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 · 50 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
- HYDROPAC 3092/252025-11-25 → 2026-01-16Cable operations in progress until further notice by M/V layla along trackline joining 35-33.00S 179-05.00W,…South Pacific · New Zealand
- HYDROLANT 1968/242024-09-10 → 2026-08-17Cable operations 121200Z sep until further notice by cableship leon thevenin in area bound by 05-45.43S…Eastern South Atlantic · Angola
- HYDROLANT 1943/242024-09-05 → 2026-08-17Cable operations in progress until 03 feb 25 by cableship bold maverick in: a. 22-11.33S 041-06.38WWestern South Atlantic · Brazil
- HYDROLANT 125/242024-01-16 → 2024-01-23Cable operations 171200Z jan until further notice by cableship leon thevenin in area bound by 05-37.00S…Eastern South Atlantic
- HYDROLANT 114/242024-01-15 → 2024-02-27Cable operations by cableship rebecca: a. 191000Z to 252359Z jan along trackline joining 14-49.32S…Western South Atlantic
- HYDROLANT 106/242024-01-14 → 2024-01-16Cable operations 171200Z jan until further noticed by cableship leon thevenin in vicinity of trackline…Eastern South Atlantic
- HYDROLANT 81/242024-01-11 → 2024-01-26Cable operations in progress until 25 jan by cableship ile de sein along trackline joining 04-35.30S…Eastern South Atlantic · Congo, (brazzaville)
- HYDROLANT 2987/232023-12-31 → 2024-01-11Cable operations in progress until 10 jan 24 by cableship ile de sein in vicinity of trackline joining…Eastern South Atlantic · Congo, (brazzaville)
- HYDROLANT 2949/232023-12-27 → 2024-03-31Cable operations in progress until 30 mar 24 by cableship durable in: a. 24-05.68S 046-30.76WWestern South Atlantic · Brazil
- HYDROLANT 2684/232023-11-21 → 2023-12-21Cable operations in progress until further notice by cableship ile de sein in area bound by 08-42.61S…Eastern South Atlantic · Angola
- HYDROLANT 2364/232023-10-18 → 2023-10-27Cable operations 201200Z oct until further notice by cableship leon thevenin in 05-43.00S 012-06.00EEastern South Atlantic · Angola
- HYDROLANT 2211/232023-09-30 → 2023-10-09Cable operations 021200Z oct until further notice by cableship leon thevenin in area bound by 05-36.00S…Eastern South Atlantic · Angola
- HYDROLANT 1922/232023-08-27 → 2023-09-19Cable operations 301200Z aug until further notice by cableship leon thevenin in area bound by 05-40.00S…Eastern South Atlantic
- HYDROLANT 1395/232023-06-23 → 2024-01-04Cable operations in progress thru 03 jan 24 by M/V puerto real in area bound by 24-31.30S 042-12.30W,…Western South Atlantic · Brazil
- HYDROLANT 744/232023-04-06 → 2023-04-10Cable operations in progress until further notice by cableship leon thevenin with submersible in area bound…Eastern South Atlantic · Congo, (brazzaville)
- HYDROLANT 2545/222022-10-07 → 2022-10-10Seismic survey in progress until 09 oct by M/V sw diamond towing nine 225 meter long cables in area bound by…Western South Atlantic
- HYDROLANT 2235/222022-09-06 → 2022-09-10Cable operations in progress until further notice by cableship ile de sein in 32-07.00S 013-53.00EEastern South Atlantic
- HYDROLANT 2078/222022-08-22 → 2022-09-07Cable operations 27 aug until further notice by cableship leon thevenin in area bound by 22-40.80S…Eastern South Atlantic · Namibia
- HYDROLANT 1807/222022-07-19 → 2022-08-10Cable operations 24 jul thru 09 aug by cableship ile de sein in area bound by 32-10.70S 013-58.40E,…Eastern South Atlantic · South Africa
- HYDROLANT 1582/222022-06-20 → 2022-07-19Cable operations in progress until further notice by cableship ile de sein in area bound by 23-37.20S…Eastern South Atlantic · Namibia
- HYDROLANT 1549/222022-06-17 → 2022-07-04Cable operations 19 jun until further notice by cableship leon thevenin in area bound by 33-42.70S…Eastern South Atlantic · South Africa
- HYDROLANT 1537/222022-06-15 → 2022-06-20Cable operations in progress until further notice by cableship ile de sein in area bound by 22-38.80S…Eastern South Atlantic · Namibia
- HYDROLANT 1295/222022-05-16 → 2022-05-17Cable operations in progress until further notice by cableship ile de sein along trackline joining 37-56.60S…Eastern North Atlantic · Portugal
- HYDROLANT 670/222022-03-06 → 2022-03-13Cable operations in progress until further notice by cableship ile de brehat along trackline joining 00-09S…Eastern South Atlantic
- HYDROLANT 479/222022-02-18 → 2022-03-31Cable operations in progress until 10 apr by M/V rebecca along trackline joining 03-19.86S 030-19.57W,…Western South Atlantic
