Surveys

Survey operations in progress until 02 sep by M/V sw diamond towing nine 225 meter long cables in area bound…

Western South Atlantic · HYDROLANT 2155/22

issued
2022-08-31 06:38Z
status
cancelled 2022-09-02 06:52Z (archive)
self-cancels
2022-09-03 00:01Z
authority
NAVAREA V 429/22 310318Z AUG 22.
sea
South Atlantic Ocean
position
-25.461, -42.802
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN SOUTH ATLANTIC.
DNC 01.
1. SURVEY OPERATIONS IN PROGRESS UNTIL 02 SEP
   BY M/V SW DIAMOND TOWING NINE 225 METER
   LONG CABLES IN AREA BOUND BY
   25-21.35S 042-59.96W, 25-33.40S 042-36.05W,
   25-33.98S 042-36.38W, 25-21.94S 043-00.24W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 030001Z SEP 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

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.