Surveys

Survey operations in progress until 25 oct by M/V sw diamond towing nine 225 meter long cables in area bound…

Western South Atlantic · HYDROLANT 2646/22

issued
2022-10-18 03:53Z
status
cancelled 2022-10-26 00:01Z (archive)
self-cancels
2022-10-26 00:01Z
authority
NAVAREA V 542/22 180228Z OCT 22.
sea
South Atlantic Ocean
position
-25.553, -42.855
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN SOUTH ATLANTIC.
DNC 01.
1. SURVEY OPERATIONS IN PROGRESS UNTIL
   25 OCT BY M/V SW DIAMOND TOWING NINE
   225 METER LONG CABLES IN AREA BOUND BY
   25-26.32S 043-02.47W, 25-38.17S 042-38.95W,
   25-40.37S 042-38.95W, 25-28.86S 043-02.98W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 260001Z OCT 22.

This area · survey operations

571 within 180 nm since 2000 · 0 in the last 12 months · 0 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

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.