Surveys

Survey operations 02 thru 09 aug by M/V sw diamond towing nine 225 meter long cables in area bound by…

Western South Atlantic · HYDROLANT 1901/22

issued
2022-08-01 06:12Z
status
cancelled 2022-08-10 00:01Z (archive)
self-cancels
2022-08-10 00:01Z
cancels
HYDROLANT 1847/22
authority
NAVAREA V 379/22 010605Z AUG 22.
sea
South Atlantic Ocean
position
-25.340, -42.727
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN SOUTH ATLANTIC.
DNC 01.
1. SURVEY OPERATIONS 02 THRU 09 AUG
   BY M/V SW DIAMOND TOWING NINE 225
   METER LONG CABLES IN AREA BOUND BY
   25-12.55S 042-46.21W, 25-18.89S 042-33.64W,
   25-27.47S 042-32.90W, 25-28.10S 042-33.32W,
   25-28.53S 042-39.51W, 25-22.19S 042-52.11W,
   25-15.90S 042-57.32W, 25-15.47S 042-56.70W.
   WIDE BERTH REQUESTED.
2. CANCEL HYDROLANT 1847/22.
3. CANCEL THIS MSG 100001Z AUG 22.

This area · survey operations

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

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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

83 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.