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 1863/132013-07-31 → 2013-08-06Cable laying operations 020100Z to 061100Z aug along trackline between 11-47.59S 037-22.28W and 11-47.29S…Brazil-east Coast
- HYDROLANT 1849/132013-07-30 → 2013-08-02Seismic survey by M/V ramform vanguard towing 12 7000 meter long cables: a. 30 jul along trackline between…Western South Atlantic · Uruguay
- HYDROLANT 1840/132013-07-29 → 2013-08-01Seismic survey by M/V ramform vanguard towing 12 7000 meter long cables: a. 29 thru 30 jul along trackline…Western South Atlantic · Uruguay
- HYDROLANT 1831/132013-07-28 → 2013-07-29Seismic survey by M/V ramform vanguard towing 12 7000 meter long cables: a. 29 thru 30 jul along trackline…Western South Atlantic · Uruguay
- HYDROLANT 1815/132013-07-26 → 2013-07-28Seismic survey by M/V ramform vanguard towing 12 7000 meter long cables: a. 26 jul along trackline between…Western South Atlantic · Uruguay
- HYDROLANT 1811/132013-07-25 → 2013-07-28Seismic survey in progress until 27 jul by M/V hawk explorer towing 12000 meter long cable along trackline…Western South Atlantic · Uruguay
- HYDROLANT 1806/132013-07-25 → 2013-11-13Seismic survey in progress until further notice by M/V ramform viking in areas bound by: a. 06-06.8S…Eastern South Atlantic · Angola
- HYDROLANT 1798/132013-07-24 → 2013-07-26Seismic survey by M/V ramform vanguard towing 12 7000 meter long cables: a. 24 and 25 jul along trackline…Western South Atlantic · Uruguay
- HYDROLANT 1793/132013-07-24 → 2013-07-25Seismic survey in progress until further notice by M/V hawk explorer towing 12000 meter long cable in area…Western South Atlantic · Uruguay
- HYDROLANT 1768/132013-07-22 → 2013-07-24Seismic survey by M/V ramform vanguard towing 12 7000 meter long cables: a. 22 jul along trackline between…Western South Atlantic · Uruguay
- HYDROLANT 1761/132013-07-20 → 2013-07-22Seismic survey by M/V ramform vanguard towing 12 7000 meter long cables: a. 21 jul along trackline between…Western South Atlantic · Uruguay
- HYDROLANT 1754/132013-07-20 → 2013-07-27Seismic survey in progress until 270259Z jul by M/V western neptune towing 12 10000 meter long cables in…Brazil-south Coast
- HYDROLANT 1743/132013-07-19 → 2013-07-22Seismic survey 19 and 21 jul by M/V hawk explorer towing 12000 meter long cable along trackline between…Western South Atlantic · Uruguay
- HYDROLANT 1738/132013-07-18 → 2013-07-20Seismic survey by M/V ramform vanguard towing 12 7000 meter long cables: a. 18 jul along trackline between…Western South Atlantic · Uruguay
- HYDROLANT 1718/132013-07-16 → 2013-07-19Seismic survey 17 and 18 jul by M/V hawk explorer towing 12000 meter long cable along trackline between…Western South Atlantic · Uruguay
- HYDROLANT 1709/132013-07-16 → 2013-07-18Seismic survey by M/V ramform vanguard towing 12 7000 meter long cables: a. 15 and 16 jul along trackline…Western South Atlantic · Uruguay
- HYDROLANT 1694/132013-07-14 → 2013-07-16Seismic survey by M/V ramform vanguard towing 12 7000 meter long cables: a. 14 jul along trackline between…Western South Atlantic · Uruguay
- HYDROLANT 1690/132013-07-13 → 2013-07-14Seismic survey in progress until further notice by M/V ramform vanguard towing 12 7000 meter long cables in…Western South Atlantic · Uruguay
- HYDROLANT 1686/132013-07-12 → 2013-07-20Seismic survey 130300Z to 200259Z jul by M/V western neptune towing 12 9260 meter long cables in area bound…Brazil-south Coast
- HYDROLANT 1676/132013-07-12 → 2013-07-14Seismic survey by M/V ramform vanguard towing 12 7000 meter long cables: a. 12 jul along trackline between…Western South Atlantic · Uruguay
- HYDROLANT 1664/132013-07-11 → 2013-07-12Seismic survey 11 jul by M/V ramform vanguard towing 12 7000 meter long cables along trackline between…Western South Atlantic · Uruguay
- HYDROLANT 1651/132013-07-09 → 2013-07-10Seismic survey 09 jul by M/V hawk explorer towing 12000 meter long cable along trackline between 36-14.62S…Western South Atlantic · Uruguay
- HYDROLANT 1641/132013-07-08 → 2013-07-10Seismic survey by M/V ramform vanguard towing 12 7000 meter long cables: a. 08 jul along trackline between…Western South Atlantic · Uruguay
- HYDROLANT 1635/132013-07-07 → 2013-07-09Seismic survey by M/V hawk explorer towing 12000 meter long cable: a. 07 jul along trackline between…Western South Atlantic · Uruguay
- HYDROLANT 1629/132013-07-06 → 2013-07-07Seismic survey in progress until further notice by M/V hawk explorer along trackline between 37-47.50S…Western South Atlantic · Uruguay
