Surveys

Underwater operations in progress until 30 apr by M/V anita garibaldi, M/V bram titan and M/V normand…

Western South Atlantic · Brazil · HYDROLANT 339/23

issued: 2023-02-11 00:48Z
status: cancelled 2023-05-01 01:00Z (archive)
self-cancels: 2023-05-01 01:00Z
authority: NAVAREA V COASTAL 86/23 102015Z FEB 23.
sea: South Atlantic Ocean
position: -22.398, -40.109
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN SOUTH ATLANTIC.
BRAZIL.
DNC 01.
1. UNDERWATER OPERATIONS IN PROGRESS UNTIL 30 APR
   BY M/V ANITA GARIBALDI, M/V BRAM TITAN AND
   M/V NORMAND SAGARIS IN AREA BOUND BY
   22-24.69S 040-06.17W, 22-24.68S 040-06.14W,
   22-24.67S 040-06.10W, 22-24.65S 040-06.07W,
   22-24.63S 040-06.04W, 22-24.58S 040-05.94W,
   22-23.26S 040-05.87W, 22-23.24S 040-05.89W,
   22-23.21S 040-05.91W, 22-23.21S 040-05.95W,
   22-23.20S 040-05.97W, 22-23.18S 040-05.99W,
   22-23.06S 040-06.92W, 22-23.09S 040-06.96W,
   22-23.11S 040-06.99W, 22-23.15S 040-07.04W,
   22-23.17S 040-07.07W, 22-24.24S 040-07.37W,
   22-24.27S 040-07.35W, 22-24.29S 040-07.33W,
   22-24.32S 040-07.31W, 22-24.35S 040-07.30W.
2. CANCEL THIS MSG 010100Z MAY 23.

This area · survey operations

737 within 180 nm since 2000 · 15 in the last 12 months · 15 in force now

Season · when survey operations happen here

month of issue, all years in the archive

Nearby now · within 120 nm

Survey operations in progress until 09 jul 27 by M/V bgp dragon towing 250 meter long cable in area bound by…Surveys · 8.7 nm
Underwater operations in progress until 170259Z aug in 22-22.48S 040-25.05WSurveys · 17.2 nm
Underwater operations 1000Z to 2000Z daily until 02 nov 26 by M/V fugro vaquita in: a. 22-26.32S 040-25.47WSurveys · 17.4 nm
Underwater operations in progress until 140001Z nov by M/V fugro vaquita in area bound by 22-03.00S…Surveys · 35.9 nm
Underwater operations 281000Z jul to 192100Z aug by M/V umi polaris in area bound by 21-53.65S 040-49.70W,…Surveys · 46.5 nm
Underwater operations in progress until 312300Z aug by M/V fugro vaquita in area bound by 21-35.43S…Surveys · 47.2 nm
Survey operations in progress until 312200Z aug in area bound by 21-36.17S 041-00.00W, 21-36.05S 040-37.59W,…Surveys · 51.6 nm
RACON at cabo sao tome light 22-02.52S 041-03.17W off air until 28 sepNav aids · 56.6 nm
Survey operations 10 aug 26 thru 08 mar 27 by tug mce navegacao I in area bound by 22-48.38S 041-08.21W,…Surveys · 59.9 nm
Odas buoy temporarily established until 13 apr 27 in 21-34.20S 040-43.62WNav aids · 60.4 nm
Barra de itabapoana light 21-18.80S 040-57.90W unlit until 08 sep 26Nav aids · 80.7 nm

Worldwide now

86 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.