Cable & pipeline work in the South Atlantic Ocean
Cable laying, pipeline and seismic operations.
- in force
- 2
- last 12 months
- 3
- vs previous 12 (2)
- +50%
- since 1998
- 5,172
Coverage note: the NGA archive ends 2024-05 and live collection began 2026-08-17. Warnings issued in between are here only if they were still in force when collection started, so 2024–2026 are under-counted.
In force now · 2
- HYDROLANT 1497/26in force2026-08-04Survey operations by cableship Nautilus are in progress near Angola until 22 August; wide berth requested.South Atlantic · Angola
- NAVAREA II 269/26in force2026-07-02Seismic survey by vessel Ramform Victory is in progress off Pointe Noire until further notice; wide berth requested.Pointe Noire
Longest in force
- NAVAREA II 269/26in force2026-07-02 · 51 dSeismic survey by vessel Ramform Victory is in progress off Pointe Noire until further notice; wide berth requested.Pointe Noire
- HYDROLANT 1497/26in force2026-08-04 · 18 dSurvey operations by cableship Nautilus are in progress near Angola until 22 August; wide berth requested.South Atlantic · Angola
By month (all years)
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Other hazards in the South Atlantic Ocean
Archive · 5,170 cancelled
- HYDROLANT 1551/102010-08-17 → 2010-08-21Seismic survey 170300Z to 210259Z aug by M/V veritas vantage towing eight 7000 meter long cables in area…Brazil-south Coast
- HYDROLANT 1549/102010-08-17 → 2010-08-21Seismic survey in progress until 210259Z aug by M/V western neptune towing 12 3.5 mile long cables and M/V…Brazil-southeast Coast
- HYDROLANT 1529/102010-08-12 → 2010-08-17Seismic survey in progress until 170259Z aug by M/V ocean europe and M/V sanco star in area bound by…Brazil-southeast Coast
- HYDROLANT 1517/102010-08-10 → 2010-08-17Seismic survey in progress until 170259Z aug by M/V ramform sovereing towing 14 8100 meter long cables in…Brazil-southeast Coast
- HYDROLANT 1516/102010-08-10 → 2010-08-17Seismic survey in progress until 170259Z aug by M/V western neptune towing 12 3.5 mile long cables and M/V…Brazil-southeast Coast
- HYDROLANT 1515/102010-08-10 → 2010-08-17Seismic survey in progress until 170259Z aug by M/V veritas vantage towing eight 7000 meter long cables in…Brazil-south Coast
- HYDROLANT 1500/102010-08-06 → 2010-08-10Seismic survey 060300Z to 100259Z aug by M/V western neptune towing 12 3.5 mile long cables and M/V geco…Brazil-southeast Coast
- HYDROLANT 1486/102010-08-03 → 2010-08-06Seismic survey in progress until 100259Z aug by M/V western neptune towing 12 3.5 mile long cables and M/V…Brazil-southeast Coast
- HYDROLANT 1483/102010-08-03 → 2010-08-10Seismic survey in progress until 100259Z aug by M/V ocean europe and M/V sanco star in area bound by…Brazil-southeast Coast
- HYDROLANT 1482/102010-08-03 → 2010-08-10Seismic survey in progress until 100259Z aug by M/V ramform sovereing towing 14 8100 meter long cables in…Brazil-southeast Coast
- HYDROLANT 1464/102010-07-30 → 2010-08-03Seismic survey in progress until 030259Z aug by M/V ocean europe and M/V sanco star in area bound by…Brazil-southeast Coast
- HYDROLANT 1451/102010-07-29 → 2010-08-03Seismic survey in progress until 030259Z aug by M/V ramform sovereing towing 14 8100 meter long cables in…Brazil-southeast Coast
