M Wreck

Field Value
Wreck Category wreck showing mast/masts
M Wreck Location
Marine Coordinates (DMM) 		34 50.797 S,57 29.201 W
Latitude, Longitude
Decimal Degrees
  • Latitude: -34.846617
  • Longitude: -57.486683
Water Depth 5 m
Water Level Effect always under water/submerged
Vertical Datum Lowest Astronomical Tide
Name M
Conspic Visual not visually conspicuous
Conspic Radar not radar conspicuous
Original Detection Year 1922
Last Detection Year 2019
Original Source national HO/authority charts
Markers ISO DANGER LT BUOY, FL(2) 8 SEC, CLOSE E
Last Amended Date Mar 28, 2019

Simplified Wreck Survey

UK Hydrographic Office survey records for underwater wreck M located near the Rio de la Plata estuary and Atlantic coast. Official wreck coordinates are 34 50.797 S, 57 29.201 W. Historical hydrographic survey data dating from 1903 to 2013 documents this dangerous wreck, historically appearing as a mast projecting above the water, marked over the decades by various navigational aids including green light buoys, flashing green beacons, and isolated danger buoys flashing every 8 seconds. The site has been monitored through multiple Argentine and international nautical notices.

Surveying Details

B9098/03 3 WKS IN 345000S, 572930W; 345035S, 572910W; 345140S, 572730W SHOWN ON ARGENTINE 5 [1922 EDN]. BR STD. H8189/23 23.5.25 SHOWN AS DW (1904) ON ARGENTINE 5. AMEND EACH SYMBOL TO DW (1904). NE 1749. 1927 SEPARATE CARDS FOR EACH WK. H6092/31 14.9.31 DW, MARKED BY BN 'M'. (BUENOS AIRES NM 99/31). AMEND TO DW IN 345035S, 572910W, MARKED BY BN. - NM 1717/31. H2212/66 15.1.69 FL G LT ESTABLISHED ON BN IN 345054S, 572910W. (ARGENTINE NM 187/68). AMEND TO DW (MAST) WITH BEACON CLOSE S. BR STD. H2212/66 8.6.70 WK NOW MARKED BY G CAN LT BUOY, OC G IN LIEU OF BN. (ARGENTINE NM 80/70). - NM 1040/70. H5702/59 14.1.72 DW (MAST) SHOWN IN 345042S, 572854W, MARKED BY G CONL BUOY, OC G CLOSE S ON ARGENTINE H-116. LC 1749. H3636/74 8.5.75 AMEND WK BUOY TO G CONL ON 1749. - NM 1019/75. H3636/74 20.1.76 AMEND WK BUOY TO G CONL FL G 5S. (ARGENTINE NM 138/75). BR STD. H4308/71 3.4.78 SHOWN MARKED BY FL.G 5S LT ON A G IRON STRUCTURE IN 345100S, 572905W ON ARGENTINE H-117. INS BEACON IN LIEU OF BUOYS. NE 1749. H117 8.7.81 DW (MAST) SHOWN IN 345050S, 572857W ON ARGENTINE H117. NE 1749. H4308/71 11.11.83 LT REMOVED FROM G STRUCTURE, WHICH REMAINS AS A BN. (URUGUAY NM 34/83 & ARGENTINE NM 96/83). - NM 3213/83. H-116 10.8.87 DW (MAST) SHOWN IN 345048S, 572930W, MARKED BY BN IN 345048S, 572830W ON ARGENTINE H-116. NE 1749. 15.2.02 SHOWN IN 3450.767S, 5729.567W [WGD] WITH ISO DANGER BUOY, FL(2) 8 SEC, CLOSE E ON BA 1749 [EDN 2 DTD 14.2.02]. H117 6.11.13 SHOWN IN 3450.767S, 5729.162W [WGD] WITH ISO DANGER BUOY, FL(2) 8 SEC, CLOSE E ON ARGENTINIAN H117 [EDN 4 DTD 2007] & ON AR420050 [EDN 4.4].

WRECK MAP LOADING ... 34 50.797 S,57 29.201 W
M on Wreck Map M Wreck on Google Map

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FAQ

Where is the M wreck located?

The M wreck is located at coordinates 34 50.797 S,57 29.201 W.

How deep is the seabed around the M?

The seabed around the M lies at approximately 5 meters deep.

When was the wreck of the M discovered?

The wreck of the M was discovered in 1922.

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