Structure Wreck 16943

Field Value
Wreck Category dangerous wreck
Wreck Location
Marine Coordinates (DMM) 		46 31.54 N,2 10.88 W
Latitude, Longitude
Decimal Degrees
  • Latitude: 46.525667
  • Longitude: -2.181333
Wreck Depth 28 m
Water Depth 38 m
Water Level Effect always under water/submerged
Vertical Datum Approximate Lowest Astronomical Tide
Type Structure
Conspic Visual not visually conspicuous
Conspic Radar not radar conspicuous
Date Sunk Nov 7, 1975
Original Detection Year 1975
Last Detection Year 2018
Original Source national HO/authority notice to mariners
Last Amended Date May 2, 2018

Surveying Details

H2770/69 23.1.76 WK PA 2.7MTRS [1.5FMS] IN 463336N, 021033W. (FR NM 75 51 14). BR STD. H2770/69 30.1.76 AMEND TO WK 7.7MTRS [4.25FMS] IN 463148N, 021050W OR 156DEGS, 10.7M FROM CORBEAUX LT. (DIFRAP 76 04 07). - NM 251/76. H2770/69 16.3.76 AMEND TO WK 29.2MTRS [16FMS] IN 463136N, 021048W WITH G CON BUOY, QK.FL.G, CLOSE E. (FR NM 76 06 16). - NM 624/76. H3685/75 31.1.77 BUOY DELETED. (FR NM 77 02 43). - NM 376/77 [INCORRECT POSN STATED, CORRECTED BY NM 593/77]. 16.4.82 SHOWN AS WK 28MTRS [15FMS] ON FRENCH 6902 [1981 EDN]. R/P. 28.3.88 SHOWN AS WK 28MTRS IN 463136N, 021048W ON FRENCH 7069 [1986 EDN]. ALSO LISTED IN FRENCH WK RECORDS 1987, NO.14562059. NC 2663. 21.2.03 WK PA 28MTRS SHOWN IN 4631.540N, 0210.880W [WGD] ON FRENCH 7402 [2ND EDN 2002, LARGEST SCALE 1:50,800]. BR STD.

Circumstances of loss

10.11.75 SANK 10M S OF ILE D'YEU WHILST UNDER TOW FROM LA PALLICE TO ST NAZAIRE. OWNED AT THE TIME OF LOSS BY SOCIETE ARMOR, NANTES. PONTOON HAD A LIFTING CAPACITY OF 120 TONS. (LL 10.11.75).

WRECK MAP LOADING ... 46 31.54 N,2 10.88 W
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