Surveys

Survey operations by M/V polarcus alima towing 12 8100 meter long cables along tracklines between: a. 01 feb…

Western South Atlantic · HYDROLANT 336/17

issued
2017-02-01 11:22Z
status
cancelled 2017-02-03 00:01Z (archive)
authority
NAVAREA VI 63/17 011105Z FEB 17.
sea
South Atlantic Ocean
position
-35.267, -51.193
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN SOUTH ATLANTIC.
DNC 01, DNC 07.
1. SURVEY OPERATIONS BY M/V POLARCUS ALIMA
   TOWING 12 8100 METER LONG CABLES ALONG
   TRACKLINES BETWEEN:
   A. 01 FEB
      35-04.78S 051-20.48W AND 35-22.17S 050-53.52W.
   B. 01 FEB
      35-26.27S 051-00.80W AND 35-08.77S 051-27.78W.
   C. 01 FEB
      35-25.95S 051-00.60W AND 35-08.65S 051-27.38W.
   D. 01 FEB
      35-04.78S 051-20.48W AND 35-22.17S 050-53.52W.
   E. 01 FEB
      35-26.27S 051-00.80W AND 35-08.77S 051-27.78W.
   F. 02 FEB
      35-26.27S 051-00.80W AND 35-08.77S 051-27.78W.
   G. 02 FEB
      35-04.83S 051-20.98W AND 35-22.42S 050-53.73W.
   H. 02 FEB
      35-26.40S 051-01.12W AND 35-08.98S 051-28.02W.
   SIX MILE BERTH REQUESTED.
2. CANCEL THIS MSG 03 FEB 17.

This area · survey operations

118 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

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.