Surveys

Survey operations by M/V polarcus alima towing 12 8100 meter long cables: a. 05 apr along trackline between…

Western South Atlantic · HYDROLANT 1102/17

issued
2017-04-05 13:58Z
status
cancelled 2017-04-07 00:01Z (archive)
authority
NAVAREA VI 217/17 051351Z APR 17.
position
-35.522, -51.358
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. 05 APR ALONG TRACKLINE BETWEEN
      35-21.20S 051-27.17W AND 35-33.50S 051-08.18W.
   B. 05 AND 06 APR ALONG TRACKLINE BETWEEN
      35-41.40S 051-15.83W AND 35-29.08S 051-34.82W.
   SIX MILE BERTH REQUESTED.
2. CANCEL THIS MSG 07 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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05
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24

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

73 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.