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
  • Latitude: 51.500417
  • Longitude: -8.792767
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).

General Comments

UPRIGHT, INTACT, BOWS SW

WRECK MAP LOADING ... 51 30.025 N,8 47.566 W
Hms Alyssum (Probably) on Wreck Map Hms Alyssum (Probably) Wreck on Google Map

Nearby Wrecks:

FAQ

Where is the HMS ALYSSUM (PROBABLY) wreck located?

The HMS ALYSSUM (PROBABLY) wreck is located at coordinates 51 30.025 N,8 47.566 W.

How deep is the HMS ALYSSUM (PROBABLY) and where exactly is it located?

The HMS ALYSSUM (PROBABLY) lies at a depth of about 66 meters and is located at coordinates 51 30.025 N,8 47.566 W.

How deep is the seabed around the HMS ALYSSUM (PROBABLY)?

The seabed around the HMS ALYSSUM (PROBABLY) lies at approximately 77 meters deep.

When did the HMS ALYSSUM (PROBABLY) sink?

The HMS ALYSSUM (PROBABLY) sank on Mar 18, 1917.

When was the wreck of the HMS ALYSSUM (PROBABLY) discovered?

The wreck of the HMS ALYSSUM (PROBABLY) was discovered in 1917.

What country did the HMS ALYSSUM (PROBABLY) belong to?

The HMS ALYSSUM (PROBABLY) belonged to GB.

What was the tonnage of the HMS ALYSSUM (PROBABLY)?

The HMS ALYSSUM (PROBABLY) had a tonnage of 1250 tons.

What type of wreck is the HMS ALYSSUM (PROBABLY)?

The HMS ALYSSUM (PROBABLY) is classified as a sloop.