Surveys

Survey operations 20 thru 25 apr by M/V oceanic sirius towing 12 11112 meter cables in area bound by…

Western South Atlantic · Brazil-east Coast · HYDROLANT 1094/21

issued
2021-04-20 21:00Z
status
cancelled 2021-04-23 21:39Z (archive)
authority
NAVAREA V 174/21 202043Z APR 21.
position
-22.007, -36.722
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN SOUTH ATLANTIC.
BRAZIL-EAST COAST.
DNC 01.
1. SURVEY OPERATIONS 20 THRU 25 APR BY
   M/V OCEANIC SIRIUS TOWING 12 11112 METER
   CABLES IN AREA BOUND BY
   24-06.05S 040-01.32W, 21-36.20S 040-02.03W,
   19-45.23S 037-32.23W, 19-38.48S 033-53.58W,
   23-52.40S 033-44.53W, 24-06.65S 040-01.32W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 26 APR 21.

This area · survey operations

148 within 180 nm since 2000 · 1 in the last 12 months · 1 in force now

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05
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15
20
25
26

Season · when survey operations happen here

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month of issue, all years in the archive

Timeline

Nearby now · within 120 nm

Nothing else in force within 120 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.