Cambrian Wreck

Field Value
Wreck Category dangerous wreck
Cambrian Wreck Location
Marine Coordinates (DMM) 		50 44.506 N,1 3.397 W
Latitude, Longitude
Decimal Degrees
  • Latitude: 50.741767
  • Longitude: -1.056617
Wreck Depth 1 m
Water Depth 4 m
Water Level Effect always under water/submerged
Vertical Datum Approximate Lowest Astronomical Tide
Name CAMBRIAN
Type military vessel
Flag GB
Length 42.3 m
Width 7.3 m
Draught 4.1
Sonar Length 54.1
Sonar Width 18.7
Shadow Height 2.9
Orientation 75
Tonnage 338
Tonnage Type gross
Conspic Visual not visually conspicuous
Conspic Radar not radar conspicuous
Date Sunk May 30, 1940
Bottom Texture Sand
Original Detection Year 1940
Last Detection Year 2013
Original Source other
Markers UNLIT S CARDINAL, 100MTRS S
Surveying Details H0521/40 5.9.40 H0521/40 5.9.40 BOOM DEFENCE VESSEL 130DEGS, 8.4C FROM HORSE SAND FORT LT. DRIES 8FT [MLWS]. (C-IN-C PORTSMOUTH, 11.7.40). CHART AS ST. - NM 2200/40. H5136/45 29.10.45 H5136/45 29.10.45 REPD POSN 131DEGS, 7.4C FROM HORSE SAND FORT. (CSO VERNON). AMEND TO DW IN 504430N, 010322W. - NM 3394/45. H5136/45 5.7.50 H5136/45 5.7.50 WK IN 3 PORTIONS CONSISTING OF JAGGED IRON PLATES, LARGEST AWASH AT LWST. 2 OTHER PARTS HAVE LEAST DEPTHS 2FT & 3FT IN 504430N, 010322W. (SCESU, 2.6.50). NCA. H5136/45 5.7.50 H5136/45 5.7.50 G CONL BUOY LAID CLOSE SE OF WK. (C-IN-C PORTSMOUTH & KHM PORTSMOUTH). - NM 1277/50. H1181/51 5.7.50 H1181/51 5.7.50 NOT SWEPT, CLOSELY SOUNDED WITH E/S. MAIN PART OF WK DRIES WITH 2 PARTS WITHIN 140FT BEARING 074DEGS & 115DEGS FROM THE MAIN PART. POSN 504428N, 010321W OR 131.5DEGS, 7.55C FROM HORSE SAND FORT LT. (SCES, 9.5.50). NCA. H( H(W)0202/50 & H0434/53 CONFIRMED BY A/S. 318DEGS, 6M NAB TR. (HMS MARVEL). NCA. H3722/54 15.7.54 H3722/54 15.7.54 POSN OF BUOY NOW CLOSE S OF WK. (YACHT 'LUTINE'). - NM 1526/54. H3359/59 6.7.60 H3359/59 6.7.60 CENTRAL & LONGEST PART HAS 1FT OVER. EAST PART HAS 2FT OVER. WEST PART HAS 3FT OVER. (SCES, 1959). NCA. H4661/68 6.5.68 H4661/68 6.5.68 WK IS BEGINNING TO BREAK UP. THE HIGHEST POINT IS NOW THE EASTERN PART, WHERE THE TOP OF A RIB JUST DRIES [ALLOWING FOR THE CHANGE IN DATUM THIS PART IS THE SAME AS IT WAS IN 1959]. THE CENTRAL PART NOW HAS 9FT OF WATER OVER IT [10FT MORE THAN IN 1959] & THE WESTERN PART HAS 3FT OVER IT [2FT MORE THAN IN 1959]. (FSL WATERWITCH, R-OF-S, 1968). NCA. 23.10.68 23.10.68 A REQUEST TO PURCHASE FROM K J FRANCIS ESQ N/CP85/56423/68. (D OF C(N)). NCA. H1248/70 16.2.70 H1248/70 16.2.70 REPD THAT HIGHEST POINT OF WK IS ONLY 5FT BENEATH SURFACE ON A SPRING TIDE, THUS STILL VERY DANGEROUS TO NAVIGATION. (M R MASKNET, LTR REC'D 16.2.70). NCA. H2435/72 4.5.72 H2435/72 4.5.72 POSN VERIFIED ON SOUNDING LINES. E/S 2.0MTRS [6FT]. (SCES, ROS DTD 7.2.72). NCA. H2377/75 10.4.75 H2377/75 10.4.75 EXAMINED 21.5.74 USING HSA. LEAST DEPTH 0.6MTRS. (SCES, 1974). NCA. H2377/75 7.5.76 H2377/75 7.5.76 WK REPD TO BE MORE EXTENSIVE THAN PREVIOUSLY THOUGHT, TO BE IN TWO PARTS. LEAST DEPTH 0.9MTRS IN POSN 131.5DEGS(T), 1420MTRS FROM HORSE SAND FORT LT. WK BUOY MOVED TO 134.5DEGS, 1500MTRS FROM HORSE SAND FORT LT. (FSL WATERWITCH HN 1/76, 3.5.76). AMEND TO WK 0.9MTRS IN 504428N, 010321W & WK 2.7MTRS IN 504432N, 010320W (SEE [19475]). BUOY MOVED APPROX 100MTRS S. - NM 