Surveys
Underwater operations in progress until 10 mar by vessel oceanica II and vessel asso ventisette within 0.5…
Brazil-north Coast · HYDROLANT 207/15
- issued
- 2015-01-25 01:15Z
- status
- cancelled 2015-02-04 00:40Z (archive)
- authority
- NAVAREA V N 77/15 250026Z JAN 15.
- sea
- South Atlantic Ocean
- position
- -3.668, -38.461 · r 0.5 nm
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
BRAZIL-NORTH COAST. DNC 01. 1. UNDERWATER OPERATIONS IN PROGRESS UNTIL 10 MAR BY VESSEL OCEANICA II AND VESSEL ASSO VENTISETTE WITHIN 0.5 MILE OF 03-40.11S 038-27.68W. 2. CANCEL THIS MSG 11 MAR 15.
This area · survey operations
78 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
- Underwater operations 0800Z to 2100Z daily 05 sep thru 05 mar 23 by M/V paracuru in 04-52.42S 036-22.45W2022-09-05
- 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 0900Z to 2100Z daily 15 aug thru 15 dec by M/V asso trentuno, M/V surffer 1871, M/V…2019-08-14
- Underwater operations 0900Z to 2100Z daily 02 aug thru 15 dec by M/V surffer 1871, M/V surffer 1930 and M/V…2019-08-01
- Underwater operations 0800Z to 2300Z daily 01 thru 15 jul by M/V sentosa, barge smitbarge 1 and M/V corenav…2019-06-30
Season · when survey operations happen here
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month of issue, all years in the archive
Timeline
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.