Surveys
Underwater operations 1000Z to 2000Z 01 thru 11 jul by M/V oceanicasub V in: a. 02-57.42S 038-58.33W
Western South Atlantic · Brazil-north Coast · HYDROLANT 2026/17
- issued
- 2017-07-01 03:38Z
- status
- cancelled 2017-07-11 21:00Z (archive)
- self-cancels
- 2017-07-11 21:00Z
- authority
- NAVAREA V COASTAL N 512/17 010040Z JUL 17.
- sea
- South Atlantic Ocean
- position
- -3.000, -38.946
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN SOUTH ATLANTIC. BRAZIL-NORTH COAST. DNC 01. 1. UNDERWATER OPERATIONS 1000Z TO 2000Z 01 THRU 11 JUL BY M/V OCEANICASUB V IN: A. 02-57.42S 038-58.33W. B. 02-57.48S 038-58.55W. C. 02-58.41S 038-57.31W. D. 03-01.52S 039-02.29W. E. 03-05.24S 038-47.34W. 2. CANCEL THIS MSG 112100Z JUL 17.
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.