Mousse-Bihan 4 Wreck

Field Value
Wreck Category dangerous wreck
Mousse-bihan 4 Wreck Location
Marine Coordinates (DMM) 		48 16.542 N,4 41.491 W
Latitude, Longitude
Decimal Degrees
  • Latitude: 48.275700
  • Longitude: -4.691517
Water Depth 5 m
Water Level Effect always under water/submerged
Vertical Datum Approximate Lowest Astronomical Tide
Name MOUSSE-BIHAN 4
Conspic Visual not visually conspicuous
Conspic Radar not radar conspicuous
Bottom Texture Rock
Original Detection Year 1919
Last Detection Year 2018
Original Source national HO/authority charts
Last Amended Date Feb 1, 2019

Simplified Wreck Survey

The underwater wreck Mousse-Bihan 4 is located at coordinates 48 16.542 N, 4 41.491 W. Historical hydrographic survey records from the UK Hydrographic Office and French charting authorities trace the documentation of this obstruction from 1919 through 2008. Initial charting placed the wreck in the general area with a depth of 5 meters before it was temporarily expunged from charts in 1928. Subsequent French chart editions relocated and updated the obstruction status to a dangerous wreck with a depth of 10 meters, noting a position accuracy of 1 meter based on records from non-navy sources. Modern hydrographic data officially established the current position of the Mousse-Bihan 4 wreck at 48 16.542 N, 4 41.491 W on international chart series.

Surveying Details

H2474/19 11.7.19 SHOWN AS WK IN 481630N, 044000W ON FRENCH WK CHART 10103. NE 2643. H1291/28 28.6.28 NO LONGER CHARTED. (HYDRO). - NM 1056/28. 1.7.77 WK IN 481630N, 044000W, GEN DEPTH 5MTRS, NOW DELETED. (FRENCH WK RECORDS, 18.10.76). 26.7.79 SHOWN AS DW PA IN 481633N, 044125W [EUR] ON FRENCH CHART. NE 2690. 5.10.83 SHOWN AS DW PA IN 481633N, 044125W [EUR] ON FRENCH 6593 [1983 EDN]. 15.10.84 NOT LISTED IN FRENCH WK RECORDS 1984. NCA. 6.11.92 SHOWN AS DW PD IN 481636N, 044124W [EUR] ON FRENCH 6678 [1992 EDN]. POSN ACCURACY 1M, LOCATED ONCE SINCE SINKING IN 481636N, 044124E [EUR]. GEN DEPTH 10MTRS. NON NAVY SOURCE. (FRENCH WK RECORDS 1992, NO.14584224). 19.9.96 SHOWN AS DW PD ON FRENCH 7401 [1995 EDN]. NC 3427. 26.11.08 SHOWN IN 4816.542N, 0441.491W [WGD] ON FRENCH 7401 [INT 1832] [2008 EDN, ADOPTION]. NE 3427.

WRECK MAP LOADING ... 48 16.542 N,4 41.491 W
Mousse-Bihan 4 on Wreck Map Mousse-Bihan 4 Wreck on Google Map

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FAQ

Where is the MOUSSE-BIHAN 4 wreck located?

The MOUSSE-BIHAN 4 wreck is located at coordinates 48 16.542 N,4 41.491 W.

How deep is the seabed around the MOUSSE-BIHAN 4?

The seabed around the MOUSSE-BIHAN 4 lies at approximately 5 meters deep.

When was the wreck of the MOUSSE-BIHAN 4 discovered?

The wreck of the MOUSSE-BIHAN 4 was discovered in 1919.

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