Wreck: Unicorn (Steam ship)

This is the information page about the shipwreck Unicorn, the water chart below shows the wreck in its immediate vicinity. The position of this wreck is 50 16.942 N,4 15.513 W (50.1442, -4.17415)


 

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The texts accompanying this shipwreck are in English 🇬🇧, as they are prepared by the UK Hydrographic Office (UKHO) based on data from UKHO and the hydrographic services of the Netherlands, Belgium and Germany, among others. They include the known details of the wreck and the comments of the cartographers who have checked the position and condition of the wreck over time.

 

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Shipwreck details

Name: UNICORN

Length 27.7 meter, width: 6.1 meter, draught: 3.4, tonnage 134 ton
Load: construction materials

Cause:

Year of registration: 1971

Water depth above wreck: 48 meter, Height above seabed: 290 cm

Known since: 1971, last detected: 2020

Details measurements/cartography: 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.
Comment researcher: UK Hydrographic Office

Commentaar onderzoeker: LIES ON STARBOARD SIDE, STERN BROKEN AWAY.

Position: 50 16.942 N,4 15.513 W

 

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