Surveys
Survey operations 25 and 26 jan by M/V ramform titan towing 14 10000 meter cables in area bound by 23-47.7S…
Western South Atlantic · HYDROLANT 230/21
- issued
- 2021-01-26 01:38Z
- status
- cancelled 2021-01-27 00:01Z (archive)
- cancels
- HYDROLANT 181/21
- authority
- NAVAREA V 46/21 260038Z JAN 21.
- sea
- South Atlantic Ocean
- position
- -23.645, -39.143
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN SOUTH ATLANTIC. DNC 01. 1. SURVEY OPERATIONS 25 AND 26 JAN BY M/V RAMFORM TITAN TOWING 14 10000 METER CABLES IN AREA BOUND BY 23-47.7S 039-11.8W, 23-29.7S 039-11.8W, 23-29.7S 039-05.4W, 23-47.7S 039-05.4W. WIDE BERTH REQUESTED. 2. CANCEL HYDROLANT 181/21. 3. CANCEL THIS MSG 27 JAN 21.
This area · survey operations
493 within 180 nm since 2000 · 9 in the last 12 months · 8 in force now
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26
- Underwater operations in progress until 280259Z aug by M/V siem pilot in 24-35.02S 042-15.37W2026-08-19
- Survey operations 10 aug 26 thru 08 mar 27 by tug mce navegacao I in area bound by 22-48.38S 041-08.21W,…2026-08-09
- Survey operations in progress until 09 jul 27 by M/V bgp dragon towing 250 meter long cable in area bound by…2026-08-08
- Underwater operations in progress until 170259Z aug in 22-22.48S 040-25.05W2026-08-06
- Underwater operations 281000Z jul to 192100Z aug by M/V umi polaris in area bound by 21-53.65S 040-49.70W,…2026-07-27
- Underwater operations in progress until 140001Z nov by M/V fugro vaquita in area bound by 22-03.00S…2026-06-17
Season · when survey operations happen here
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month of issue, all years in the archive
Timeline
Nearby now · within 120 nm
- Underwater operations in progress until 140001Z nov by M/V fugro vaquita in area bound by 22-03.00S…Surveys · 56.4 nm
- Survey operations in progress until 09 jul 27 by M/V bgp dragon towing 250 meter long cable in area bound by…Surveys · 95.7 nm
- Underwater operations 1000Z to 2000Z daily until 02 nov 26 by M/V fugro vaquita in: a. 22-26.32S 040-25.47WSurveys · 100.8 nm
- Underwater operations in progress until 170259Z aug in 22-22.48S 040-25.05WSurveys · 103.8 nm
- Survey operations 10 aug 26 thru 08 mar 27 by tug mce navegacao I in area bound by 22-48.38S 041-08.21W,…Surveys · 117.6 nm
Worldwide now
84 survey operations in force · see all
Surveys
Hydrographic and scientific survey vessels, often towing long arrays. All current survey operations →
Not for navigation. This is a re-rendering of an official navigational warning for awareness; mariners must use official NAVAREA broadcasts and their national MSI service.