Surveys

Survey operations by M/V polarcus alima towing 12 8100 meter long cables: a. 03 apr along trackline between…

Western South Atlantic · HYDROLANT 1079/17

issued
2017-04-03 20:08Z
status
cancelled 2017-04-05 00:01Z (archive)
cancels
HYDROLANT 1073/17
authority
NAVAREA VI 214/17 032008Z APR 17.
sea
South Atlantic Ocean
position
-35.528, -51.365
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. 03 APR ALONG TRACKLINE BETWEEN
      35-41.92S 051-16.32W AND 35-29.58S 051-35.32W.
   B. 03 AND 04 APR ALONG TRACKLINE BETWEEN
      35-21.72S 051-27.67W AND 35-34.02S 051-08.68W.
   C. 04 APR ALONG TRACKLINE BETWEEN
      35-41.65S 051-16.07W AND 35-29.33S 051-35.07W.
   D. 04 APR ALONG TRACKLINE BETWEEN
      35-21.45S 051-27.42W AND 35-33.75S 051-08.43W.
   SIX MILE BERTH REQUESTED.
2. CANCEL HYDROLANT 1073/17.
3. CANCEL THIS MSG 05 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.