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 1504/132013-06-19 → 2013-06-21Seismic survey by M/V ramform vanguard towing 12 7000 meter long cables: a. 19 jun in area between 35-18.62S…Western South Atlantic · Uruguay
- HYDROLANT 1476/132013-06-16 → 2013-06-18Seismic survey by M/V ramform vanguard towing 12 7000 meter long cables: a. 16 jun along trackline between…Western South Atlantic · Uruguay
- HYDROLANT 1471/132013-06-15 → 2013-06-22Seismic survey 150300Z to 220259Z jun by M/V western neptune towing 12 10000 meter long cables in area bound…Brazil-south Coast
- HYDROLANT 1470/132013-06-15 → 2013-06-22Seismic survey 150300Z to 220259Z jun by M/V ramform viking towing ten 8100 meter long cables in area bound…Brazil-southeast Coast
- HYDROLANT 1469/132013-06-15 → 2013-06-22Seismic survey 150300Z to 220259Z jun by M/V ocean europe towing three 200 meter long cables in area bound…Brazil-southeast Coast
- HYDROLANT 1468/132013-06-15 → 2013-06-22Seismic survey 150300Z to 220259Z jun by M/V sanco star in area bound by 23-04.18S 041-03.50W, 23-07.82S…Brazil-southeast Coast
- HYDROLANT 1463/132013-06-14 → 2013-06-17Seismic survey by M/V ramform vanguard towing 12 7000 meter long cables: a. 13 and 14 jun along trackline…Western South Atlantic · Uruguay
- HYDROLANT 1453/132013-06-13 → 2013-06-25Seismic survey in progress until further notice by M/V osprey explorer towing 8100 meter long cable in area…Eastern South Atlantic · Namibia
- HYDROLANT 1452/132013-06-13 → 2013-06-15Seismic survey by M/V ramform vanguard towing 12 7000 meter long cables: a. 13 jun along trackline between…Western South Atlantic · Uruguay
- HYDROLANT 1446/132013-06-12 → 2013-06-14Seismic survey by M/V ramform vanguard towing 12 7000 meter long cables: a. 12 jun along trackline between…Western South Atlantic
- HYDROLANT 1437/132013-06-11 → 2013-06-13Seismic survey by M/V ramform vanguard towing 12 7000 meter long cables: a. 10 and 11 jun along trackline…Western South Atlantic · Uruguay
- HYDROLANT 1427/132013-06-10 → 2013-06-11Seismic survey by M/V ramform vanguard towing 12 7000 meter long cables: a. in progress along trackline…Western South Atlantic · Uruguay
- HYDROLANT 1414/132013-06-08 → 2013-06-15Seismic survey 080300Z to 150259Z jun by M/V ramform viking towing ten 8100 meter long cables in area bound…Brazil-southeast Coast
- HYDROLANT 1413/132013-06-08 → 2013-06-15Seismic survey 080300Z to 150259Z jun by M/V western neptune towing 12 10000 meter long cables in area bound…Brazil-south Coast
- HYDROLANT 1374/132013-06-03 → 2013-06-10Seismic survey in progress until further notice by M/V ramform vanguard towing 12 7000 meter long cables in…Western South Atlantic · Uruguay
- HYDROLANT 1360/132013-06-01 → 2013-06-02Seismic survey in progress until 021400Z jun by M/V ramform vanguard towing 12 8300 meter long cables in…Western South Atlantic · Uruguay
- HYDROLANT 1355/132013-05-31 → 2013-06-03Seismic survey by M/V ramform vanguard towing 12 7000 meter long cables: a. 31 may along trackline between…Western South Atlantic · Uruguay
- HYDROLANT 1354/132013-05-31 → 2013-06-08Seismic survey 010300Z to 080259Z jun by M/V sanco star in area bound by 22-14.40S 040-04.10W, 22-27.23S…Brazil-southeast Coast
- HYDROLANT 1353/132013-05-31 → 2013-06-08Seismic survey 010300Z to 080259Z jun by M/V ocean europe towing three 200 meter long cables in area bound…Brazil-southeast Coast
- HYDROLANT 1352/132013-05-31 → 2013-06-08Seismic survey 010300Z to 080259Z jun by M/V ramform viking towing ten 8100 meter long cables in area bound…Brazil-southeast Coast
- HYDROLANT 1351/132013-05-31 → 2013-06-08Seismic survey 010300Z to 080259Z jun by M/V western neptune towing 12 10000 meter long cables in area bound…Brazil-south Coast
- HYDROPAC 1554/132013-05-30 → 2013-06-14Cable laying operations in progress until 13 jun by M/V ile de re along trackline joining 18-07.8S…Western South Pacific · Fiji Islands
- HYDROLANT 1333/132013-05-29 → 2013-05-31Seismic survey by M/V ramform vanguard towing 12 7000 meter long cables: a. 29 may along trackline between…Western South Atlantic · Uruguay
- HYDROLANT 1308/132013-05-27 → 2013-05-29Seismic survey by M/V ramform vanguard towing 12 7000 meter long cables: a. 27 may along trackline between…Western South Atlantic · Uruguay
- HYDROLANT 1298/132013-05-26 → 2013-05-27Seismic survey in progress until further notice by M/V ramform vanguard towing 12 7000 meter long cables in…Western South Atlantic · Uruguay
