Surveys

Survey operations by M/V polarcus alima towing 12 8100 meter long cables: a. 30 mar along trackline between…

Western South Atlantic · HYDROLANT 1026/17

issued
2017-03-30 03:01Z
status
cancelled 2017-03-30 14:38Z (archive)
authority
NAVAREA VI 204/17 300200Z MAR 17.
sea
South Atlantic Ocean
position
-35.529, -51.366
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN SOUTH ATLANTIC.
DNC 07.
1. SURVEY OPERATIONS BY M/V POLARCUS ALIMA
   TOWING 12 8100 METER LONG CABLES:
   A. 30 MAR ALONG TRACKLINE BETWEEN
      35-23.23S 051-29.13W AND 35-35.53S 051-10.15W.
   B. 30 MAR ALONG TRACKLINE BETWEEN
      35-43.18S 051-17.55W AND 35-30.85S 051-36.55W.
   C. 31 MAR ALONG TRACKLINE BETWEEN
      35-22.36S 051-28.53W AND 35-35.28S 051-09.90W.
   SIX MILE BERTH REQUESTED.
2. CANCEL THIS MSG 01 APR 17.

This area · survey operations

119 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

Nothing else in force 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.