Surveys
Underwater operations in progress until 220300Z may in 25-40.27S 043-12.43W
Western South Atlantic · HYDROLANT 1323/21
- issued
- 2021-05-16 02:40Z
- status
- cancelled 2021-05-22 04:00Z (archive)
- self-cancels
- 2021-05-22 04:00Z
- authority
- NAVAREA V COASTAL S 369/21 160211Z MAY 21.
- sea
- South Atlantic Ocean
- position
- -25.671, -43.207
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN SOUTH ATLANTIC. DNC 01. 1. UNDERWATER OPERATIONS IN PROGRESS UNTIL 220300Z MAY IN 25-40.27S 043-12.43W. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 220400Z MAY 21.
This area · survey operations
497 within 180 nm since 2000 · 2 in the last 12 months · 0 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
- 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
- Survey operations in progress until 30 apr by M/V ramform victory towing ten 8800 meter long cables in area…2024-04-03
Season · when survey operations happen here
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month of issue, all years in the archive
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.