Surveys

Survey operations in progress until 12 jul 11 in: a. 23-36.25S 041-34.37W

Brazil-southeast Coast · HYDROLANT 2178/10

issued: 2010-11-17 05:20Z
status: cancelled 2010-12-31 09:34Z (archive)
authority: NAVAREA V S 1472/10 170013Z NOV 10.
position: -23.605, -41.573
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

BRAZIL-SOUTHEAST COAST.
1. SURVEY OPERATIONS IN PROGRESS UNTIL
   12 JUL 11 IN:
   A. 23-36.25S 041-34.37W.
   B. 23-36.32S 041-34.35W.
   ONE MILE BERTH REQUESTED.
2. CANCEL THIS MSG 13 JUL 11.

This area · survey operations

763 within 180 nm since 2000 · 8 in the last 12 months · 8 in force now

Season · when survey operations happen here

month of issue, all years in the archive

Timeline

HYDROLANT messages in force 310900Z dec 10cancelled by · 2010-12-31

Nearby now · within 120 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 · 53.7 nm
Hazardous operations in progress until 060400Z jun 27 in area bound by 24-39.87S 042-29.30W, 24-39.78S…Exercises · 80.9 nm
Hazardous operations 0800Z to 2100Z daily 18 thru 20 aug in area within ten miles of 25-06.00S 041-13.00WExercises · 91.9 nm
Underwater operations 1000Z to 2000Z daily until 02 nov 26 by M/V fugro vaquita in: a. 22-26.32S 040-25.47WSurveys · 94.4 nm
Underwater operations in progress until 170259Z aug in 22-22.48S 040-25.05WSurveys · 97.6 nm
RACON at cabo sao tome light 22-02.52S 041-03.17W off air until 28 sepNav aids · 98.1 nm
Underwater operations in progress until 140001Z nov by M/V fugro vaquita in area bound by 22-03.00S…Surveys · 106.5 nm
Underwater operations in progress until 312300Z aug by M/V fugro vaquita in area bound by 21-35.43S…Surveys · 107.2 nm
Underwater operations 281000Z jul to 192100Z aug by M/V umi polaris in area bound by 21-53.65S 040-49.70W,…Surveys · 111.2 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 · 114.1 nm
Survey operations in progress until 09 jul 27 by M/V bgp dragon towing 250 meter long cable in area bound by…Surveys · 117 nm

Worldwide now

73 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.