Surveys

Survey operations by M/V polarcus alima towing 12 8100 meter long cables along tracklines between: a. 14 mar…

Western South Atlantic · Uruguay · HYDROLANT 824/17

issued: 2017-03-14 14:56Z
status: cancelled 2017-03-16 00:01Z (archive)
cancels: HYDROLANT 820/17
authority: NAVAREA VI 162/17 141400Z MAR 17.
sea: South Atlantic Ocean
position: -35.682, -51.310
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN SOUTH ATLANTIC.
URUGUAY.
DNC 01, DNC 07.
1. SURVEY OPERATIONS BY M/V POLARCUS ALIMA
   TOWING 12 8100 METER LONG CABLES
   ALONG TRACKLINES BETWEEN:
   A. 14 MAR
      35-49.78S 051-51.78W AND 36-00.08S 050-54.23W
      AND
      36-00.08S 050-54.23W AND 35-54.68S 050-50.97W.
   B. 15 MAR
      35-54.68S 050-50.97W AND 35-21.55S 051-37.83W
      AND
      35-20.95S 051-26.92W AND 35-33.25S 051-07.93W
      AND
      35-38.35S 051-12.87W AND 35-26.03S 051-31.85W.
   SIX MILE BERTH REQUESTED.
2. CANCEL HYDROLANT 820/17.
3. CANCEL THIS MSG 16 MAR 17.

This area · survey operations

119 within 180 nm since 2000 · 0 in the last 12 months · 0 in force now

Season · when survey operations happen here

month of issue, all years in the archive

Timeline

Survey operations by M/V polarcus alima towing 12 8100 meter long cables along tracklines between: a. 13 and…cancels · 2017-03-13
Survey operations by M/V polarcus alima towing 12 8100 meter long cables along tracklines between: a. 13 and…replaced · 2017-03-13
Survey operations in progress until 16 mar by M/V polarcus alima towing 12 8100 meter long cables along…cancelled by · 2017-03-15

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.