Surveys
Survey operations by M/V polarcus alima towing 12 8100 meter long cables: a. 11 and 12 apr along trackline…
Western South Atlantic · HYDROLANT 1161/17
- issued
- 2017-04-11 18:50Z
- status
- cancelled 2017-04-14 00:01Z (archive)
- cancels
- HYDROLANT 1159/17
- authority
- NAVAREA VI 237/17 111849Z APR 17.
- position
- -36.540, -50.760
- 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:
A. 11 AND 12 APR ALONG TRACKLINE BETWEEN
36-57.45S 051-41.55W AND 36-20.15S 049-53.37W.
B. 12 AND 13 APR ALONG TRACKLINE BETWEEN
36-09.45S 049-58.55W AND 36-39.93S 051-28.22W.
SIX MILE BERTH REQUESTED.
2. CANCEL HYDROLANT 1159/17.
3. CANCEL THIS MSG 14 APR 17.
This area · survey operations
102 within 180 nm since 2002 · 0 in the last 12 months · 0 in force now
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- Survey operations in progress until further notice by M/V pxgeo 2 towing ten 8100 meter long cables in area…2024-04-09
- Survey operations in progress until further notice by M/V pxgeo 2 towing ten 8100 meter long cabes in area…2024-03-13
- Underwater operations 261900Z feb to 071200Z mar by M/V rebecca in area bound by 33-03.07S 047-27.95W,…2024-02-27
- Survey operations by M/V polarcus alima towing 12 8100 meter long cables: a. 16 and 17 apr along trackline…2017-04-16
- Survey operations 15 and 16 apr by M/V polarcus alima towing 12 8100 meter long cables along tracklines…2017-04-15
- Survey operations 14 thru 16 apr by M/V polarcus alima towing 12 8100 meter long cables along tracklines…2017-04-14
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.