- HYDROLANT 1618/132013-07-05 → 2013-07-07Seismic survey by M/V ramform vanguard towing 12 7000 meter long cables: a. 05 jul along trackline between…Western South Atlantic · Uruguay
- HYDROLANT 1612/132013-07-04 → 2013-07-08Seismic survey by M/V hawk explorer towing 12000 meter long cable: a. 04 and 05 jul along trackline between…Western South Atlantic · Uruguay
- HYDROLANT 1599/132013-07-02 → 2013-07-05Seismic survey by M/V ramform vanguard towing 12 7000 meter long cables: a. 02 and 03 jul along trackline…Western South Atlantic · Uruguay
- HYDROLANT 1598/132013-07-02 → 2013-07-12Seismic survey in progress until 30 nov by M/V western neptune towing 12 9260 meter long cables in area…Brazil-south Coast
- HYDROLANT 1596/132013-07-02 → 2013-07-04Seismic survey 02 and 03 jul by M/V hawk explorer towing 12000 meter long cable along trackline between…Western South Atlantic · Uruguay
- HYDROLANT 1591/132013-07-02 → 2013-07-03Seismic survey 02 jul by M/V hawk explorer towing 12000 meter long cable along trackline between 36-28.65S…Western South Atlantic · Uruguay
- HYDROLANT 1590/132013-07-02 → 2013-07-02Seismic survey by M/V ramform vanguard towing 12 7000 meter long cables: a. 02 jul along trackline between…Western South Atlantic · Uruguay
- HYDROLANT 1576/132013-06-29 → 2013-07-02Seismic survey by M/V ramform vanguard towing 12 7000 meter long cables: a. 29 jun along trackline between…Western South Atlantic · Uruguay
- HYDROLANT 1575/132013-06-29 → 2013-07-02Seismic survey by M/V hawk explorer towing 12000 meter long cable: a. 29 jun along trackline between…Western South Atlantic · Uruguay
- HYDROLANT 1573/132013-06-29 → 2013-07-02Seismic survey in progress until 060259Z jul by M/V western neptune towing 12 10000 meter long cables in…Brazil-south Coast
- HYDROLANT 1572/132013-06-29 → 2013-07-06Seismic survey in progress until 060259Z jul by M/V ramform viking towing ten 8100 meter long cables in area…Brazil-southeast Coast
- HYDROLANT 1571/132013-06-29 → 2013-07-06Seismic survey in progress until 060259Z jul by M/V ocean europe towing three 200 meter long cables in area…Brazil-southeast Coast
- HYDROLANT 1570/132013-06-29 → 2013-07-06Seismic survey in progress until 060259Z jul by M/V sanco star in area bound by 23-06.43S 041-08.03W,…Brazil-southeast Coast
- HYDROLANT 1563/132013-06-28 → 2013-07-08Seismic survey in progress until further notice by M/V osprey explorer towing 8100 meter long cable in area…Eastern South Atlantic · Namibia · South Africa-west Coast
- HYDROLANT 1560/132013-06-27 → 2013-06-29Seismic survey by M/V ramform vanguard towing 12 7000 meter long cables: a. 27 jun along trackline joining…Western South Atlantic · Uruguay
- HYDROLANT 1554/132013-06-26 → 2013-06-28Seismic survey by M/V ramform vanguard towing 12 7000 meter long cables: a. 26 jun along trackline between…Western South Atlantic · Uruguay
- HYDROLANT 1549/132013-06-25 → 2013-06-26Seismic survey 24 and 25 jun by M/V ramform vanguard towing 12 7000 meter long cables along trackline…Western South Atlantic · Uruguay
- HYDROLANT 1537/132013-06-23 → 2013-06-25Seismic survey 23 and 24 jun by M/V hawk explorer towing 12000 meter long cable along trackline between…Western South Atlantic · Uruguay
- HYDROLANT 1536/132013-06-23 → 2013-06-26Seismic survey by M/V ramform vanguard towing 12 7000 meter long cables: a. 23 jun along trackline between…Western South Atlantic · Uruguay
- HYDROLANT 1526/132013-06-21 → 2013-06-29Seismic survey 220300Z to 290259Z jun by M/V western neptune towing 12 10000 meter long cables in area bound…Brazil-south Coast
- HYDROLANT 1525/132013-06-21 → 2013-06-29Seismic survey 220300Z to 290259Z jun by M/V ramform viking towing ten 8100 meter long cables in area bound…Brazil-southeast Coast
- HYDROLANT 1524/132013-06-21 → 2013-06-29Seismic survey 220300Z to 290259Z jun by M/V ocean europe towing three 200 meter long cables in area bound…Brazil-southeast Coast
- HYDROLANT 1523/132013-06-21 → 2013-06-29Seismic survey 220300Z to 290259Z jun by M/V sanco star in area bound by 23-06.27S 041-07.73W, 23-10.05S…Brazil-southeast Coast
- HYDROLANT 1520/132013-06-21 → 2013-06-24Seismic survey by M/V ramform vanguard towing 12 7000 meter long cables: a. 21 jun along trackline between…Western South Atlantic · Uruguay
- HYDROLANT 1514/132013-06-20 → 2013-06-23Seismic survey by M/V ramform vanguard towing 12 7000 meter long cables: a. 20 jun 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.