- HYDROPAC 209/222022-01-25 → 2022-02-27Cable operations in progress until 27 feb by cableship ile de re along trackline joining 18-07.91S…Western South Pacific · Fiji
- HYDROPAC 161/222022-01-20 → 2022-01-25Cable operations in progress until further notice by cableship ile de re in area bound by 17-56.70S…Western South Pacific · Fiji
- HYDROLANT 1378/212021-05-22 → 2021-05-31Cable operations 250001Z may until further notice by cableship leon thevenin in area bound by 05-50S…Eastern South Atlantic
- HYDROLANT 1066/212021-04-18 → 2021-04-24Underwater operations 1100Z to 2100Z daily 19 thru 24 apr by cableship intrepid in 20-22.45S 040-11.23WWestern South Atlantic · Brazil-southeast Coast
- HYDROLANT 340/212021-02-05 → 2021-02-22Survey operations in progress until 21 feb by M/V bgp pioneer and M/V aquarius towing seven mile long…Eastern South Atlantic
- HYDROLANT 333/212021-02-04 → 2021-02-05Survey operations in progress until 21 feb by M/V bgp pioneer and M/V aquarius towing seven mile long…Eastern South Atlantic
- HYDROLANT 228/212021-01-25 → 2021-02-04Survey operations in progress until 16 feb by M/V bgp pioneer and M/V aquarius towing six mile long seismic…Eastern South Atlantic
- HYDROLANT 4009/202020-12-30 → 2021-01-15Cable operations in progress until 130259Z feb 21 by cableship ile de brehat and cableship peter faber along…Western South Atlantic · Brazil-north Coast
- HYDROLANT 3729/202020-11-29 → 2020-12-30Cable operations 300300Z nov to 130259Z feb 21 by cableship ile de brehat along trackline joining 03-44.36S…Western South Atlantic · Brazil-north Coast
- HYDROLANT 3674/202020-11-26 → 2020-12-30Cable operations in progress until 241100Z feb 21 by cableship peter faber and cableship recorder in: a.…Western South Atlantic · Brazil-south Coast
- HYDROLANT 2967/202020-09-30 → 2020-11-25Cable operations in progress until 251100Z nov by cableship peter faber and cableship recorder in: a.…Western South Atlantic · Brazil-south Coast
- HYDROLANT 2894/202020-09-23 → 2020-09-28Cable operations in progress until further notice by cableship ile de sein along trackline joining 36-35.59S…Western South Atlantic
- HYDROLANT 2848/202020-09-18 → 2020-09-23Cable operations in progress until further notice by cableship ile de sein along trackline joining 36-35.59S…Western South Atlantic
- HYDROLANT 2709/202020-09-02 → 2020-09-12Cable operations in progress until further notice by cableship ile de sein along trackline joining 35-54.40S…Western South Atlantic · Uruguay
- HYDROLANT 2600/202020-08-23 → 2020-09-02Cable operations in progress until further notice by cableship ile de sein along trackline joining 36-19.61S…Western South Atlantic · Uruguay
- HYDROLANT 2528/202020-08-14 → 2020-09-22Underwater operations 15 aug thru 21 sep by cableship peter faber and cableship recorder in: a. 35-38.11S…Western South Atlantic · Brazil-south Coast
- HYDROLANT 2432/202020-08-05 → 2020-08-14Underwater operations in progress until 20 sep by cableship peter faber and cableship recorder in: a.…Western South Atlantic · Brazil-south Coast
- HYDROLANT 1351/202020-04-16 → 2020-04-196500 meter long seismic cable with float adrift in 15-43S 011-15EEastern South Atlantic · Angola
- HYDROLANT 1000/202020-03-16 → 2020-04-04Cable operations in progress until further notice by cableship leon thevenin in area bound by 05-20S…Eastern South Atlantic
- HYDROLANT 998/202020-03-16 → 2020-03-16Cable operations in progress until further notice by cableship leon thevenin in area bound by 05-20S…Eastern South Atlantic
- HYDROLANT 237/202020-01-24 → 2020-02-19Cable operations 28 jan until further notice by cableship leon thevenin in area bound by 05-20S 008-00E,…Eastern South Atlantic · Angola
- HYDROLANT 3775/192019-12-09 → 2020-03-15Cable operations 120001Z dec until further notice by M/V polarcus adira towing 12 six mile long cables in…Eastern South Atlantic · Gulf of Guinea · Sao Tome and Principe
- HYDROLANT 2734/192019-09-07 → 2019-09-10Seismic deflector gear adrift in 23-08.50S 042-53.90W at 071300Z sepWestern South Atlantic · Brazil- South Coast
- HYDROLANT 2729/192019-09-06 → 2019-09-16Cable operations in progress until further notice by cableship leon thevenin in vicinity of 22-40.1S 014-30.2EEastern South Atlantic · Namibia
- HYDROLANT 2687/192019-09-03 → 2019-09-06Cable operations in progress until further notice by cableship leon thevenin in vicinity of 22-40.1S 014-30.2EEastern South Atlantic · Namibia
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.