Surveys
Hydrographic survey in progress until 080300Z jan by M/V ocean surveyor towing 20 meter long cable in area…
HYDROLANT 20/08
- issued
- 2008-01-03 15:11Z
- status
- cancelled 2008-01-08 04:00Z (archive)
- self-cancels
- 2008-01-08 04:00Z
- authority
- NAVAREA V COASTAL 4006/08 031235Z JAN 08.
- sea
- South Atlantic Ocean
- position
- -11.097, -37.043
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. HYDROGRAPHIC SURVEY IN PROGRESS UNTIL 080300Z JAN BY M/V OCEAN SURVEYOR TOWING 20 METER LONG CABLE IN AREA BOUND BY 10-58.92S 036-58.57W, 11-01.45S 036-57.80W, 11-01.98S 037-01.88W, 11-09.43S 037-01.27W, 11-09.58S 037-03.27W, 11-02.20S 037-03.92W, 10-59.38S 037-02.18W. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 080400Z JAN.
This area · survey operations
38 within 180 nm since 2000 · 0 in the last 12 months · 0 in force now
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15
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22
- Underwater operations 311100Z mar to 022000Z apr by M/V bartira II and M/V mapele I in 13-26.53S 038-38.80W2022-03-31
- Underwater operations 0500Z to 1600Z daily until 21 oct by M/V xin hong, vessel luma d, and vessel vitor I…2020-10-16
- Survey operations 270500Z feb to 252100Z mar by M/V sable in area bound by 10-44.76S 036-33.13W, 10-44.53S…2020-02-27
- Survey operations 09 may thru 30 sep by M/V ramform tethys towing 16 8100 meter long cables in area bound by…2018-05-08
- Underwater operations in progress until 150359Z feb 15 in area bound by 11-15.51S 036-59.70W, 11-14.58S…2014-08-21
- Hydrographic survey 09 thru 12 may by M/V sirius in area bound by 10-42S 036-27W, 10-31S 036-07W, 10-51S…2011-05-06
Season · when survey operations happen here
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F
M
A
M
J
J
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month of issue, all years in the archive
Nearby now · within 120 nm
- Maceio light 09-41.03S 035-43.38W unlit until 31 octNav aids · 115.2 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.