Surveys

Survey operations 18 thru 21 nov by M/V sw diamond towing nine 225 meter long cables in area bound by…

Western South Atlantic · HYDROLANT 2956/22

issued
2022-11-17 20:28Z
status
cancelled 2022-11-22 00:01Z (archive)
self-cancels
2022-11-22 00:01Z
authority
NAVAREA V 594/22 172025Z NOV 22.
sea
South Atlantic Ocean
position
-25.556, -42.852
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN SOUTH ATLANTIC.
DNC 01.
1. SURVEY OPERATIONS 18 THRU 21 NOV BY
   M/V SW DIAMOND TOWING NINE 225 METER LONG
   CABLES IN AREA BOUND BY
   25-39.05S 042-39.43W, 25-27.31S 043-02.71W,
   25-27.73S 043-02.79W, 25-39.41S 042-39.64W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 220001Z NOV 22.

This area · survey operations

570 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.