Surveys

Survey operations in progress until 28 mar by M/V sirius in area bound by 30-31S 048-06W, 30-31S 048-41W,…

Brazil-south Coast · HYDROLANT 516/10

issued
2010-03-25 02:15Z
status
cancelled 2010-03-29 00:01Z (archive)
authority
NAVAREA V S 530/10 24 MAR 10.
sea
South Atlantic Ocean
position
-30.007, -48.126
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

BRAZIL-SOUTH COAST.
1. SURVEY OPERATIONS IN PROGRESS UNTIL 28 MAR
   BY M/V SIRIUS IN AREA BOUND BY
   30-31S 048-06W, 30-31S 048-41W,
   29-25S 048-06W, 29-25S 047-45W,
   30-00S 047-45W. WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 29 MAR.

This area · survey operations

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

00
05
10
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20
25
26

Season · when survey operations happen here

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A
M
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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.