Hms Alyssum (Probably) Wreck
| Field | Value |
|---|---|
| Wreck Category | non-dangerous wreck |
|
Hms alyssum (probably) Wreck Location Marine Coordinates (DMM) |
51 30.025 N,8 47.566 W |
| Latitude, Longitude Decimal Degrees |
|
| Wreck Depth | 66 m |
| Water Depth | 77 m |
| Water Level Effect | always under water/submerged |
| Vertical Datum | Approximate Lowest Astronomical Tide |
| Name | HMS ALYSSUM (PROBABLY) |
| Type | sloop |
| Flag | GB |
| Length | 81.7 m |
| Width | 10.1 m |
| Draught | 3.7 |
| Sonar Length | 59 |
| Sonar Width | 10 |
| Shadow Height | 4.5 |
| Orientation | 41 |
| Tonnage | 1250 |
| Tonnage Type | gross |
| Conspic Visual | not visually conspicuous |
| Conspic Radar | not radar conspicuous |
| Date Sunk | Mar 18, 1917 |
| Debris Field | ?POSSIBLE DEBRIS TO NORTH |
| Original Detection Year | 1917 |
| Last Detection Year | 2013 |
| Original Source | national HO/authority files |
| Surveying Details | H6907/29 SUNK IN 513000N, 084800W APPROX. (AUTHORITY NOT STATED). NCA. H1310/85/27 10.9.85 WK LOCATED IN 513003N, 084721W [OSI]. POSN BY DECCA. (G WILLIAMS, 17.8.85). INS AS WK USC 60MTRS. BR STD. SEP 2014/000158190 8.8.14 EXAM'D 1`5.7.13 IN 5130.025N, 0847.566W [WGD]. LEAST M/B DEPTH 66.2 IN GEN DEPTH 77.4MTRS. SCOUR 0.2MTR DEEP AT WK. LENGTH 59MTRS, WIDTH 19MTRS, HT 4.5MTRS. LIES 041/221 DEGS WTH BOWS SW. STRONG MAGNETIC ANOMALY. GENERALLY INTACT. AREA OF DEBRIS, OR PART OF WK, LIES 15MTRS N. (RV CELTIC VOYAGER, CV13_02, INFOMAR). UPRIGHT. AMEND WK 66MTRS IN REVISED POSN. |
| Last Amended Date | Aug 8, 2014 |
Circumstances of loss
BUILT IN 1915 BY EARLE'S SHIPBUILDING CO LTD, HULL. FOUR BOILERS, TRIPLE EXPANSION ENGINE OF 2400NHP, SINGLE SHAFT. ON WAR PATROL AS CONVOY ESCORT. MINED WHILE CARRYING OUT CONVOY ESCORT DUTIES. (SIBI).
Nearby Wrecks:
- Pegu Wreck 3159.1 M
- Kayside Wreck 3250.5 M
- Akassa Wreck 4023.9 M
- Spectator (Probably) Wreck 7316.6 M
- Hms Mignonette Wreck 9244.1 M
- Rosses Morn Wreck 9946.8 M
- Norwegian Wreck 10453.5 M
- Faulconnler Wreck 10649.2 M
- Cliftonian Wreck 11080.5 M
- Bell Rose Wreck 11330.7 M
General Comments
UPRIGHT, INTACT, BOWS SW