Surveys

Survey operations in progress by M/V sw duchess in area bound by 25-08.72S 042-32.59W, 24-49.08S 042-45.54W,…

Western South Atlantic · HYDROLANT 2293/23

issued
2023-10-10 06:05Z
status
cancelled 2023-10-11 00:01Z (archive)
self-cancels
2023-10-11 00:01Z
authority
NAVAREA V 437/23 100402Z OCT 23.
sea
South Atlantic Ocean
position
-24.984, -42.653
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN SOUTH ATLANTIC.
DNC 01.
1. SURVEY OPERATIONS IN PROGRESS BY
   M/V SW DUCHESS IN AREA BOUND BY
   25-08.72S 042-32.59W, 24-49.08S 042-45.54W,
   24-49.17S 042-45.97W, 25-09.20S 042-32.77W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 110001Z OCT 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

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.