Surveys
Underwater operations in progress until 07 nov by M/V subsea viking in area bound by 24-36.43S 042-43.75W,…
Western South Atlantic · Brazil-south Coast · HYDROLANT 3404/18
- issued
- 2018-11-01 15:47Z
- status
- cancelled 2018-11-08 00:01Z (archive)
- cancels
- HYDROLANT 3369/18
- authority
- NAVAREA V COASTAL S 806/18 011041Z NOV 18.
- position
- -24.491, -42.581
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN SOUTH ATLANTIC. BRAZIL-SOUTH COAST. DNC 01. 1. UNDERWATER OPERATIONS IN PROGRESS UNTIL 07 NOV BY M/V SUBSEA VIKING IN AREA BOUND BY 24-36.43S 042-43.75W, 24-31.25S 042-46.22W, 24-22.53S 042-26.13W, 24-27.42S 042-23.30W. WIDE BERTH REQUESTED. 2. CANCEL HYDROLANT 3369/18. 3. CANCEL THIS MSG 08 NOV 18.
This area · survey operations
592 within 180 nm since 2000 · 3 in the last 12 months · 3 in force now
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- 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
- Underwater operations in progress until 170259Z aug in 22-22.48S 040-25.05W2026-08-06
- Underwater operations 1000Z to 2000Z daily until 02 nov 26 by M/V fugro vaquita in: a. 22-26.32S 040-25.47W2025-11-28
- Underwater operations in progress until 19 may in 23-04.0S 043-02.5W2024-04-21
- Survey operations 17 apr thru 08 may by M/V artemis odyssey in area bound by 25-04.49S 042-10.72W, 25-05.99S…2024-04-17
- Underwater operations 0500Z to 2000Z daily 16 thru 25 apr by M/V double diamond and M/V novo estado in…2024-04-16
Season · when survey operations happen here
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month of issue, all years in the archive
Timeline
- Underwater operations in progress until 03 nov by M/V subsea viking in area bound by 24-19S 042-24W, 24-48S…cancels · 2018-10-29
- Two vessels attacked in 04-47S 010-07E at 291250Z octreplaced · 2018-10-29
- Underwater operations in progress until 03 nov by M/V subsea viking in area bound by 24-19S 042-24W, 24-48S…replaced · 2018-10-29
Nearby now · within 120 nm
Worldwide now
73 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.