Surveys
Underwater operations 0800Z to 2000Z daily until 15 may by M/V oceanicasub II, M/V asteomar V and M/V mar…
Brazil-north Coast · HYDROLANT 541/12
- issued
- 2012-03-09 01:29Z
- status
- cancelled 2012-05-15 21:00Z (archive)
- self-cancels
- 2012-05-15 21:00Z
- authority
- NAVAREA V N 307/12 082308Z MAR 12.
- sea
- South Atlantic Ocean
- position
- -2.999, -38.999
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
BRAZIL-NORTH COAST. 1. UNDERWATER OPERATIONS 0800Z TO 2000Z DAILY UNTIL 15 MAY BY M/V OCEANICASUB II, M/V ASTEOMAR V AND M/V MAR AZUL IN: A. 03-02.13S 039-01.37W. B. 02-57.73S 038-58.57W. 2. CANCEL THIS MSG 152100Z MAY.
This area · survey operations
60 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
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- Survey operations in progress until 182300Z may in areas bound by: a. 02-56.00S 038-00.20W, 02-56.00S…2023-05-18
- Survey operations in progress 0800Z to 1700Z daily until 23 jul by M/V raisa II in area bound by 03-43.71S…2020-07-17
- Underwater operations 0800Z to 2300Z daily 01 thru 15 jul by M/V sentosa, barge smitbarge 1 and M/V corenav…2019-06-30
- Underwater operations 0800Z to 2300Z daily 03 thru 20 jun by tug sentosa, barge smitbarge 1 and M/V corenav…2019-06-02
- Underwater operations 0800Z to 2300Z daily 19 apr thru 03 jun by M/V sentosa and barge smitbarge 1 in…2019-04-19
- Survey operations in progress until 20 mar by M/V raisa II in area bound by 03-30.92S 038-11.75W, 03-38.21S…2019-02-26
Season · when survey operations happen here
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month of issue, all years in the archive
Nearby now · within 120 nm
Nothing else in force 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.