Hercules Wreck
| Field | Value |
|---|---|
| Wreck Category | dangerous wreck |
|
Hercules Wreck Location Marine Coordinates (DMM) |
54 10.873 N,0 9.667 W |
| Latitude, Longitude Decimal Degrees |
|
| Wreck Depth | 24.2 m |
| Water Depth | 27 m |
| Water Level Effect | always under water/submerged |
| Vertical Datum | Approximate Lowest Astronomical Tide |
| Name | HERCULES |
| Type | steam ship |
| Flag | GB |
| Length | 64.3 m |
| Width | 10.4 m |
| Draught | 4.9 |
| Sonar Length | 81.7 |
| Sonar Width | 18.03 |
| Shadow Height | 3.7 |
| Tonnage | 1095 |
| Tonnage Type | gross |
| Cargo | ballast |
| Conspic Visual | not visually conspicuous |
| Conspic Radar | not radar conspicuous |
| Date Sunk | Mar 25, 1918 |
| Scour Dimensions | 082.3,,001.2,071 |
| Original Detection Year | 1918 |
| Last Detection Year | 2016 |
| Original Source | national HO/authority notice to mariners |
| Surveying Details | H1741/18 POSN 541010N, 000915W. 4M NNW FROM FLAMBOROUGH HEAD. - FNM 235/18. H1741/18 WK NOT VISIBLE BUT BUOYED. - FNM 235/18. H5039/18 25.9.18 0FMS OVER WK, BUOY WITHDRAWN. INS AS WK 10FMS (1918). - FNM 616/18. 10.4.24 AMEND TO NDW. BR STD. 21.6.72 AMEND TO WK 18.2MTRS. NC 129. 5.12.74 AMEND TO WK 17.0MTRS. (CHANGE OF DATUM). NC 129. H1283/76/107 1.4.76 LYING IN APPROX 100FT OF WATER. APPEARS TO BE BADLY BROKEN UP BUT MOST OF IT STILL REMAINS. (A GODFREY, LTR DATED 29.3.76). H1310/84/43 27.6.86 REPD IN 40946N, 000915W. POSN FRO DECCA. (MR DODGSON 28.11.84). H1310/86/20 7.8.86 WK IN 541019N, 000933W, POSSIBLY HERCULES. E/S INDICATES STANDING 3 TO 4 MTRS ABOVE SEABED. UNDERWATER VISIBILITY VERY LIMITED. ONE LARGE AND ONE SMALL ADMIRALTY PATTERN ANCHOR FOUND. LARGER HAD SHANK 3.5MTRS LONG. (B WINFIELD, 26.7.86). NCA. HH090/730/01 19.11.97 NOT SURVEYED AS LIES WITHIN FISHING AREA EXCLUSION ZONE. (GARDLINE, HI 730). NCA. HH100/351/13 30.4.98 LIES IN 541051N, 000937W [WGD] BY GPS. LEAST DEPTH 26MTRS IN GEN DEPTH 30MTRS. INFORMATION FROM FILEY DIVING CLUB, WHO SAY THERE ARE THREE WRECKS IN THE VICINITY. (A C JACKSON & C A RACEY, LTR DTD 14.4.98). INS AS WK 25MTRS. BR STD. SEP 2016/00007250 24.05.16 EXAM'D 17.2.16 IN 5410.873N, 0009.667E [WGD]. LEAST M/B DEPTH 24.2 MTRS IN GEN DEPTH 27MTRS. SCOUR LENGTH 82.3MTRS, 1.2MTRS DEEP TOWARDS 071DEGS. LENGTH 81.7 MTRS, WIDTH 18.03 MTRS, HT 3.7 MTRS, ORIENTATION 254/074. STRONG MAGNETIC ANOMALY. WK BROKEN APART WITH DEBRIS TO THE SOUTH. AREAS OF SCOUR ALL AROUND WK. (EGS, HI472). AMEND TO DW 24.2MTRS IN REVISED POSN. |
| Last Amended Date | May 24, 2016 |
Circumstances of loss
TORPEDOED AND SUNK BY GERMAN SUBMARINE UB 21.
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