Unicorn Wreck

Field Value
Wreck Category non-dangerous wreck
Unicorn Wreck Location
Marine Coordinates (DMM) 		50 16.942 N,4 15.513 W
Latitude, Longitude
Decimal Degrees
  • Latitude: 50.282367
  • Longitude: -4.258550
Wreck Depth 45.56 m
Water Depth 48 m
Water Level Effect always under water/submerged
Vertical Datum Approximate Lowest Astronomical Tide
Name UNICORN
Type steam ship
Flag GB
Length 27.7 m
Width 6.1 m
Draught 3.4
Sonar Length 26.7
Sonar Width 9.4
Shadow Height 2.7
Orientation 290
Tonnage 134
Tonnage Type gross
Cargo construction materials
Conspic Visual not visually conspicuous
Conspic Radar not radar conspicuous
Date Sunk Apr 8, 1923
Bottom Texture Sand
Original Detection Year 1971
Last Detection Year 2020
Original Source diver
Surveying Details H4267/70 8.9.72 WK 42MTRS IN 501707N, 041522W [OGB] USING DECCA. BELIEVED TO BE 'UNICORN' FROM CARGO OF TILES. DIVED ON 19.9.71. DEPTH ABOUT 160FT [REDUCED]. IRON AND STEEL HULLED, APPROX 100FT LONG, 20-25FT BEAM. LIES NE/SW, BOWS NE AND APPEARS UNDAMAGED. NO DECK OR SUPERSTRUCTURE. LARGE SINGLE PROP STANDS 15-20FT OFF SEABED. THIS SHIP WAS IN NAVAL SERVICE 1915-1919. (MR CALKIN, KINGSTON BSAC). CHART AS WK 42MTRS. NC 1900. H4267/70 17.10.72 WK IN 501651N, 041527W [OGB] USING HSA [5 LOP]. DECCA USED. LEAST DEPTH 45.0MTRS IN 49.0MTRS. NO SONAR RESPONSE. (HMS WOODLARK, 8.9.72). NC 1900 H4979/72 2.1.73 WK IN 501651N, 041527W [OGB]. DETAILS AS ABOVE. NO SCOUR. SAND & MUD BOTTOM. FOUND AFTER CONTACTING MR. CALKIN. NO SCOUR RESPONSE & NOT DETECTED DURING SONAR SEARCH ON E/S SURVEY OF AREA. (HMS WOODLARK, 1972). NFA. 26.3.76 FISHERMENS FASTENER IN 501709N, 041524W [OGB] USING DECCA. (LTR DTD 29.1.76). 15.1.81 EXAM'D DURING SEA INSPECTION ON 17.7.80. LOCATED IN 501651N, 041526.5W [OGB] USING DCS3 & E/S. POOR SONAR RESPONSE. BY E/S STANDS 5MTRS ABOVE GEN DEPTH [NO TIDAL OBS AVAILABLE]. FISH ECHOES EXTEND SOME 9MTRS ABOVE WK. (HMS HECLA, E/S & SONAR TRACES, ADL PRINTOUT). NCA. H1961/79 18.3.81 EXAM'D 13.3.80 IN 501654N, 041526W USING TRISPONDER [2 LOP]. LEAST E/S DEPTH 46.2 IN GEN DEPTH 49MTRS. SCOUR 1MTR DEEP. DCS3 HT 3MTRS. LYING 140/320DEGS ON FINE SAND & GREY MUD. APPEARS BROKEN UP. (HMS WOODLARK HI 71A/80). NCA. H525 7.6.83 LOCATED DURING SEA INSPECTION ON 2.6.83 IN 501649N, 041522.5W [OGB] USING DECCA. (HMS FAWN, H525). NCA. HH090/594/01 30.11.94 EXAM'D 10.10.94 IN 501653.95N, 041525.48W [OGB] USING TRISPONDER [5 LOP]. LEAST E/S DEPTH 41.4 IN GEN DEPTH 48MTRS. NO SCOUR. DCS3 HT 4.3MTRS. LENGTH 30MTRS. LIES 115/295DEGS. (HMSML GLEANER, HI 594). RETAIN WK 45MTRS IN 501654N, 041525.5W [OGB]. SHOALER DEPTH IS FISH ECHOES. HH100/351/13 26.2.98 BOWS ARE FLAT ON THE SEABED TOGETHER WITH A WINCH & PLATES. LARGE MOUND OF TILES PRESENT. FURTHER AFT IS A SMALL BOILER. REMAINS OF ENGINE ROOM & BRIDGE LIE AFT OF THIS. SHIP'S SIDE IS ABOUT 1MTR HIGH IN THIS VICINITY. AFT OF THE BRIDGE THERE IS A MAST WHICH IS ABOUT 4MTRS HIGH, DRAPED IN FISHING NETS. STERN IS BROKEN OFF & INTACT. LIES ON ITS STBD SIDE & POINTING SLIGHTLY UPWARDS. THERE IS A SINGLE IRON PROP IN PLACE. LIES E/W. STANDS 4MTRS HIGH BY DIVE COMPUTER. LENGTH APPROX 80FT, BEAM APPROX 25FT. (P F BALL, 23.2.98). NCA. SEP 2021/000052671 7.10.20 EXAM�D 2020; IN 5016.942N, 0415.513W [WGD]. LEAST M/B DEPTH 45.56MTRS IN GEN DEPTH 48MTRS. LENGTH 26.7MTRS, WIDTH 9.4MTRS, HT 2.7MTRS. ORIENTATION 290/110 DEGS. LIES ON STARBOARD SIDE, STERN BROKEN OFF. (CLINTON MARINE SURVEY AB, HI 1679 - H525-17636). RETAIN NDW 45MTRS IN REVISED POSN.
Last Amended Date Oct 27, 2022

General Comments

LIES ON STARBOARD SIDE, STERN BROKEN AWAY.

WRECK MAP LOADING ... 50 16.942 N,4 15.513 W
Unicorn on Wreck Map Unicorn Wreck on Google Map

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FAQ

Where is the UNICORN wreck located?

The UNICORN wreck is located at coordinates 50 16.942 N,4 15.513 W.

How deep is the UNICORN and where exactly is it located?

The UNICORN lies at a depth of about 45.56 meters and is located at coordinates 50 16.942 N,4 15.513 W.

How deep is the seabed around the UNICORN?

The seabed around the UNICORN lies at approximately 48 meters deep.

When did the UNICORN sink?

The UNICORN sank on Apr 8, 1923.

When was the wreck of the UNICORN discovered?

The wreck of the UNICORN was discovered in 1971.

What country did the UNICORN belong to?

The UNICORN belonged to GB.

What cargo was the UNICORN carrying?

The UNICORN was carrying construction materials.

What was the tonnage of the UNICORN?

The UNICORN had a tonnage of 134 tons.

What type of wreck is the UNICORN?

The UNICORN is classified as a steam ship.

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