990/76. H2377/75 13.7.76 H2377/75 13.7.76 MAIN WRECKAGE REPD NOW IN 4 PARTS: BOW 82FT LONG, STERN INCLUDING RUDDER & PROPELLER 48FT LONG, BOILER 15FT DIAMETER, MAST/DERRICK 40FT LONG. LEAST DEPTH NOW 0.1MTRS IN 504428N, 010320W, OVER BOW SECTION. MOVEMENT OF WK SINCE 1972 SURVEY IS PRESUMED TO BE DUE TO EXTENSIVE DREDGING OF S EXTREMITY OF BANK ON WHICH WK LIES, TO PROVIDE MATERIAL FOR CONSTRUCTION OF M27 MOTORWAY. WK BUOY MOVED TO NEW POSN 135DEGS, 7.8C APPROX FROM HORSE SAND FORT (QHM PORTSMOUTH, 2.7.76). SALVAGE OPS, TO REMOVE WK OR CUT DOWN TO SAFE DEPTH, COMMENCED 5.7.76 TO LAST 3 MONTHS APPROX. (PORTSMOUTH LOCAL NM 19/76). - NM 1410T/76. H4824/75 7.2.78 H4824/75 7.2.78 NOT INVESTIGATED AS DEMOLITION OPS IN PROGRESS. MARKED BY MOORING BUOY. TEMPORARY, BUT HAS BEEN IN SITU FOR ALMOST A YEAR. (SCES, H1 270, 6.9.77). NCA. H4824/75 20.8.80 H4824/75 20.8.80 PORTION IN 504428.3N, 010321W [OGB] EXAM'D ON 12.7.79 USING TRISPONDER [2 LOP] & HSA. LEAST E/S DEPTH 0.8 IN GEN DEPTH 5MTRS. SALVAGE OPS APPARENTLY CEASED. HIGHEST POINT MARKED BY YELLOW PELLET. WK BUOY MARKED 'CAMBRIAN', CLOSE SE. (HMS WATERWITCH, HI 80B/79). AMEND S PORTION TO WK 0.8MTRS. BR STD. H4824/75 16.9.82 H4824/75 16.9.82 FOLLOWING DIVING OPS, INDICATIONS ARE WK MAY BE SHIFTING OR BREAKING UP. AREA 280MTRS RADIUS FROM BUOY CONSIDERED FOUL. WK SYMBOLS SHOULD REMAIN AS CHARTED. (QHM PORTSMOUTH, HN CAMB/82, 6.9.82). CHART AS PECKED CIRCLE 280MTR RADIUS CENTRED ON 504424N, 010320W [OGB] WITH LEGEND 'FOUL'. - NM 2406/82. H2071/82 14.3.86 H2071/82 14.3.86 EXAM'D 28.10.85 IN 504427.7N, 010318.5W [OGB] USING TRISPONDER [3 LOP]. LEAST E/S DEPTH 0.2 IN GEN DEPTH 4.5MTRS. NO SCOUR. VERY BROKEN UP & CONSISTING OF TWO MAJOR PIECES OF WRECKAGE. THE LEAST DEPTH WAS LOCATED IN POSN INDICATED ABOVE, THIS SECTION BEING 30MTRS LONG & LYING NW/SE. A SMALLER SECTION WAS LOCATED 30MTRS TO THE W & HAD LEAST DEPTH 0.8MTRS. OTHER WRECKAGE WAS FOUND TO THE N & NW. (SEE WK [19475] IN 504430N, 010320W). (HMSML GLEANER, HI 142). EXTEND EXISTING DANGER LINE SE TO INCLUDE 504428N, 010318.5W & AMEND DEPTH TO 0.2MTRS. - NM 963/86. 23.2.90 23.2.90 SHOWN AS 'WKS' DEPTH 0.2MTRS IN 504428N, 010318.5W [OGB] WITH DANGER LINE EXTENDED SW, MARKED BY G CONL BUOY IN 504424.3N, 010320W, WITH FOUL AREA RADIUS 280MTRS CENTRED ON BUOY, ON NE 2050. (SEE ALSO WK 2.1MTRS [19475] IN 504428N, 010318.5W). HH232/600/10 12.2.03 HH232/600/10 12.2.03 BUOY NOW UNLIT S CARDINAL. (QHM PORTSMOUTH, EMAIL DTD 10.2.04). - NM ACTION. 16.10.13 16.10.13 EXAM'D 30.6.13 IN 5044.506N, 0103.397W [WGD]. LEAST M/B DEPTH 1.1 IN GEN DEPTH 4MTRS. NO SCOUR. LENGTH 54.1MTRS, WIDTH 18.7MTRS, HT 2.9MTRS. LIES 075/255 DEGS. STRONG MAGNETIC ANOMALY. BROKEN INTO MANY PARTS. (NETSURVEY, HI 1437). VERY BROKEN UP, LARGEST CONTACT (?BOILER) AT SW END. AMEND DWP 1.1MTRS, CENTRED ON 5044.506N, 0103.397W [WGD], LENGTH 54MTRS, WIDTH 19MTRS, LYING 075/255 DEGS. S CARD BUOY & FOUL AREA TO BE RETAINED. 11.11.13 11.11.13 LEAST M/B DEPTH 1.09MTRS. (SDC BATHY EXAMINATION OF DIGITAL DATA FOR HI 1437). AMEND DWP 1MTR. RSDRA2024000067458 06.03.24 M/B SURVEY (MEAN BIAS) SHOWS FEATURE SW OF CAMBRIAN WK THAT IS DEEPER THAN THE PREVIOUS SURVEY. (H525.2 BASED ON DIVECO MARINE LTD SURVEY DTD 02.10.23). NFA.
Last Amended Date Nov 11, 2013

