St Mark Wreck

Field Value
Wreck Category dangerous wreck
St mark Wreck Location
Marine Coordinates (DMM) 		52 59.759 N,1 29.491 E
Latitude, Longitude
Decimal Degrees
  • Latitude: 52.995983
  • Longitude: 1.491517
Wreck Depth 14.5 m
Water Depth 22 m
Water Level Effect always under water/submerged
Vertical Datum Approximate Lowest Astronomical Tide
Name ST MARK
Type Safety/Rescue Vessel
Flag GB
Length 42.7 m
Width 8.5 m
Draught 4
Sonar Length 45
Sonar Width 10
Shadow Height 7.4
Orientation 95
Tonnage 407
Tonnage Type gross
Conspic Visual not visually conspicuous
Conspic Radar not radar conspicuous
Date Sunk Aug 6, 1990
Bottom Texture 17,4,6
Scour Dimensions 015.0,,001.0,090.0
Original Detection Year 1990
Last Detection Year 2014
Original Source other
Surveying Details HH242/353/01 8.8.90 SUNK IN 525944N, 012933.5E. MARKED BY S CARD EMERGENCY BUOY, Q(6) + LFL 15S, 1 CABLE S AND N CARD BUOY, VQ, RACON 'D', 1 CABLE N. (YARMOUTH MRCC, TELEX 7.8.90 & OCC, TH, FAX 7.8.90). WZ ISSUED. HH242/353/01 13.8.90 ABOVE REPEATED. (TH NM 28/90 B8). S CARD STANDARD BUOY NOW IN POSN. (TH TELEX 8.8.90). INS AS DW WITH BUOY. - NM 2384/90. HH242/353/01 5.9.90 POSN CONFIRMED BY HSA. LEAST DEPTH OBTAINED DURING BOAT EXAMINATION ON 7.8.90 WAS 6.1MTRS [LAT]. WEATHER UNSUITABLE FOR BOAT SWEEP. (THV PATRICIA, 8.8.90). NCA. HH242/353/01 10.10.90 OWNERS, THE COLNE SHIPPING CO. LTD, GIVEN PERMISSION TO ARRANGE SURVEY AND DISPERSAL OF WK. (TH, 20.9.90). HH242/353/01 18.2.91 EXAM'D 20.1.91. SWEPT CLEAR AT 4.45, FOUL AT 5.50MTRS. LEAST E/S DEPTH 5.05MTRS [LAT]. LIES APPROX E/W IN GEN DEPTH 20MTRS. (THV PATRICIA, WK REPORT, 20.1.91). 26.1.91 UNDERWRITERS HAVE CONTRACTED WITH HUMBER SALVAGE UK TO DISPERSE WK. PLAN TO COMMENCE WORK ON 26.1.91 SUSPENDED DUE TO WEATHER CONDITIONS AND POOR UNDERWATER VIS. ONCE COMMENCED WORK SHOULD ONLY TAKE 2 TO 3 DAYS. (ANDREW M JACKSON & CO, SOLICITORS, 25.1.91; LL 28.1.91; OCC HARWICH, TELEX 29.1.91 AND TELECON 18.2.91). NCA. HH242/353/01 6.3.91 RACON (D) ON N CARD BUOY TO BE DISCONTINUED ON, OR ABOUT, 22.3.91. (TH NM 12/91). AMEND TO SW 4.4MTRS. DELETE RACON. - NM 784 /91. HH242/353/01 30.4.91 DISPERSAL OPS TO COMMENCE EARLY JUNE '91. (OCC, TH HARWICH, 8.4.91). HH242/353/01 11.6.91 REPORTED TO HAVE BEEN CLEARED TO 18.3MTRS. (ANDREW M JACKSON & CO., 28.5.91). NCA YET. AWAIT TH NM. HH242/353/01 17.6.91 NOW SWEPT CLEAR AT 13.5MTRS IN GEN DEPTH 21MTRS. BUOYS PERMANENTLY WITHDRAWN. (OCC TH HARWICH, TELEX 17.6.91). - NM 1847/91. HH242/353/01 23.7.91 CHAIN SWEPT 14.6.91. CLEAR AT 13.5, FOUL AT 14.7MTRS. LEAST E/S DEPTH 13.6MTRS [LAT]. (THV PATRICIA, 14.6.91 & THNM 27/91). NFA. HH090/543/01 10.2.92 LOCATED 7.11.91 IN 525943N, 012934.6E [OGB] USING TRISPONDER [4 LOP]. NOT FULLY EXAM'D. LEAST E/S DEPTH OBTAINED 15.8 IN GEN DEPTH 24MTRS. DCS3 HT 7.3MTRS. LARGE WK, APPARENTLY UPRIGHT AND LYING 020/200 DEG. GAVE MAGNETOMETER RESPONSE. RETAIN AS CHARTED. (NP 1016, HI 543). NCA. SEP 2015/000041896 27.5.15 EXAM'D 17.10.14 IN 5259.759N, 0129.491E [WGD]. LEAST M/B DEPTH 14.57MTRS. SCOUR DEPTH 1MTRS, EXTENDS 15MTRS TOWARDS 090DEGREES. LENGTH 45MTRS, WIDTH 10MTRS, HT 7.4MTRS. LIES 095/275 DEGS. STRONG MAGNETIC ANOMALY. INTACT AND UPRIGHT.(GARDLINE GEOSURVEY HI 1427). AMEND DW 14.5MTRS IN REVISED POSN.
Last Amended Date May 27, 2015

Circumstances of loss

SANK FOLLOWING A COLLISION WITH DUTCH M TUG VIKINGBANK.

General Comments

HULL INTACT, UPRIGHT

WRECK MAP LOADING ... 52 59.759 N,1 29.491 E
St Mark on Wreck Map St Mark Wreck on Google Map

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FAQ

Where is the ST MARK wreck located?

The ST MARK wreck is located at coordinates 52 59.759 N,1 29.491 E.

How deep is the ST MARK and where exactly is it located?

The ST MARK lies at a depth of about 14.5 meters and is located at coordinates 52 59.759 N,1 29.491 E.

How deep is the seabed around the ST MARK?

The seabed around the ST MARK lies at approximately 22 meters deep.

When did the ST MARK sink?

The ST MARK sank on Aug 6, 1990.

When was the wreck of the ST MARK discovered?

The wreck of the ST MARK was discovered in 1990.

What country did the ST MARK belong to?

The ST MARK belonged to GB.

What was the tonnage of the ST MARK?

The ST MARK had a tonnage of 407 tons.

What type of wreck is the ST MARK?

The ST MARK is classified as a safety/rescue vessel.

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