Surveys
Survey operations in progress until 20 mar by M/V ramform titan towing 14 10000 meter cables in area bound…
Western South Atlantic · Brazil-southeast Coast · HYDROLANT 753/21
- issued
- 2021-03-16 22:15Z
- status
- cancelled 2021-03-20 04:27Z (archive)
- cancels
- HYDROLANT 524/21HYDROLANT 696/21
- authority
- NAVAREA V 122/21 162133Z MAR 21.
- position
- -22.659, -39.152
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN SOUTH ATLANTIC. BRAZIL-SOUTHEAST COAST. DNC 01. 1. SURVEY OPERATIONS IN PROGRESS UNTIL 20 MAR BY M/V RAMFORM TITAN TOWING 14 10000 METER CABLES IN AREA BOUND BY 21-45.50S 039-41.27W, 21-45.55S 038-37.17W, 22-12.53S 038-37.10W, 22-12.53S 038-22.85W, 23-29.23S 038-22.92W, 23-29.10S 039-53.28W, 22-01.23S 039-52.72W. WIDE BERTH REQUESTED. 2. CANCEL HYDROLANT 524/21, 696/21. 3. CANCEL THIS MSG 21 MAR 21.
This area · survey operations
701 within 180 nm since 2000 · 15 in the last 12 months · 15 in force now
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- Underwater operations 1100Z to 2100Z daily 15 thru 29 aug by M/V comando b and M/V rosco banyan in 20-23.37S…2026-08-14
- Underwater operations 1100Z to 2100Z daily 12 thru 21 aug by M/V comando b and M/V faneromeni in 20-23.67S…2026-08-13
- Underwater operations 1100Z to 2100Z daily 13 thru 22 aug by M/V comando b and M/V am kirti in 20-23.90S…2026-08-13
- Underwater operations in progress until 27 aug by M/V navios felix and M/V comando b in 20-22.12S 040-08.38W2026-08-13
- Underwater operations 0800Z to 1800Z daily 11 thru 25 aug by M/V comando b and M/V faneromeni in 20-23.00S…2026-08-10
- 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
Season · when survey operations happen here
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month of issue, all years in the archive
Timeline
- Survey operations in progress until 03 mar by M/V ramform titan towing 14 10000 meter cables in area bound…cancels · 2021-02-24
- Survey operations in progress until 17 mar by M/V ramform titan towing 14 10000 meter cables in area bound…cancels · 2021-03-11
- Survey operations in progress until 03 mar by M/V ramform titan towing 14 10000 meter cables in area bound…replaced · 2021-02-24
- Survey operations in progress until 17 mar by M/V ramform titan towing 14 10000 meter cables in area bound…replaced · 2021-03-11
- Survey operations in progress until 23 mar by M/V ramform titan towing 14 10000 meter cables in area bound…cancelled by · 2021-03-20
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 · 38.7 nm
- Survey operations in progress until 09 jul 27 by M/V bgp dragon towing 250 meter long cable in area bound by…Surveys · 53.7 nm
- Underwater operations 1000Z to 2000Z daily until 02 nov 26 by M/V fugro vaquita in: a. 22-26.32S 040-25.47WSurveys · 71.4 nm
- Underwater operations in progress until 170259Z aug in 22-22.48S 040-25.05WSurveys · 72.2 nm
- Underwater operations 281000Z jul to 192100Z aug by M/V umi polaris in area bound by 21-53.65S 040-49.70W,…Surveys · 99.9 nm
- Underwater operations in progress until 312300Z aug by M/V fugro vaquita in area bound by 21-35.43S…Surveys · 101.5 nm
- Survey operations in progress until 312200Z aug in area bound by 21-36.17S 041-00.00W, 21-36.05S 040-37.59W,…Surveys · 104.7 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 · 107.4 nm
- Odas buoy temporarily established until 13 apr 27 in 21-34.20S 040-43.62WNav aids · 109.3 nm
- RACON at cabo sao tome light 22-02.52S 041-03.17W off air until 28 sepNav aids · 111.8 nm
Worldwide now
75 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.