Gemma Wreck
| Field | Value |
|---|---|
| Wreck Category | dangerous wreck |
| Status | Dead = Not detected by numerous sources therefore considered not to exist |
|
Gemma Wreck Location Marine Coordinates (DMM) |
54 10.846 N,0 6.938 W |
| Latitude, Longitude Decimal Degrees |
|
| Wreck Depth | 15 m |
| Water Depth | 36 m |
| Water Level Effect | always under water/submerged |
| Vertical Datum | Approximate Lowest Astronomical Tide |
| Name | GEMMA |
| Type | steam ship |
| Flag | GB |
| Length | 78 m |
| Width | 11 m |
| Draught | 4.6 |
| Tonnage | 1385 |
| Tonnage Type | gross |
| Cargo | coal |
| Conspic Visual | not visually conspicuous |
| Conspic Radar | not radar conspicuous |
| Date Sunk | Oct 19, 1917 |
| Original Detection Year | 1917 |
| Last Detection Year | 2016 |
| Original Source | other |
| Surveying Details | H7200/17 POSN 541050N, 000650W PA. - FNM 719/17. H124/19 3.1.19 5 MILES N BY W FROM FLAMBOROUGH HEAD. NO OBSTRUCTION FOUND. (AUTHORITY NOT KNOWN). H3752/26 11.6.26 INS AS NDW (1917). H4593/59 10.1.59 AMEND TO NDWPA. NC 1200. 5.12.75 AMEND TO USCPA 15MTRS. NC 129. HH090/730/01 17.12.97 NOT SURVEYED AS LIES WITHIN FISHING AREA EXCLUSION ZONE. (GARDLINE, HI 730). NCA. SEP 2016/00007250 25.5.16 NOT LOCATED BY M/B. (EGS PIONEER, HI1472). AMEND DEAD. |
| Last Amended Date | Jun 21, 2016 |
Circumstances of loss
BUILT IN 1904 BY FLENSGURGER SCIFFSG. GES., FLENSBURG. OWNED AT TIME OF LOSS BY THE ADMIRALTY (EVERETT, MANAGERS). ONE BOILER, TRIPLE EXPANSION ENGINE OF 106HP. SINGLE SHAFT. PASSAGE BLYTH FOR LONDON. CARGO 210 TONS COAL. TORPEDOED BY UB-21.
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