Surveys

Underwater operations in progress until 06 aug by M/V toisa sentinel vicinity 19-33.17S 039-31.17W

Brazil-east Coast · HYDROLANT 1391/10

issued
2010-07-21 01:17Z
status
cancelled 2010-07-23 14:04Z (archive)
authority
NAVAREA V E 1062/10 210050Z JUL 10.
sea
South Atlantic Ocean
position
-19.553, -39.520
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

BRAZIL-EAST COAST.
1. UNDERWATER OPERATIONS IN PROGRESS UNTIL
   06 AUG BY M/V TOISA SENTINEL
   VICINITY 19-33.17S 039-31.17W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 07 AUG.

This area · survey operations

509 within 180 nm since 2000 · 21 in the last 12 months · 12 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

Timeline

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.