- HYDROLANT 1450/102010-07-29 → 2010-08-03Seismic survey in progress until 030259Z aug by M/V western neptune towing 12 3.5 mile long cables and M/V…Brazil-southeast Coast
- HYDROLANT 1448/102010-07-29 → 2010-08-03Seismic survey 290259Z jul to 030259Z aug by M/V veritas vantage towing eight 7000 meter long cables in area…Brazil-south Coast
- HYDROLANT 1412/102010-07-24 → 2010-07-29Seismic survey in progress until 290259Z jul by M/V western neptune towing 12 3.5 mile long cables and M/V…Brazil-southeast Coast
- HYDROLANT 1407/102010-07-23 → 2010-07-29Seismic survey in progress until 290259Z jul by M/V ramform sovereing towing 14 8100 meter long cables in…Brazil-southeast Coast
- HYDROLANT 1406/102010-07-23 → 2010-07-29Seismic survey in progress until 290259Z jul by M/V ocean europe and M/V sanco star in area bound by…Brazil-southeast Coast
- HYDROLANT 1404/102010-07-23 → 2010-07-24Seismic survey in progress until 290259Z jul by M/V western neptune towing 12 3.5 mile long cables and M/V…Brazil-southeast Coast
- HYDROLANT 1403/102010-07-23 → 2010-07-29Seismic survey 230300Z to 290259Z jul by M/V ocean surveyor towing 200 meter long cables in area bound by…Brazil-southeast Coast
- HYDROLANT 1402/102010-07-23 → 2010-07-29Seismic survey 230300Z to 290259Z jul by M/V veritas vantage towing eight 7000 meter long cables in area…Brazil-south Coast
- HYDROLANT 1346/102010-07-15 → 2010-07-22Seismic survey in progress until 220259Z jul by M/V western neptune towing 12 3.5 mile long cables and M/V…Brazil-southeast Coast
- HYDROLANT 1345/102010-07-15 → 2010-07-22Seismic survey in progress until 220259Z jul by M/V ramform sovereing towing 14 8100 meter long cables in…Brazil-southeast Coast
- HYDROLANT 1344/102010-07-15 → 2010-07-22Seismic survey in progress until 220259Z jul by M/V ocean europe and M/V sanco star in area bound by…Brazil-southeast Coast
- HYDROLANT 1294/102010-07-08 → 2010-07-15Seismic survey in progress until 150259Z jul by M/V ocean europe and M/V sanco star in area bound by…Brazil-southeast Coast
- HYDROLANT 1293/102010-07-08 → 2010-07-15Seismic survey in progress until 150259Z jul by M/V ramform sovereing towing 14 8100 meter long cables in…Brazil-southeast Coast
- HYDROLANT 1292/102010-07-08 → 2010-07-15Seismic survey in progress until 150259Z jul by M/V western neptune towing 12 3.5 mile long cables and M/V…Brazil-southeast Coast
- HYDROLANT 1219/102010-06-30 → 2010-07-07Seismic survey in progress until 070259Z jul by M/V ocean europe and M/V sanco star in area bound by…Brazil-southeast Coast
- HYDROLANT 1218/102010-06-30 → 2010-07-07Seismic survey in progress until 070259Z jul by M/V ramform sovereing towing 14 8100 meter long cables in…Brazil-southeast Coast
- HYDROLANT 1217/102010-06-30 → 2010-07-07Seismic survey in progress until 070259Z jul by M/V veritas vantage towing eight 7000 meter long cables in…Brazil-south Coast
- HYDROLANT 1182/102010-06-25 → 2010-06-29Seismic survey in progress until 290259Z jun by M/V veritas vantage towing eight 7000 meter long cables in…Brazil-south Coast
- HYDROLANT 1181/102010-06-25 → 2010-06-29Seismic survey in progress until 290259Z jun by M/V ramform sovereing towing 14 8100 meter long cables in…Brazil-southeast Coast