Circumstances of loss

EX-STELLA PROCYON '39, EX-OCEAN KNIGHT '35, EX-LORD DERBY '35. BUILT IN 1924 BY COCHRANE & SONS LTD, SELBY. ONE BOILER, TRIPLE EXPANSION ENGINE OF 96NHP, SINGLE SHAFT. REQUISITIONED AS BOOM DEFENCE VESSEL IN 9.1939. STRUCK A MINE AND FOUNDERED. DISPERSED WITH EXPLOSIVES IN THE LATE 1970S. (SIBI).

General Comments

VERY BROKEN UP, FOUL AREA NOT CENTRED ON WK

WRECK MAP LOADING ... 50 44.506 N,1 3.397 W
Cambrian on Wreck Map Cambrian Wreck on Google Map

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FAQ

Where is the CAMBRIAN wreck located?

The CAMBRIAN wreck is located at coordinates 50 44.506 N,1 3.397 W.

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

The CAMBRIAN lies at a depth of about 1 meters and is located at coordinates 50 44.506 N,1 3.397 W.

How deep is the seabed around the CAMBRIAN?

The seabed around the CAMBRIAN lies at approximately 4 meters deep.

When did the CAMBRIAN sink?

The CAMBRIAN sank on May 30, 1940.

When was the wreck of the CAMBRIAN discovered?

The wreck of the CAMBRIAN was discovered in 1940.

What country did the CAMBRIAN belong to?

The CAMBRIAN belonged to GB.

What was the tonnage of the CAMBRIAN?

The CAMBRIAN had a tonnage of 338 tons.

What type of wreck is the CAMBRIAN?

The CAMBRIAN is classified as a military vessel.

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