Surveys
Underwater operations in progress until 25 mar by M/V apocalipse h and M/V seamar III in 03-40.11S 038-27.68W
Brazil-southeast Coast · HYDROLANT 657/15
- issued
- 2015-03-18 01:37Z
- status
- cancelled 2015-03-19 01:12Z (archive)
- cancels
- HYDROLANT 644/15
- authority
- NAVAREA V E 250/15 180034Z MAR 15.
- sea
- South Atlantic Ocean
- position
- -3.668, -38.461
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
BRAZIL-SOUTHEAST COAST. DNC 01. 1. UNDERWATER OPERATIONS IN PROGRESS UNTIL 25 MAR BY M/V APOCALIPSE H AND M/V SEAMAR III IN 03-40.11S 038-27.68W. 2. CANCEL HYDROLANT 644/15. 3. CANCEL THIS MSG 26 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
- Underwater operations 17 thru 25 mar by vessel apocalipse h and seamar III in 20-25.13S 040-12.00Wcancels · 2015-03-17
- Underwater operations 17 thru 25 mar by vessel apocalipse h and seamar III in 20-25.13S 040-12.00Wreplaced · 2015-03-17
- Underwater operations in progress until 25 mar by M/V apocalipse h and M/V seamar III in 20-25.13S 040-12.00Wcancelled by · 2015-03-19
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.