This is the information page about the shipwreck Thea, the water chart below shows the wreck in its immediate vicinity. The position of this wreck is 54 6 N,0 4.092 W (54.1, -0.0682)

The texts accompanying this shipwreck are in English 🇬🇧, as they are prepared by the UK Hydrographic Office (UKHO) based on data from UKHO and the hydrographic services of the Netherlands, Belgium and Germany, among others. They include the known details of the wreck and the comments of the cartographers who have checked the position and condition of the wreck over time.

Name: THEA

Length 35.1 meter, width: 7 meter, draught: 2.4, tonnage 273 ton

Cause: Built in 1929 by soc anon beliard crighton. owned at time of loss by h oldenburgh. 4 cylinder, 4 stroke oil engine of 47bhp, single shaft. machinery aft by humboldt-devtsmoturen, koln-devtz. passage grangemouth for antwerp. foundered. (sibi). capsized and sank on smithic sands. (a godfrey).

Year of registration: 1946

Water depth above wreck: 10 meter

Known since: 1946, last detected: 2011

Details measurements/cartography: H3069/46 24.6.46 OBSTN FOUND BY A/S OFF FLAMBOROUGH HEAD IN 540548N, 000318W. THOUGHT TO BE MV THEA. (HUMBER NM 1/46).

- NM 2049/46. H3069/46 11.12.50 NOT LOCATED IN 540548N, 000318W. AREA CLEARED BY OROPESA AT 45FT BELOW MLWS. WRECK LOCATED IN 540557N, 000400W USING HSA. SWEPT CLEAR 16FT, FOUL 17FT. LEAST E/S DEPTH 24 IN GEN DEPTH 34FT. LOCATED BY A/S. (HMS SHARPSHOOTER, 24.11.50). INS AS WK 2FM 4FT.

- NM 2395/50. H3069/46 20.12.50 SWEPT BY BOAT AND SHIP 30/11/50 & 1.12.50. LOCATED IN 540557N, 000400W. STANDS 17FT HIGH LEAST DEPTH 43 IN GEN DEPTH 60FT. UNEVEN BOTTOM IN IMMEDIATE VICINITY. (THV ALERT 2.12.50). NCA. H3069/46 28.2.51 G CONL LT BUOY, FL(3)10S LAID CLOSE E OF WK. (TH NM 16/51).

- NM 362/51. H3069/46 22.11.54 DIVING SURVEY BY BARCLOW CARRIED OUT. WRECK PARTIALLY BURIED. (DBDMS). H3069/46 23.8.55 NO LOCATED BY SONAR OR E/S. MUCH HAMPERED BY UNEVENNESS OF BOTTOM AND THE PRESENCE OF SANDWAVES. SWEPT CLEAR BETWEEN 30 - 32FT. (HMS SHACKLETON, JUNE 1955). CHART AS FOUL.

- NM 1802/55. H3069/46 22.12.55 LT BUOY REMOVED. (TH).

- NM 3094/55. H3069/46 12.6.56 THE ONLY WAR CASUALTY OF THIS NAME WAS THE DUTCH VESSEL THEA SUNK BY BOMBING IN THE PORT OF LONDON & LATER RAISED. (HN 8.6.56, AUTHORITY NOT KNOWN). H1970/63 - H3805/72 16.10.73 POSN 540558N, 000359W. DEPTH 3FMS [DATUM OF 1889]. MARKED BY G CON LT BUOY, FL(3)G.10S 090DEGS 1C FROM WK. (HMS EGERIA, HN & TH NM 82/73).

- NM 2105/73. H2529/65 8.1.74 POSN AS ABOVE USING HIFIX AND DECCA. LEAST E/S DEPTH 4.9MTRS. IN A SANDWAVE AREA. SMALL WK LYING ON EASTERN SIDE OF SANDWAVE. NOT LOCATED BY SONAR. (HMS EGERIA). H3805/72 4.2.74 DELETE WRECK BUOY. (TH HARWICH).

- NM 389/74. H4069/72 5.3.80 EXAM'D 10.10.79 IN 540558N, 000359W [OGB] USING TRISPONDER [2 LOP]. LEAST E/S DEPTH 8.1.GEN DEPTH 10MTRS. BOTTOM IRREGULAR. SCOUR DEPTH 1MTR. LENGTH 87FT, BEAM 50FT APPROX. LYING IN SANDWAVE AREA. (HMS BULLDOG, HI 47/79). BR STD. SEP 2011/000131153 2.8.11 LOCATED IN 5406.000N, 0004.092W [WGD]. LEAST M/B DEPTH 10.02MTRS. (NETSURVEY, HN DTD 12.7.11 FOR HI 1358). AMEND WK 10MTRS IN REVISED POSN. BR STD. 12.10.11 LENGTH 60MTRS [SIC], WIDTH 15MTRS, HT 5MTRS. LIES 123/303 DEGS. (NETSURVEY, HI 1358). IN TWO PARTS, QUOTED LENGTH IS BETWEEN THE TWO. NCA.
Comment researcher: UK Hydrographic Office

Commentaar onderzoeker: IN TWO PARTS IN SANDWAVE AREA

Position: 54 6 N,0 4.092 W

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