Surveys

Survey operations by M/V polarcus alima towing 12 8100 meter long cables along tracklines between: a. 08 mar…

Western South Atlantic · HYDROLANT 763/17

issued
2017-03-08 14:42Z
status
cancelled 2017-03-10 02:39Z (archive)
cancels
HYDROLANT 743/17
authority
NAVAREA VI 149/17 081429Z MAR 17.
sea
South Atlantic Ocean
position
-36.198, -52.377
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 ALONG
   TRACKLINES BETWEEN:
   A. 08 MAR
      37-18.55S 053-02.30W AND 35-21.01S 052-55.50W.
   B. 08 AND 09 MAR
      37-21.01S 052-55.50W AND 35-24.24S 051-41.28W.
   C. 09 MAR
      35-24.40S 051-41.28W AND 35-23.43S 051-36.01W.
   D. 09 MAR
      35-23.43S 051-36.01W AND 35-40.18S 051-10.67W.
   E. 10 MAR
      35-49.20S 051-15.50W AND 35-32.63S 051-41.12W.
   SIX MILE BERTH REQUESTED.
2. CANCEL HYDROLANT 743/17.
3. CANCEL THIS MSG 11 MAR 17.

This area · survey operations

121 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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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.