Surveys
Underwater operations 1100Z to 2300Z daily 03 sep thru 01 apr 16 by M/V ankh and M/V oceanica sub II in area…
Brazil-northeast Coast · HYDROLANT 2177/15
- issued
- 2015-09-03 04:36Z
- status
- cancelled 2016-04-02 00:01Z (archive)
- self-cancels
- 2016-04-02 00:01Z
- authority
- NAVAREA V N 799/15 030038Z SEP 15.
- sea
- South Atlantic Ocean
- position
- -4.817, -36.518
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
BRAZIL-NORTHEAST COAST. DNC 01. 1. UNDERWATER OPERATIONS 1100Z TO 2300Z DAILY 03 SEP THRU 01 APR 16 BY M/V ANKH AND M/V OCEANICA SUB II IN AREA BOUND BY 04-41.66S 036-43.57W, 04-41.68S 036-43.68W, 04-41.85S 036-45.51W, 04-41.83S 036-45.64W, 04-45.15S 036-44.57W, 04-45.16S 036-44.55W, 04-54.31S 036-25.26W, 04-54.34S 036-25.19W, 04-55.41S 036-22.32W, 04-55.39S 036-22.02W, 04-56.09S 036-21.18W, 04-56.08S 036-21.20W, 04-55.13S 036-19.75W, 04-53.11S 036-15.93W, 04-53.10S 036-15.93W, 04-52.79S 036-16.61W. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 020001Z APR 16.
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
- Odas buoy bravo rn-l temporarily established until 20 oct in 04-53.00S 035-46.01WNav aids · 45.1 nm
- Odas buoy established in 05-09.46S 035-09.81WNav aids · 83.6 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.