Ona Delta Wreck

Field Value
Wreck Category dangerous wreck
Ona delta Wreck Location
Marine Coordinates (DMM) 		34 38.931 S,58 16.807 W
Latitude, Longitude
Decimal Degrees
  • Latitude: -34.648850
  • Longitude: -58.280117
Water Depth 4 m
Water Level Effect always under water/submerged
Vertical Datum Lowest Astronomical Tide
Name ONA DELTA
Conspic Visual not visually conspicuous
Conspic Radar not radar conspicuous
Original Detection Year 1970
Last Detection Year 2019
Original Source national HO/authority notice to mariners
Last Amended Date Mar 29, 2019

Simplified Wreck Survey

The underwater wreck known as ONA DELTA is located off the coast of Argentina in the Rio de la Plata estuary. The official geographical coordinates for this underwater obstruction are 34 38.931 S, 58 16.807 W. Historically surveyed and documented by the UK Hydrographic Office, this wreck site has been subject to various positional updates and classification changes since its initial report in 1970. Originally marked as a dangerous navigational hazard with a green flashing buoy, the site is now categorized as a dangerous wreck for marine traffic. Survey data confirms the wreckage rests within the busy maritime approaches of the Buenos Aires region. Mariners are advised that while the marker buoy was withdrawn in 1989, the underwater obstruction remains a permanent fixture at these specific coordinates.

Surveying Details

H2761/69 19.3.70 WK, DANGEROUS TO NAVIGATION, IN 343906S, 581636W. MARKED BY G CAN BUOY, FL G 5S, CLOSE NE. (BUENOS AIRES NM 6/70). BR STD. H2761/69 3.5.71 SHOWN AS DW MARKED BY G CON BUOY, FL G, CLOSE N ON ARG 118. 21.3.78 SHOWN AS ST IN 343857S, 581645W, MARKED BY G CON, FL G 5S, CLOSE NE ON ARG 118. BR STD. H-118 9.8.84 AMEND POSN TO 343857S, 581651W ON NE 1751 [DATUM SHIFT]. (ARG H-118 [4TH EDN-1980]). HH650/350/01 19.3.90 BUOY WITHDRAWN. (ARG NM 179/89). BR STD. HH651/430/02 13.2.91 NOW SHOWN AS DW. (ARG NM 177/90, BLOCK COR'N). BR STD. 14.5.11 SHOWN IN 3438.950S, 5816.793W [UND] ON BA 1751 [NE 19.5.11]. [WGD] POSN: 3438.900S, 5816.773W. 6.11.13 [WGD] POSN: 3438.931S, 5816.807W. (RT). NC 1751.

WRECK MAP LOADING ... 34 38.931 S,58 16.807 W
Ona Delta on Wreck Map Ona Delta Wreck on Google Map

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FAQ

Where is the ONA DELTA wreck located?

The ONA DELTA wreck is located at coordinates 34 38.931 S,58 16.807 W.

How deep is the seabed around the ONA DELTA?

The seabed around the ONA DELTA lies at approximately 4 meters deep.

When was the wreck of the ONA DELTA discovered?

The wreck of the ONA DELTA was discovered in 1970.

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