Hms Caroline (Aft Part) Wreck

Field Value
Obstruction Category foul ground
Hms caroline (aft part) Wreck Location
Marine Coordinates (DMM) 		51 41.339 N,5 8.947 W
Latitude, Longitude
Decimal Degrees
  • Latitude: 51.688983
  • Longitude: -5.149117
Wreck Depth 17.41 m
Water Depth 22 m
Water Level Effect always under water/submerged
Vertical Datum Approximate Lowest Astronomical Tide
Name HMS CAROLINE (AFT PART)
Type trawler
Flag GB
Sonar Length 8.13
Sonar Width 7.02
Shadow Height 1.97
Orientation 270
Tonnage 253
Tonnage Type gross
Cargo ballast
Conspic Visual not visually conspicuous
Conspic Radar not radar conspicuous
Date Sunk Apr 28, 1941
Bottom Texture 4,6,17,7
Original Detection Year 1955
Last Detection Year 2023
Original Source other
Surveying Details H5901/54 31.8.55 NDW IN 514116.5N, 050854W [OGB]. (QHM, PEMBROKE DOCK). - NM 2058/55. H5901/54 8.12.61 NO TRACE OF WK BY E/S. BECAUSE OF SHOALER WATER TO SW, GENERAL AREA ONLY SWEPT TO 49FT AND LOCAL AREA TO 61FT. NO FOULS. SHOAL FOUND ABOUT 250FT NW WHICH GIVES SHARP WK-LIKE ECHO WHEN RUN OVER IN N/S DIRECTION. GENERAL DEPTH 49FT WITH ONE PINNACLE. SWEPT CLEAR AT 43FT IN 514118N, 050857W. (HMS SHACKLETON, 1961). AMEND TO F. - NM 1203/61. H1309/75/458 9.12.75 REPORTED BY SUB-AQUA DIVER THAT WRECK WAS REMOVED FROM HER SUNKEN POSN IN 1955. BOW SECTION DEPOSITED NEAR THE 'DAKOTIAN' AND REAR SECTION DEPOSITED 065DEGS, 10.1C FROM LT HO [NOT KNOWN IF OLD OR NEW LTHO]. (S V CLARKSON, LETTER DTD 2.12.75). NCA. 12.10.05 EUT POSN: 5141.301N, 0508.964W. NE 3273. HH091/095/01 16.11.05 EXAM'D 25.10.05 IN 5141.299N, 0508.968W [WGD] USING DGPS. LEAST M/B DEPTH 20.63 IN GEN DEPTH 22MTRS. NO SCOUR. FOUL GROUND CONFIRMED COVERING SOME 60MTRS BY 20MTRS. (HMSML GLEANER, HI 1059). AMEND FOUL 20.5MTRS IN REVISED POSN. BR STD. SEP 2022/000131013 17.09.21 EXAM'D BY BDC FROM MHPA SURVEY DTD 17.09.21 NOTHING SIGNIFICANT IN DATA, (UKHO, H525.2 FEATURE REPORT). AMEND DEAD AND LTA TO DELETE FROM CHARTS. RSDRA202200013013 17.09.21 EXAM'D BY BDC FROM MHPA SURVEY DTD 17.09.21 NOT lOCATED IN DATA, (UKHO, H525.2 FEATURE REPORT). STATUS REVERTED TO UNDEFINED CHART ACTION UNDELETED FROM NAV BAND. RSDRA2025000292248 17.09.2025 EXAM'D 16.07.2023; LOCATED IN 5141.339N, 0508.947W [WGD]. LEAST M/B DEPTH 17.41MTRS IN GEN DEPTH 19MTRS. LENGTH 8.13MTRS, WIDTH 7.02MTRS, HEIGHT 1.97MTRS, ORIENTATION 270/90DEGS. BELIEVED TO BE HMS CAROLINE AFT END, REMAINS INTACT WITH NO OBVIOUS DEBRIS FIELD. (HMS MAGPIE, HI1807-H525-12005, DTD 16.07.2023). AMEND OBSTRN 17.4MTRS. RSDRA2025000055367 04.02.25 NOT LOCATED IN M/B DATASET 2024. NFS. (MILFORD HAVEN PORT AUTHORITY SURVEY, DTD 26.09.2024). RETAIN OBSTRN 17.4MTRS.
Last Amended Date Sep 17, 2025

Circumstances of loss

BUILT IN 1930 BY N V SCHPS V/H BONN & MEES, ROTTERDAM. ONE BOILER, TRIPLE EXPANSION ENGINE OF 84NHP, SINGLE SHAFT. HIRED BY THE RN FROM 1940, CONVERTED INTO A MINESWEEPER AND GIVEN A DUTCH CREW. DETONATED A GERMAN MINE. (SIBI).

General Comments

The obstruction is believed to be HMS Caroline aft end, remains intact with no obvious debris field

WRECK MAP LOADING ... 51 41.339 N,5 8.947 W
Hms Caroline (Aft Part) on Wreck Map Hms Caroline (Aft Part) Wreck on Google Map

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FAQ

Where is the HMS CAROLINE (AFT PART) wreck located?

The HMS CAROLINE (AFT PART) wreck is located at coordinates 51 41.339 N,5 8.947 W.

How deep is the HMS CAROLINE (AFT PART) and where exactly is it located?

The HMS CAROLINE (AFT PART) lies at a depth of about 17.41 meters and is located at coordinates 51 41.339 N,5 8.947 W.

How deep is the seabed around the HMS CAROLINE (AFT PART)?

The seabed around the HMS CAROLINE (AFT PART) lies at approximately 22 meters deep.

When did the HMS CAROLINE (AFT PART) sink?

The HMS CAROLINE (AFT PART) sank on Apr 28, 1941.

When was the wreck of the HMS CAROLINE (AFT PART) discovered?

The wreck of the HMS CAROLINE (AFT PART) was discovered in 1955.

What country did the HMS CAROLINE (AFT PART) belong to?

The HMS CAROLINE (AFT PART) belonged to GB.

What cargo was the HMS CAROLINE (AFT PART) carrying?

The HMS CAROLINE (AFT PART) was carrying ballast.

What was the tonnage of the HMS CAROLINE (AFT PART)?

The HMS CAROLINE (AFT PART) had a tonnage of 253 tons.

What type of wreck is the HMS CAROLINE (AFT PART)?

The HMS CAROLINE (AFT PART) is classified as a trawler.

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