Surveys
Survey operations in progress until 230259Z may by M/V ocean explorer towing 6000 meter long cable in area…
HYDROLANT 855/04
- issued
- 2004-05-19 09:10Z
- status
- cancelled 2004-05-23 03:59Z (archive)
- self-cancels
- 2004-05-23 03:59Z
- authority
- NAVAREA V 45/04 190359Z MAY 04
- sea
- South Atlantic Ocean
- position
- -22.339, -40.202
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. SURVEY OPERATIONS IN PROGRESS UNTIL 230259Z MAY BY M/V OCEAN EXPLORER TOWING 6000 METER LONG CABLE IN AREA BOUND BY 22-15S 040-14W, 22-20S 040-18W, 22-26S 040-09W, 22-20S 040-07W. ONE MILE BERTH REQUESTED. 2. CANCEL THIS MSG 230359Z MAY.
This area · survey operations
736 within 180 nm since 2000 · 15 in the last 12 months · 15 in force now
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- Underwater operations 1100Z to 2100Z daily 15 thru 29 aug by M/V comando b and M/V rosco banyan in 20-23.37S…2026-08-14
- Underwater operations 1100Z to 2100Z daily 12 thru 21 aug by M/V comando b and M/V faneromeni in 20-23.67S…2026-08-13
- Underwater operations 1100Z to 2100Z daily 13 thru 22 aug by M/V comando b and M/V am kirti in 20-23.90S…2026-08-13
- Underwater operations in progress until 27 aug by M/V navios felix and M/V comando b in 20-22.12S 040-08.38W2026-08-13
- Underwater operations 0800Z to 1800Z daily 11 thru 25 aug by M/V comando b and M/V faneromeni in 20-23.00S…2026-08-10
- Survey operations 10 aug 26 thru 08 mar 27 by tug mce navegacao I in area bound by 22-48.38S 041-08.21W,…2026-08-09
Season · when survey operations happen here
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month of issue, all years in the archive
Timeline
- Cancel HYDROLANT 855/04, 868/04 and this msgcancelled by · 2004-07-02
Nearby now · within 120 nm
- Survey operations in progress until 09 jul 27 by M/V bgp dragon towing 250 meter long cable in area bound by…Surveys · 10.5 nm
- Underwater operations in progress until 170259Z aug in 22-22.48S 040-25.05WSurveys · 12.2 nm
- Underwater operations 1000Z to 2000Z daily until 02 nov 26 by M/V fugro vaquita in: a. 22-26.32S 040-25.47WSurveys · 13.6 nm
- Underwater operations 281000Z jul to 192100Z aug by M/V umi polaris in area bound by 21-53.65S 040-49.70W,…Surveys · 40.3 nm
- Underwater operations in progress until 312300Z aug by M/V fugro vaquita in area bound by 21-35.43S…Surveys · 41 nm
- Underwater operations in progress until 140001Z nov by M/V fugro vaquita in area bound by 22-03.00S…Surveys · 41.6 nm
- Survey operations in progress until 312200Z aug in area bound by 21-36.17S 041-00.00W, 21-36.05S 040-37.59W,…Surveys · 45.5 nm
- RACON at cabo sao tome light 22-02.52S 041-03.17W off air until 28 sepNav aids · 50.6 nm
- Odas buoy temporarily established until 13 apr 27 in 21-34.20S 040-43.62WNav aids · 54.7 nm
- Survey operations 10 aug 26 thru 08 mar 27 by tug mce navegacao I in area bound by 22-48.38S 041-08.21W,…Surveys · 57.1 nm
- Barra de itabapoana light 21-18.80S 040-57.90W unlit until 08 sep 26Nav aids · 74.8 nm
- Underwater operations 1100Z to 2100Z daily 13 thru 22 aug by M/V comando b and M/V am kirti in 20-23.90S…Surveys · 116.5 nm
Worldwide now
86 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.