Surveys

Survey operations in progress until 26 sep by M/V sw duchess in area bound by 25-08.48S 042-32.45W,…

Western South Atlantic · HYDROLANT 2153/23

issued
2023-09-25 05:10Z
status
cancelled 2023-09-27 00:01Z (archive)
self-cancels
2023-09-27 00:01Z
cancels
HYDROLANT 2132/23
authority
NAVAREA V 399/23 250402Z SEP 23.
sea
South Atlantic Ocean
position
-24.982, -42.650
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN SOUTH ATLANTIC.
DNC 01.
1. SURVEY OPERATIONS IN PROGRESS UNTIL 26 SEP
   BY M/V SW DUCHESS IN AREA BOUND BY
   25-08.48S 042-32.45W, 24-49.08S 042-45.24W,
   24-49.17S 042-45.67W, 25-08.96S 042-32.63W.
   WIDE BERTH REQUESTED.
2. CANCEL HYDROLANT 2132/23.
3. CANCEL THIS MSG 270001Z 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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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.