Surveys

Survey operations 02 thru 04 sep by M/V sw duchess in area bound by 24-49.11S 042-42.02W, 24-49.10S…

Western South Atlantic · HYDROLANT 1961/23

issued
2023-09-01 06:48Z
status
cancelled 2023-09-05 00:01Z (archive)
self-cancels
2023-09-05 00:01Z
authority
NAVAREA V 345/23 010313Z SEP 23.
sea
South Atlantic Ocean
position
-24.972, -42.591
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN SOUTH ATLANTIC.
DNC 01.
1. SURVEY OPERATIONS 02 THRU 04 SEP
   BY M/V SW DUCHESS IN AREA BOUND BY
   24-49.11S 042-42.02W, 24-49.10S 042-41.03W,
   25-07.51S 042-28.88W, 25-07.51S 042-29.87W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 050001Z SEP 23.

This area · survey operations

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

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05
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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

Worldwide now

86 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.