River Witham Wreck
| Field | Value |
|---|---|
| Wreck Category | dangerous wreck |
|
River witham Wreck Location Marine Coordinates (DMM) |
53 33.672 N,0 8.741 E |
| Latitude, Longitude Decimal Degrees |
|
| Wreck Depth | 13.95 m |
| Water Depth | 18 m |
| Water Level Effect | always under water/submerged |
| Vertical Datum | Approximate Lowest Astronomical Tide |
| Name | RIVER WITHAM |
| Type | coaster |
| Flag | GB |
| Sonar Length | 34.3 |
| Sonar Width | 8.13 |
| Shadow Height | 4.3 |
| Orientation | 295 |
| Conspic Visual | not visually conspicuous |
| Conspic Radar | not radar conspicuous |
| Date Sunk | Jul 13, 1945 |
| Scour Dimensions | 012.9,009.9,001.8,061 |
| Original Detection Year | 1945 |
| Last Detection Year | 2020 |
| Original Source | national HO/authority notice to mariners |
| Surveying Details | H3607/45 2.8.45 DW LIES SUNK IN 533335N, 000843E, OR 137DEGS, 14.8C FROM SPURN MAIN LTHO. MARKED BY G SPH LT BUOY, FL.G.4S CLOSE S. (HUMBER CON BD, 16.7.45). - NM 2302/45. H4984/47 - H7931/46 30.7.47 SWEPT CLEAR AT 35FT, FOUL AT 36FT, SEABED 54FT. LIES IN A DEEP HOLE IN 533334N, 000842E, 142.5DEGS, 1.476M FROM SPURN LTHO. (HMS SCOTT, 1946-1947). - NM 2004/47. H3607/45 10.11.47 DISPERSED, LT BUOY REMOVED. (HUMBER CONSERVANCY BOARD N57/47 DTD 28.10.47). DELETE BUOY. - NM 2956/47. H6450/68 5.12.68 EXAM'D 6.6.68 IN 533341N, 000848E [OGB] USING HIFIX [2 LOP]. SWEPT CLEAR 40FT, NOT FOULED. LEAST E/S DEPTH 47FT IN GEN DEPTH 38-54FT. SCOUR 61FT. LENGTH 400-500 YDS. LYING IN A DEEP HOLE ON A VERY UNEVEN BOTTOM. A DIFFICULT WRECK TO SWEEP AS THE SEABED TO THE WEST OF IT IS ABOVE THE TOP OF THE WRECK PERMITTING A CLEARANCE SWEEP ONLY. (HMS ENTERPRISE, HI 39/68). - NM 232/69. H2395/73 9.1.74 EXAM'D IN 533341N, 000848E [OGB] USING HIFIX [2 LOP]. LEAST E/S DEPTH 14.6 IN GEN DEPTH 19.0MTRS. SCOUR 20MTRS. LIES IN SCOUR. APPROX 30MTRS LONG, LYING NW/SE. (HMS ECHO, HI 46/73). RETAIN AS SW 11.8MTRS. HH091/178/01 4.3.08 NOT LOCATED BY M/B. (HMSML GLEANER, HI 1178). CHARTED GEN DEPTH IS 8MTRS. ASSUMED BURIED. AMEND DEAD. BR STD. SEP 2021/000067871 18.5.20 EXAM'D 18.05.20 IN 5333.672N, 0008.741E [WGD]. LEAST M/B DEPTH 13.95MTRS IN GEN DEPTH 18MTRS, LENGTH 34.30MTRS, WIDTH 8.13MTRS, HEIGHT 4.30MTRS, ORIENTATION 295 DEGS. SCOUR LENGTH 12.95MTRS, WIDTH 9.89MTRS, 1.85MTRS DEEP, TOWARDS 061 DEGS. WRECK STANDING UP, HULL INTACT. (CLINTON MARINE SURVEY, HI 1683). AMEND DW 13.9MTRS IN REVISED POSN. |
| Last Amended Date | Apr 9, 2021 |
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