- HYDROLANT 1285/132013-05-25 → 2013-06-01Seismic survey in progress until 010259Z jun by M/V western neptune towing 12 10000 meter long cables in…Brazil-south Coast
- HYDROLANT 1284/132013-05-25 → 2013-06-01Seismic survey 250300Z may to 010259Z jun by M/V ramform viking towing ten 8100 meter long cables in area…Brazil-southeast Coast
- HYDROLANT 1283/132013-05-25 → 2013-06-01Seismic survey 250300Z may to 010259Z jun by M/V ocean europe towing three 200 meter long cables in area…Brazil-southeast Coast
- HYDROLANT 1282/132013-05-25 → 2013-06-01Seismic survey 250300Z may to 010259Z jun by M/V sanco star in area bound by 22-14.40S 040-04.10W, 22-27.23S…Brazil-southeast Coast
- HYDROLANT 1278/132013-05-24 → 2013-05-26Seismic survey by M/V ramform vanguard towing 12 7000 meter long cables: a. 24 may along trackline between…Western South Atlantic · Uruguay
- HYDROLANT 1260/132013-05-22 → 2013-05-25Seismic survey by M/V ramform vanguard towing 12 7000 meter long cables: a. 22 may along trackline between…Western South Atlantic · Uruguay
- HYDROLANT 1252/132013-05-20 → 2013-05-22Seismic survey by M/V ramform vanguard towing 12 7000 meter long cables: a. 20 may along trackline between…Western South Atlantic · Uruguay
- HYDROLANT 1246/132013-05-20 → 2013-05-20Seismic survey by M/V ramform vanguard towing 12 7000 meter long cables: a. 20 may along trackline between…Western South Atlantic · Uruguay
- HYDROLANT 1242/132013-05-19 → 2013-05-20Seismic survey by M/V ramform vanguard towing 12 7000 meter long cables: a. 19 may along trackline between…Western South Atlantic · Uruguay
- HYDROLANT 1236/132013-05-17 → 2013-05-19Seismic survey by M/V ramform vanguard towing 12 7000 meter long cables: a. 17 may along trackline between…Western South Atlantic · Uruguay
- HYDROLANT 1235/132013-05-17 → 2013-05-25Seismic survey 180300Z to 250259Z may by M/V western neptune towing 12 6000 meter long cables in area bound…Brazil-south Coast
- HYDROLANT 1234/132013-05-17 → 2013-05-25Seismic survey 180300Z to 250259Z may by M/V ramform viking towing ten 8100 meter long cables in area bound…Brazil-southeast Coast
- HYDROLANT 1233/132013-05-17 → 2013-05-25Seismic survey 180300Z to 250259Z may by M/V ocean europe towing three 200 meter long cables in area bound…Brazil-southeast Coast
- HYDROLANT 1232/132013-05-17 → 2013-05-25Seismic survey 180300Z to 250259Z may by M/V sanco star in area bound by 22-14.40S 040-04.10W, 22-27.23S…Brazil-southeast Coast
- HYDROLANT 1229/132013-05-17 → 2013-06-13Seismic survey in progress until further notice by M/V osprey explorer towing 8100 meter long cable in area…Eastern South Atlantic · Namibia
- HYDROLANT 1221/132013-05-16 → 2013-05-19Seismic survey by M/V ramform vanguard towing 12 7000 meter long cables: a. 16 may along trackline between…Western South Atlantic · Uruguay
- HYDROLANT 1219/132013-05-16 → 2013-05-21Cable operations 160001Z to 210001Z may within one mile of 23-26.29S 044-24.66WBrazil-south Coast
- HYDROLANT 1216/132013-05-15 → 2013-05-29Seismic survey in progress until further notice by M/V explorer in area bound by 27-44.1S 015-28.8E,…Eastern South Atlantic · Namibia
- HYDROLANT 1210/132013-05-15 → 2013-05-15Seismic survey in progress until further notice by M/V explorer in area bound by 27-44.1S 015-28.8E 27-40.5S…Eastern South Atlantic · Namibia
- HYDROLANT 1192/132013-05-13 → 2013-05-15Seismic survey by M/V ramform vanguard towing 12 7000 meter long cables: a. 13 may along trackline between…Western South Atlantic · Uruguay
- HYDROLANT 1186/132013-05-11 → 2013-05-18Seismic survey in progress until 180259Z may by M/V ramform viking towing ten 8100 meter long cables in area…Brazil-southeast Coast
- HYDROLANT 1185/132013-05-11 → 2013-05-18Seismic survey in progress until 180259Z may by M/V western neptune towing 12 6000 meter long cables in area…Brazil-southeast Coast
- HYDROLANT 1184/132013-05-11 → 2013-05-18Seismic survey in progress until 180259Z may by M/V ocean europe towing three 200 meter long cables in area…Brazil-southeast Coast
- HYDROLANT 1183/132013-05-11 → 2013-05-18Seismic survey in progress until 180259Z may by M/V sanco star in area bound by 22-14.40S 040-04.10W,…Brazil-southeast Coast
- HYDROLANT 1168/132013-05-10 → 2013-05-12Seismic survey by M/V ramform vanguard towing 12 7000 meter long cables: a. 10 may along trackline between…Western South Atlantic · Uruguay
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.