 4.7MTRS. BR STD. HH090/623/01 5.5.94 CONSIDERED TO BE LONG NATURAL FEATURE. SLIGHT MAGNETOMETER DEFLECTION BUT NOT LOCATED WITH E/S. LEAST DEPTH 4.1MTRS OBTAINED IN AREA OF UNDULATING SEABED. RECOMMEND NCA. (NP1016, HI 623). AMENDED TO WK 4.1MTRS. BR STD. HH090/662/01 8.6.95 EXAM'D 5.5.95 IN 523018.4N, 014803.6E [OGB] USING DGPS. LEAST E/S DEPTH 3.3 IN GEN DEPTH 4.5MTRS. NO SCOUR. NO DCS3 HT. LENGTH 5MTRS, WIDTH 2MTRS. STRONG MAGNETIC ANOMALY. CONSIDERED TO BE MAINLY BURIED. (NP 1016, HI 662). BR STD. HH090/687/01 24.4.96 LOCATED BY MAGNETOMETER ONLY. NOT EXAMINED. (NP 1016, HI 687). NCA. HH090/733/01 18.4.97 LOCATED BY MAGNETOMETER ONLY. (NP 1016, HI 733). NCA. HH090/766/01 13.5.98 LOCATED BY MAGNETOMETER ONLY. (NP 1016, HI 766). NCA. HH090/848/01 26.5.99 LOCATED BY MAGNETOMETER ONLY. GEN DEPTH 4.1MTRS. (NP 1016, HI 848). NCA. HH090/883/01 28.3.00 LOCATED BY MAGNETOMETER WITH SLIGHT SHOWING ON DCS3. GEN DEPTH 6MTRS. (NP 1016, HI 883). NCA. HH090/942/01 11.6.01 LOCATED BY DCS3 AND MAGNETOMETER. GEN DEPTH 5MTRS. (NP 1016, HI 942). NCA. HH090/998/01 2.9.02 NOT LOCATED. (NP 1016, HI 989). NCA. HH091/020/01 24.4.03 NOT LOCATED. (NP 1016, HI 1020). NCA. HH901/111/01 12.8.05 EXAM'D 10.4.05 IN 5230.340N, 0147.942E [WGD] USING DGPS. LEAST M/B DEPTH 3.50 IN GEN DEPTH 4MTRS. NO SCOUR. LENGTH 10MTRS, WIDTH 8MTRS, HT 0.5MTR. LIES 135/315 DEGS. STRONG MAGNETIC ANOMALY. SINGLE, SMALL, INTACT CONTACT. (NP 1016, HI 1111). AMEND WK 3.5MTRS. BR STD.
Last Amended Date Aug 12, 2005

Circumstances of loss

CAPSIZED AND STRANDED ON WEST SIDE HOLM SAND, WHEN ATTEMPTING TO REFLOAT M TRAWLER 'GRENADA'. 'GRENADA' LATER SALVED.

General Comments

SINGLE FIRM CONTACT, ?DEBRIS

WRECK MAP LOADING ... 52 30.34 N,1 47.942 E
Mardyke on Wreck Map Mardyke Wreck on Google Map

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FAQ

Where is the MARDYKE wreck located?

The MARDYKE wreck is located at coordinates 52 30.34 N,1 47.942 E.

How deep is the MARDYKE and where exactly is it located?

The MARDYKE lies at a depth of about 3.5 meters and is located at coordinates 52 30.34 N,1 47.942 E.

How deep is the seabed around the MARDYKE?

The seabed around the MARDYKE lies at approximately 5 meters deep.

When did the MARDYKE sink?

The MARDYKE sank on Dec 21, 1973.

When was the wreck of the MARDYKE discovered?

The wreck of the MARDYKE was discovered in 1973.

What country did the MARDYKE belong to?

The MARDYKE belonged to GB.

What type of wreck is the MARDYKE?

The MARDYKE is classified as a tug.

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