Sommeina (Probably) Wreck

Field Value
Wreck Category non-dangerous wreck
Status Dead = Not detected by numerous sources therefore considered not to exist
Sommeina (probably) Wreck Location
Marine Coordinates (DMM) 		49 59.436 N,4 57.263 W
Latitude, Longitude
Decimal Degrees
  • Latitude: 49.990600
  • Longitude: -4.954383
Wreck Depth 65 m
Water Depth 73 m
Water Level Effect always under water/submerged
Vertical Datum Approximate Lowest Astronomical Tide
Name SOMMEINA (PROBABLY)
Type steam ship
Flag GB
Shadow Height 7.3
Tonnage 3317
Tonnage Type gross
Cargo general and mixed goods
Conspic Visual not visually conspicuous
Conspic Radar not radar conspicuous
Date Sunk Sep 15, 1917
Original Detection Year 1917
Last Detection Year 2014
Original Source published World War 1 losses
Last Amended Date Sep 22, 2014

Simplified Wreck Survey

The Sommeina shipwreck is an underwater obstruction located at coordinates 49 59.436 N, 4 57.263 W in the English Channel near The Manacles off the coast of Cornwall United Kingdom. Sunk during World War I, historical survey records from the UK Hydrographic Office note that the site was initially reported in 1976 and later investigated using Decca navigation and sonar equipment, with subsequent surveys in 2014 listing the wreck as dead after not being located by multibeam sonar and magnetometer.

Surveying Details

SANK 4M SE OF THE MANACLES. (LL WW1). H2979/74 19.2.76 FF REPD IN 495927N, 045714W USING DECCA. (E GILES, HYDROSERVE LTD., 29.1.76). H1309/75/464 6.7.76 CONFIRMED CONTACT IN 495927N, 045714W USING DECCA. (CPO CAKEBREAD, RNAS CULDROSE). INS AS FOUL. BR STD. 5.7.85 WK LOCATED IN 495924N, 045712W [OGB] USING DECCA. STANDS 4FMS ABOVE SEABED. (C WILLIAMS, RECORDED TAPE). AMEND WK 65MTRS. BR STD. SEP 2014/000153151 22.9.14 NOT LOCATED 2014 USING M/B & MAGNETOMETER. (MMT, HI 1455). AMEND DEAD.

Circumstances of loss

PASSAGE NORTH SHIELDS FOR LEGHORN WITH 'ADMIRALTY CARGO'. MINED APPROX 4M SE OF THE MANACLES. (WW1SL & LL WW1).

WRECK MAP LOADING ... 49 59.436 N,4 57.263 W
Sommeina (Probably) on Wreck Map Sommeina (Probably) Wreck on Google Map

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FAQ

Where is the SOMMEINA (PROBABLY) wreck located?

The SOMMEINA (PROBABLY) wreck is located at coordinates 49 59.436 N,4 57.263 W.

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

The SOMMEINA (PROBABLY) lies at a depth of about 65 meters and is located at coordinates 49 59.436 N,4 57.263 W.

How deep is the seabed around the SOMMEINA (PROBABLY)?

The seabed around the SOMMEINA (PROBABLY) lies at approximately 73 meters deep.

When did the SOMMEINA (PROBABLY) sink?

The SOMMEINA (PROBABLY) sank on Sep 15, 1917.

When was the wreck of the SOMMEINA (PROBABLY) discovered?

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

What country did the SOMMEINA (PROBABLY) belong to?

The SOMMEINA (PROBABLY) belonged to GB.

What cargo was the SOMMEINA (PROBABLY) carrying?

The SOMMEINA (PROBABLY) was carrying general and mixed goods.

What was the tonnage of the SOMMEINA (PROBABLY)?

The SOMMEINA (PROBABLY) had a tonnage of 3317 tons.

What type of wreck is the SOMMEINA (PROBABLY)?

The SOMMEINA (PROBABLY) is classified as a steam ship.

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