Surveys

Underwater operations in progress until 220300Z mar by M/V skandi niteroi and M/V polares IX in 25-52.60S…

Western South Atlantic · HYDROLANT 820/22

issued
2022-03-21 23:36Z
status
cancelled 2022-03-22 04:00Z (archive)
self-cancels
2022-03-22 04:00Z
authority
NAVAREA V 157/22 212313Z MAR 22.
sea
South Atlantic Ocean
position
-25.877, -43.130
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN SOUTH ATLANTIC.
DNC 01.
1. UNDERWATER OPERATIONS IN PROGRESS UNTIL
   220300Z MAR BY M/V SKANDI NITEROI AND
   M/V POLARES IX IN 25-52.60S 043-07.82W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 220400Z MAR 22.

This area · survey operations

497 within 180 nm since 2000 · 2 in the last 12 months · 0 in force now

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Season · when survey operations happen here

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Nearby now · within 120 nm

Worldwide now

84 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.