Surveys
Survey operations in progress until 12 nov by M/V oceanic sirius towing 12 11112 meter long cables in area…
Western South Atlantic · Brazil-southeast Coast · HYDROLANT 2744/21
- issued
- 2021-11-06 02:15Z
- status
- cancelled 2021-11-12 04:05Z (archive)
- cancels
- HYDROLANT 2661/21
- authority
- NAVAREA V 512/21 060144Z NOV 21.
- sea
- South Atlantic Ocean
- position
- -24.911, -39.858
- 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 12 NOV BY M/V OCEANIC SIRIUS TOWING 12 11112 METER LONG CABLES IN AREA BOUND BY 23-31.55S 040-58.48W, 22-44.48S 039-55.05W, 22-29.78S 037-34.05W, 26-36.98S 037-28.17W, 26-50.10S 042-42.83W, 24-20.05S 042-40.10W, 24-20.47S 041-39.17W, 23-52.13S 041-38.77W. WIDE BERTH REQUESTED. 2. CANCEL HYDROLANT 2661/21. 3. CANCEL THIS MSG 13 NOV 21.
This area · survey operations
620 within 180 nm since 2000 · 7 in the last 12 months · 5 in force now
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- Survey operations in progress until 24 aug by M/V sea 1 dorado in area bound by 24-53.20S 042-47.12W,…2026-08-19
- 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 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
- Survey operations in progress until 05 nov by M/V oceanic sirius towing 12 11112 meter long cables in area…cancels · 2021-10-29
- Survey operations in progress until 05 nov by M/V oceanic sirius towing 12 11112 meter long cables in area…replaced · 2021-10-29
- Survey operations in progress until 19 nov by M/V oceanic sirius towing 12 11112 meter long cables in area…cancelled by · 2021-11-12
Nearby now · within 120 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.