Surveys

Survey operations in progress until 09 oct by M/V sanco sword e subsea viking in area bound by 25-43.24S…

Western South Atlantic · Brazil-south Coast · HYDROLANT 1511/21

issued
2021-06-06 10:15Z
status
cancelled 2021-10-10 00:01Z (archive)
authority
NAVAREA V 243/21 061009Z JUN 21.
sea
South Atlantic Ocean
position
-25.746, -43.163
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN SOUTH ATLANTIC.
BRAZIL-SOUTH COAST.
DNC 01.
1. SURVEY OPERATIONS IN PROGRESS UNTIL 09 OCT
   BY M/V SANCO SWORD E SUBSEA VIKING IN AREA
   BOUND BY
   25-43.24S 042-57.16W, 25-40.51S 042-55.37W,
   25-35.57S 042-55.29W, 25-28.50S 043-09.33W,
   25-33.15S 043-15.43W, 25-38.50S 043-18.49W,
   25-41.07S 043-19.24W, 25-42.08S 043-20.53W,
   25-44.12S 043-22.01W, 25-50.59S 043-23.32W,
   25-56.53S 043-21.48W, 26-00.07S 043-15.26W,
   26-00.25S 043-10.19W, 25-58.51S 043-06.31W,
   25-56.57S 043-04.56W, 25-53.59S 043-04.23W,
   25-51.52S 043-04.25W, 25-50.29S 043-00.50W,
   25-45.30S 042-57.37W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 10 OCT 21.

This area · survey operations

497 within 180 nm since 2000 · 2 in the last 12 months · 0 in force now

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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.