Surveys
Survey operations in progress until 16 jan by M/V ramform tethys towing 12 6000 meter long cables in area…
Western South Atlantic · Brazil · HYDROLANT 101/23
- issued
- 2023-01-12 10:28Z
- status
- cancelled 2023-01-17 00:01Z (archive)
- self-cancels
- 2023-01-17 00:01Z
- authority
- NAVAREA V 18/23 120931Z JAN 23.
- sea
- South Atlantic Ocean
- position
- -23.918, -39.693
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN SOUTH ATLANTIC. BRAZIL. DNC 01. 1. SURVEY OPERATIONS IN PROGRESS UNTIL 16 JAN BY M/V RAMFORM TETHYS TOWING 12 6000 METER LONG CABLES IN AREA BOUND BY 22-14.07S 039-52.21W, 22-14.07S 039-31.98W, 23-24.66S 039-31.98W, 23-24.66S 039-52.21W, 23-02.00S 039-32.00W, 24-45.00S 038-48.00W, 24-45.00S 040-34.00W, 23-02.00S 039-52.00W. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 170001Z JAN 23.
This area · survey operations
625 within 180 nm since 2000 · 8 in the last 12 months · 8 in force now
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26
- 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
- Survey operations in progress until 312200Z aug in area bound by 21-36.17S 041-00.00W, 21-36.05S 040-37.59W,…2026-05-27
Season · when survey operations happen here
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month of issue, all years in the archive
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 · 60.2 nm
- Underwater operations 1000Z to 2000Z daily until 02 nov 26 by M/V fugro vaquita in: a. 22-26.32S 040-25.47WSurveys · 97.1 nm
- Survey operations in progress until 09 jul 27 by M/V bgp dragon towing 250 meter long cable in area bound by…Surveys · 100.4 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 · 100.6 nm
- Underwater operations in progress until 170259Z aug in 22-22.48S 040-25.05WSurveys · 101 nm
- Hazardous operations 0800Z to 2100Z daily 18 thru 20 aug in area within ten miles of 25-06.00S 041-13.00WExercises · 109.4 nm
Worldwide now
86 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.