Surveys

Survey operations by M/V polarcus alima towing 12 8100 meter long cables along tracklines between: a. 28 jan…

Western South Atlantic · HYDROLANT 301/17

issued
2017-01-28 17:01Z
status
cancelled 2017-01-30 00:01Z (archive)
cancels
HYDROLANT 267/17
authority
NAVAREA VI 55/17 281700Z JAN 17.
position
-35.304, -51.202
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. 28 JAN
      35-08.45S 051-23.85W AND 35-24.33S 050-59.35W.
   B. 28 JAN
      35-29.43S 051-04.25W AND 35-17.13S 051-23.23W.
   C. 28 AND 29 JAN
      35-08.18S 051-23.60W AND 35-24.07S 050-59.10W.
   SIX MILE BERTH REQUESTED.
2. CANCEL HYDROLANT 267/17.
3. CANCEL THIS MSG 30 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.