Surveys
Hydrographic survey in progress until 200300Z mar by M/V rou 22 oyarvide in area bound by 34-30.50S…
HYDROLANT 394/04
- issued
- 2004-03-09 19:10Z
- status
- cancelled 2004-03-20 04:00Z (archive)
- self-cancels
- 2004-03-20 04:00Z
- authority
- NAVAREA VI 80/04 091400Z MAR 04
- sea
- South Atlantic Ocean
- position
- -34.481, -53.471
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. HYDROGRAPHIC SURVEY IN PROGRESS UNTIL 200300Z MAR BY M/V ROU 22 OYARVIDE IN AREA BOUND BY 34-30.50S 053-34.75W, 34-35.83S 053-30.00W, 34-26.46S 053-21.07W, 34-22.43S 053-27.60W. 1.5 MILE BERTH REQUESTED. 2. CANCEL THIS MSG 200400Z MAR.
This area · survey operations
116 within 180 nm since 1998 · 0 in the last 12 months · 0 in force now
98
00
05
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15
17
- 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 12 apr by M/V polarcus alima towing 12 8100 meter long cables along trackline between…2017-04-11
- Survey operations by M/V polarcus alima towing 12 8100 meter long cables: a. 09 apr along trackline joining…2017-04-09
- Survey operations by M/V polarcus alima towing 12 8100 meter long cables: a. 08 apr along trackline between…2017-04-08
Season · when survey operations happen here
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month of issue, all years in the archive
Nearby now · within 120 nm
- Radiobeacon at chui light 33-44.6S 053-22.5W off air until 17 jan 27Nav aids · 44.5 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.