Surveys
Survey operations in progress until 28 nov by M/V subsea viking in area bound by 24-31S 042-46W, 24-22S…
Western South Atlantic · Brazil-south Coast · HYDROLANT 3630/18
- issued
- 2018-11-22 10:28Z
- status
- cancelled 2018-11-29 00:01Z (archive)
- authority
- NAVAREA V COASTAL S 863/18 220250Z NOV 18.
- sea
- South Atlantic Ocean
- position
- -24.500, -42.575
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN SOUTH ATLANTIC. BRAZIL-SOUTH COAST. DNC 01. 1. SURVEY OPERATIONS IN PROGRESS UNTIL 28 NOV BY M/V SUBSEA VIKING IN AREA BOUND BY 24-31S 042-46W, 24-22S 042-26W, 24-29S 042-23W, 24-38S 042-43W. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 29 NOV 18.
This area · survey operations
593 within 180 nm since 2000 · 5 in the last 12 months · 3 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
- 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
Season · when survey operations happen here
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month of issue, all years in the archive
Timeline
- Cancel HYDROLANT 3630/18 and this msgcancelled by · 2018-11-28
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.