Sperrbrecher 138 Wreck
| Field | Value |
|---|---|
| Wreck Category | dangerous wreck |
|
Sperrbrecher 138 Wreck Location Marine Coordinates (DMM) |
53 35.933 N,6 16.651 E |
| Latitude, Longitude Decimal Degrees |
|
| Wreck Depth | 14.9 m |
| Water Depth | 15 m |
| Water Level Effect | always under water/submerged |
| Vertical Datum | Lowest Astronomical Tide |
| Name | SPERRBRECHER 138 |
| Type | minesweeper |
| Flag | DE |
| Tonnage | 1262 |
| Tonnage Type | gross |
| Conspic Visual | not visually conspicuous |
| Conspic Radar | not radar conspicuous |
| Date Sunk | Dec 23, 1942 |
| Bottom Texture | Sand |
| Original Detection Year | 1948 |
| Last Detection Year | 2025 |
| Original Source | national HO/authority notice to mariners |
| Surveying Details | H2930/48 21.6.48 WK 7MTRS [3.75FMS] IN 533559N, 061633E, MARKED BY G CAN BUOY, W TOPMARK. (NETHERLANDS NM 128/1767/48) - NM 1369/48. H2930/48 29.1.55 LEAST DEPTH OVER WK NOW 7.5MTRS [4FMS]. (HAMBURG NMS). - NM 150/55. H2930/48 3.10.57 SWEPT CLEAR AT 6.8MTRS [3FMS 4FT]. (HAMBURG NM3036/57). - NM 2336/57. H4073/60 5.12.63 BUOY NOW G SPAR, W TOPMARK. (HAMBURG NM 3129/63 & HAGUE NM 2454/63). BR STD. H5850/48 11.2.66 NOW SWEPT CLEAR AT 7.7MTRS [4FMS 1FT]. (HAMBURG NM 3831/65). BR STD. H2930/48 9.4.68 DISPERSAL OPS IN PROGRESS. (HAMBURG NM 4192T/67 & HAGUE NM 2924T/67). NCA. H2930/48 23.10.68 SALVAGE OPS COMPLETED. BUOY REMOVED. SWEPT CLEAR AT 14MTRS [7FMS 3FT]. (HAMBURG NM 4139/68) SWEPT CLEAR AT 13.7MTRS [DATUM DIFFERENCE]. (NETHERLANDS NM 2755/68). - NM 1852/68. 16.3.72 SW 14MTRS SHOWN IN 533557N, 061636E [EUR], GOOD SONAR CONTACT, ON GERMAN WK CHART 87 [1971 EDN]. H4745/62 30.11.81 SWEPT CLEAR AT 15.3MTRS [8FMS 2FT] IN 533558N, 061635E [EUR]. (HAMBURG NM 3853/81). BR STD. 9.5.83 STILL SHOWN AS WK SW 13.7MTRS [7FMS 3FT] ON NETHERLANDS 1458 [1983 EDN]. NCA. 8.1.87 SHOWN AS WK SW 15MTRS ON GERMAN 90D [1986 EDN] & NETHERLANDS 1458 [1985 EDN]. NE 3761. 10.6.92 CONFIRMATION OF ABOVE. (NETHERLANDS WK RECORDS, 1990 EDN, NO.N7 412) 10.10.94 MOVED TO 533600N, 061644E ON NETHERLANDS 146 [SEP '94 EDN]. BR STD. 23.9.00 SHOWN AS WK SW 14.8MTRS IN 5335.960N, 0616.653E [WGD] ON NETHERLANDS 2593 [NOV '00 CO-PRODUCTION PROOF]. NC 2539. 13.3.08 SHOWN AS WK SW 14.6MTRS [LAT] ON GERMAN 90 [INT 1461] [FEB '07 EDN, LARGEST SCALE ADOPTION]. NE 3631. 15.7.08 SHOWN AS WK SW 14.8MTRS [MLLWS] ON GERMAN 87 [INT 1413] [APR '06 EDN CORRECT TO 5.1.07, 2ND SCALE ADOPTION]. NC 1635. 8.4.11 SHOWN AS SW 14.6MTRS [LAT] IN 5335.926N, 0616.655E [WGD] ON BA 1633 [EDN 2 DTD 23.12.10]. |
| Last Amended Date | Aug 26, 2025 |
Circumstances of loss
EX-MERCANTILE FRIEDRICH KARL. BUILT IN 1938. STRUCK A MINE & SANK N OF SCHIERMONNIKOOG. (GERMAN SURFACE VESSEL VOL 2).
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