Surveys
Rio de la plata
Western South Atlantic · HYDROLANT 785/17
- issued
- 2017-03-10 02:39Z
- status
- cancelled 2017-03-13 00:01Z (archive)
- cancels
- HYDROLANT 763/17
- authority
- NAVAREA VI 153/17 100200Z MAR 17.
- sea
- South Atlantic Ocean
- position
- -35.217, -54.040
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN SOUTH ATLANTIC.
RIO DE LA PLATA.
URUGUAY.
DNC 07.
1. SURVEY OPERATIONS BY M/V POLARCUS ALIMA
TOWING 12 8100 METER LONG CABLES
ALONG TRACKLINES BETWEEN:
A. 09 AND 10 MAR
35-08.52S 055-58.72W AND 35-02.88S 055-56.22W.
B. 10 THRU 12 MAR
35-02.88S 056-23.83W AND 35-23.43S 051-36.02W.
SIX MILE BERTH REQUESTED.
2. CANCEL HYDROLANT 763/17(23,24).
3. CANCEL THIS MSG 13 MAR 17.
This area · survey operations
117 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
- 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
- Survey operations by M/V polarcus alima towing 12 8100 meter long cables: a. 11 and 12 apr along trackline…2017-04-11
Season · when survey operations happen here
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F
M
A
M
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J
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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. 08 mar…cancels · 2017-03-08
- Survey operations by M/V polarcus alima towing 12 8100 meter long cables along tracklines between: a. 08 mar…replaced · 2017-03-08
- Survey operations by M/V polarcus alima towing 12 8100 meter long cables along tracklines between: a. 11 mar…cancelled by · 2017-03-11
Nearby now · within 120 nm
- Radiobeacon at chui light 33-44.6S 053-22.5W off air until 17 jan 27Nav aids · 94.4 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.