Surveys

Survey operations by M/V polarcus alima towing 12 8100 meter long cables along tracklines between: a. 25 jan…

Western South Atlantic · HYDROLANT 267/17

issued
2017-01-25 20:24Z
status
cancelled 2017-01-28 00:01Z (archive)
cancels
HYDROLANT 247/17
authority
NAVAREA VI 52/17 252008Z JAN 17.
position
-35.325, -51.210
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. 25 JAN
      35-29.95S 051-04.75W AND 35-17.65S 051-23.73W.
   B. 26 JAN
      35-08.45S 051-23.85W AND 35-24.33S 050-59.35W.
   C. 26 JAN
      35-29.68S 051-04.50W AND 35-17.40S 051-23.48W.
   D. 26 AND 27 JAN
      35-08.18S 051-23.60W AND 35-24.07S 050-59.10W.
   SIX MILE BERTH REQUESTED.
2. CANCEL HYDROLANT 247/17.
3. CANCEL THIS MSG 28 JAN 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

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.