Surveys
Survey operations by M/V polarcus alima towing 12 8100 meter long cables along tracklines between: a. 28 feb…
Western South Atlantic · HYDROLANT 660/17
- issued
- 2017-02-28 18:01Z
- status
- cancelled 2017-03-01 15:20Z (archive)
- cancels
- HYDROLANT 643/17
- authority
- NAVAREA VI 126/17 281800Z FEB 17.
- sea
- South Atlantic Ocean
- position
- -35.496, -51.333
- 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 FEB
35-19.93S 051-25.95W AND 35-32.23S 051-06.97W.
B. 28 FEB AND 01 MAR
35-40.90S 051-15.35W AND 35-28.57S 051-34.33W.
C. 01 MAR
35-20.20S 051-26.18W AND 35-32.48S 051-07.22W.
D. 01 MAR
35-41.15S 051-15.58W AND 35-28.85S 051-34.58W.
E. 02 MAR
35-20.43S 051-26.43W AND 35-32.73S 051-07.45W.
SIX MILE BERTH REQUESTED.
2. CANCEL HYDROLANT 643/17.
3. CANCEL THIS MSG 03 MAR 17.
This area · survey operations
119 within 180 nm since 2000 · 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
- Survey operations by M/V polarcus alima towing 12 8100 meter long cables along tracklines between: a. 26 feb…cancels · 2017-02-26
- Survey operations by M/V polarcus alima towing 12 8100 meter long cables along tracklines between: a. 26 feb…replaced · 2017-02-26
- Survey operations by M/V polarcus alima towing 12 8100 meter long cables along tracklines between: a. 01 mar…cancelled by · 2017-03-01
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.