- HYDROLANT 1180/102010-06-25 → 2010-06-29Seismic survey in progress until 290259Z jun by M/V western neptune towing 12 3.5 mile long cables and M/V…Brazil-southeast Coast
- HYDROLANT 1179/102010-06-25 → 2010-06-29Seismic survey in progress until 290259Z jun by M/V ocean europe and M/V sanco star in area bound by…Brazil-southeast Coast
- HYDROLANT 1153/102010-06-21 → 2010-10-01Seismic survey in progress until 011200Z oct by M/V geo caribbean towing 12 4.5 meter long cables in area…Eastern South Atlantic
- HYDROLANT 1149/102010-06-20 → 2010-06-25Seismic survey in progress until 250259Z jun by M/V ocean europe and M/V sanco star in area bound by…Brazil-southeast Coast
- HYDROLANT 1140/102010-06-19 → 2010-06-25Seismic survey in progress until 250259Z jun by M/V ramform sovereing towing 14 8100 meter long cables in…Brazil-southeast Coast
- HYDROLANT 1139/102010-06-19 → 2010-06-25Seismic survey 190300Z to 250259Z jun by M/V western neptune towing 12 3.5 mile long cables and M/V geco…Brazil-southeast Coast
- HYDROLANT 1138/102010-06-19 → 2010-06-25Seismic survey 190300Z to 250259Z jun by M/V veritas vantage towing eight 7000 meter long cables in area…Brazil-south Coast
- HYDROLANT 1120/102010-06-16 → 2010-06-19Seismic survey 160300Z to 190259Z jun by M/V ramform sovereing towing 14 8100 meter long cables in area…Brazil-southeast Coast
- HYDROLANT 1119/102010-06-16 → 2010-06-19Seismic survey 160300Z to 190259Z jun by M/V western neptune towing 12 3.5 mile long cables and M/V geco…Brazil-southeast Coast
- HYDROLANT 1118/102010-06-16 → 2010-06-19Seismic survey 160300Z to 190259Z jun by M/V ocean europe and M/V sanco star in area bound by 22-11.22S…Brazil-southeast Coast
- HYDROLANT 1088/102010-06-12 → 2010-06-16Seismic survey 120300Z to 160259Z jun by M/V western neptune towing 12 3.5 mile long cables and M/V geco…Brazil-southeast Coast
- HYDROLANT 1087/102010-06-12 → 2010-06-16Seismic survey 120300Z to 160259Z jun by M/V ocean europe and M/V sanco star in area bound by 22-29.07S…Brazil-southeast Coast
- HYDROLANT 1086/102010-06-12 → 2010-06-16Seismic survey 120300Z to 160259Z jun by M/V ramform sovereing towing 14 8100 meter long cables in area…Brazil-southeast Coast
- HYDROLANT 1060/102010-06-08 → 2010-08-10Seismic survey in progress until 09 aug by vessel luke thomas in areas: a. between 04-30S 05-03S and 036-30W…Brazil-northeast Coast · Brazil-southeast Coast
- HYDROLANT 1055/102010-06-08 → 2010-06-08Seismic survey in progress until 09 aug by vessel luke thomas in areas: a. between 04-30S 05-03S and 036-30W…Brazil-northeast Coast · Brazil-southeast Coast
- HYDROLANT 1052/102010-06-08 → 2010-06-12Seismic survey 080300Z to 120259Z jun by M/V veritas vantage towing eight 7000 meter long cables in area…Brazil-south Coast
- HYDROLANT 1051/102010-06-08 → 2010-06-12Seismic survey 080300Z to 120259Z jun by M/V ocean europe and M/V sanco star in area bound by 22-29.07S…Brazil-southeast Coast
- HYDROLANT 1050/102010-06-08 → 2010-06-12Seismic survey 080300Z to 120259Z jun by M/V ramform sovereing towing 14 8100 meter long cables in area…Brazil-southeast Coast
- HYDROLANT 1049/102010-06-08 → 2010-06-12Seismic survey 080300Z to 120259Z jun by M/V western neptune towing 12 3.5 mile long cables and M/V geco…Brazil-southeast Coast
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts and your national MSI service.