Surveys
Underwater operations 0800Z to 2000Z daily 17 jul thru 03 jan 13 by M/V slb harmonia, M/V confianca V, M/V…
Brazil-north Coast · HYDROLANT 1564/12
- issued
- 2012-07-14 00:41Z
- status
- cancelled 2013-01-03 21:00Z (archive)
- self-cancels
- 2013-01-03 21:00Z
- authority
- NAVAREA V N 916/12 140021Z JUL 12.
- sea
- South Atlantic Ocean
- position
- -4.837, -36.390
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
BRAZIL-NORTH COAST. 1. UNDERWATER OPERATIONS 0800Z TO 2000Z DAILY 17 JUL THRU 03 JAN 13 BY M/V SLB HARMONIA, M/V CONFIANCA V, M/V ARARA III, M/V MAR AZUL, M/V RIO DOCE, M/V ANKH, M/V ASTEOMAR III, M/V ASTEOMAR V AND M/V OCEANICASUB ALONG TRACKLINE JOINING 05-02.23S 036-24.15W, 04-59.02S 036-23.52W, 04-37.27S 036-23.58W, 04-57.20S 036-22.97W, 04-55.57S 036-22.52W, 04-55.57S 036-22.52W, 04-55.50S 036-22.50W, 04-55.47S 036-22.50W, 04-55.47S 036-22.50W, 05-02.17S 036-24.32W. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 032100Z JAN 13.
This area · survey operations
91 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
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- Survey operations in progress until 241000Z apr by M/V taurus in area bound by 06-56.53S 034-49.48W,…2024-03-16
- Survey operations in progress until 092100Z mar by M/V taurus in area bound by 06-50.45S 034-45.38W,…2024-03-05
- 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
- Underwater operations 1100Z to 1900Z daily 15 thru 22 jun by M/V texas and M/V seamaster I in 05-42.08S…2021-06-14
- Underwater operations 1100Z to 1900Z daily 01 thru 06 jun by M/V texas and M/V seamaster I in 05-42.08S…2021-05-31
Season · when survey operations happen here
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month of issue, all years in the archive
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.