Cable ops
Seismic survey 280300Z sep to 020359Z oct by M/V cgg harmattan towing six 6000 meter long cables in area…
HYDROLANT 1839/03
- issued
- 2003-09-28 02:07Z
- status
- cancelled 2003-10-02 04:59Z (archive)
- self-cancels
- 2003-10-02 04:59Z
- cancels
- HYDROLANT 1821/03
- authority
- NAVAREA V 1152/03 280139Z SEP 03; NAVAREA V 1154/03 280139Z SEP 03
- sea
- South Atlantic Ocean
- position
- -23.484, -39.571
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. SEISMIC SURVEY 280300Z SEP TO 020359Z OCT BY M/V CGG HARMATTAN TOWING SIX 6000 METER LONG CABLES IN AREA BOUND BY 23-12S 039-56W, 23-12S 039-10W, 23-46S 039-12W, 23-46S 039-59W. FOUR MILE BERTH REQUESTED. 2. CANCEL HYDROLANT 1821/03. 3. CANCEL THIS MSG 020459Z OCT.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2003-09-28 03:00Z | 2003-10-02 03:59Z | — | 96 h 59 |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
This area · cable & pipeline work
1720 within 180 nm since 1998 · 0 in the last 12 months · 0 in force now
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17
- Seismic survey 21 thru 28 jan by oceanic champion towing 12 8000 meter long cables in area bound by…2017-01-19
- Seismic survey 14 thru 21 jan by oceanic champion towing 12 8000 meter cables in area bound by 25-33.47S…2017-01-10
- Seismic survey in progress until 14 jan by oceanic champion towing 12 8000 meter cables in area bound by…2017-01-07
- Seismic survey 31 dec thru 07 jan 17 by M/V oceanic champion towing 12 7408 meter long cables in area bound…2016-12-30
- Seismic survey in progress until 17 dec by M/V oceanic vega towing 9300 meter long cable in area bound by…2016-12-10
- Seismic survey in progress until 10 dec by M/V oceanic vega towing 9300 meter long cable in area bound by…2016-12-03
Season · when cable & pipeline work happen here
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month of issue, all years in the archive
Timeline
Nearby now · within 120 nm
- Underwater operations in progress until 140001Z nov by M/V fugro vaquita in area bound by 22-03.00S…Surveys · 36 nm
- Survey operations in progress until 09 jul 27 by M/V bgp dragon towing 250 meter long cable in area bound by…Surveys · 76.9 nm
- Underwater operations 1000Z to 2000Z daily until 02 nov 26 by M/V fugro vaquita in: a. 22-26.32S 040-25.47WSurveys · 78 nm
- Underwater operations in progress until 170259Z aug in 22-22.48S 040-25.05WSurveys · 81.4 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 · 92.2 nm
- Underwater operations in progress until 312300Z aug by M/V fugro vaquita in area bound by 21-35.43S…Surveys · 114.5 nm
- Underwater operations 281000Z jul to 192100Z aug by M/V umi polaris in area bound by 21-53.65S 040-49.70W,…Surveys · 115.1 nm
- RACON at cabo sao tome light 22-02.52S 041-03.17W off air until 28 sepNav aids · 119.3 nm
Worldwide now
40 cable & pipeline work in force · see all
Cable ops
Cable laying, pipeline and seismic operations. All current cable & pipeline work →
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.