Surveys

Survey operations in progress until 192000Z mar by M/V geo resolution in areas bound by: a. 22-09.44S…

Western South Atlantic · Brazil · HYDROLANT 387/24

issued: 2024-02-24 08:16Z
status: cancelled 2024-03-19 21:00Z (archive)
self-cancels: 2024-03-19 21:00Z
authority: NAVAREA V COASTAL 103/24 240557Z FEB 24.
sea: South Atlantic Ocean
position: -22.019, -40.012
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN SOUTH ATLANTIC.
BRAZIL.
DNC 01.
1. SURVEY OPERATIONS IN PROGRESS UNTIL 192000Z MAR
   BY M/V GEO RESOLUTION IN AREAS BOUND BY:
   A. 22-09.44S 041-07.91W, 22-14.75S 041-03.61W,
      22-20.52S 040-58.94W, 22-31.69S 040-49.87W.
   B. 22-31.69S 040-49.87W, 22-33.69S 040-45.09W,
      22-41.28S 040-27.57W, 22-38.94S 040-31.05W.
   C. 22-38.51S 040-08.93W, 22-41.28S 040-27.57W,
      22-43.39S 040-14.81W, 22-41.49S 040-10.10W.
   D. 22-32.06S 040-10.58W, 22-33.07S 040-15.60W,
      22-38.51S 040-08.93W, 22-42.44S 040-06.77W,
      22-37.46S 039-59.37W.
   E. 22-25.58S 039-58.63W, 22-18.87S 039-57.62W,
      22-32.06S 040-10.58W, 22-30.72S 040-06.80W.
   F. 21-57.56S 039-40.26W, 21-58.18S 039-49.51W,
      21-46.34S 039-50.36W, 22-10.28S 040-07.28W,
      22-18.87S 039-57.62W.
   G. 21-12.91S 039-59.82W, 21-12.25S 040-05.44W,
      21-11.36S 040-08.12W, 21-46.34S 039-50.36W.
   H. 21-09.70S 040-09.79W, 21-09.60S 040-12.01W,
      21-11.36S 040-08.12W.
   I. 21-04.33S 040-23.58W, 21-06.54S 040-22.24W,
      21-09.61S 040-19.67W, 21-09.60S 040-12.01W.
   J. 20-50.31S 040-31.32W, 20-49.73S 040-31.91W,
      20-49.03S 040-33.16W, 21-04.33S 040-23.58W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 192100Z MAR 24.

This area · survey operations

711 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

Timeline

Survey operations in progress until 232000Z apr by M/V geo resolution in area bound by 22-48.20S 041-12.80W,…cancelled by · 2024-03-19

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 · 15.3 nm
Underwater operations in progress until 170259Z aug in 22-22.48S 040-25.05WSurveys · 31.1 nm
Underwater operations 1000Z to 2000Z daily until 02 nov 26 by M/V fugro vaquita in: a. 22-26.32S 040-25.47WSurveys · 34.1 nm
Underwater operations 281000Z jul to 192100Z aug by M/V umi polaris in area bound by 21-53.65S 040-49.70W,…Surveys · 42.1 nm
Underwater operations in progress until 312300Z aug by M/V fugro vaquita in area bound by 21-35.43S…Surveys · 44.9 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 · 46 nm
Odas buoy temporarily established until 13 apr 27 in 21-34.20S 040-43.62WNav aids · 48.1 nm
Underwater operations in progress until 140001Z nov by M/V fugro vaquita in area bound by 22-03.00S…Surveys · 55.4 nm
RACON at cabo sao tome light 22-02.52S 041-03.17W off air until 28 sepNav aids · 58 nm
Barra de itabapoana light 21-18.80S 040-57.90W unlit until 08 sep 26Nav aids · 68 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 · 76.9 nm
Underwater operations 1100Z to 2100Z daily 13 thru 22 aug by M/V comando b and M/V am kirti in 20-23.90S…Surveys · 97.7 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.