Surveys
Underwater operations in progress until 18 jun by M/V ostreiro in 25-19.47S 040-41.33W
Western South Atlantic · HYDROLANT 1530/21
- issued
- 2021-06-07 23:33Z
- status
- cancelled 2021-06-09 09:43Z (archive)
- authority
- NAVAREA V 246/21 072104Z JUN 21.
- sea
- South Atlantic Ocean
- position
- -25.325, -40.689
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN SOUTH ATLANTIC. DNC 01. 1. UNDERWATER OPERATIONS IN PROGRESS UNTIL 18 JUN BY M/V OSTREIRO IN 25-19.47S 040-41.33W. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 19 JUN 21.
This area · survey operations
542 within 180 nm since 2000 · 6 in the last 12 months · 4 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 in progress until 140001Z nov by M/V fugro vaquita in area bound by 22-03.00S…2026-06-17
- 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
Season · when survey operations happen here
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month of issue, all years in the archive
Timeline
- Cancel HYDROLANT 1530/21 and this msgcancelled by · 2021-06-09
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.