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
- HYDROLANT 2287/192019-07-26 → 2019-08-08Cable operations in progress until further notice by M/V fugro gauss towing 3000M cable along trackline…Eastern South Atlantic · Namibia
- HYDROLANT 2978/182018-09-20 → 2018-09-28Cable operations 220001Z to 272359Z sep by cableship ile de sein in vicinity of trackline joining 00-18.3N…Eastern Atlantic · Gulf of Guinea · Sao Tome and Principe
- HYDROLANT 2564/182018-08-10 → 2018-09-20Underwater operations 1000Z to 2000Z daily 10 may thru 20 sep by cableship recorder and M/V saga badejo in…Western South Atlantic · Brazil-north Coast
- HYDROLANT 1551/182018-05-18 → 2018-05-25Survey operations 211200Z to 251200Z may by cableship leon thevnin in areas within one mile of: a. 09-34.4S…Eastern South Atlantic · Angola
- HYDROLANT 1457/182018-05-10 → 2018-08-09Underwater operations 1000Z to 2000Z daily 10 may thru 09 aug by cableship recorder and M/V saga badejo in…Western South Atlantic · Brazil-north Coast
- HYDROLANT 1247/182018-04-20 → 2018-04-26Underwater operations 1000Z to 2000Z daily 20 feb thru 06 may by cableship rene descartes along trackline…Western South Atlantic · Brazil-north Coast
- HYDROPAC 1384/182018-04-11 → 2018-04-14Cable operations by cableship responder: a. in progress until 22 apr in vicinity of trackline joining 19-46S…South Pacific
- HYDROLANT 998/182018-03-24 → 2018-04-20Underwater operations in progress 1000Z to 2000Z daily until 29 may by cableship rene descartes along…Western South Atlantic · Brazil-north Coast
- HYDROLANT 582/182018-02-17 → 2018-03-24Underwater operations in progress 1000Z to 2000Z daily until 29 may by cableship rene descartes along…Western South Atlantic · Brazil-north Coast
- HYDROLANT 337/182018-01-30 → 2018-04-16Underwater operations in progress until 29 may by cableship ile de brehat in vicinity of trackline joining…Western South Atlantic · Brazil-northeast Coast
- HYDROLANT 333/182018-01-30 → 2018-01-30Underwater operations in progress until 29 may by cableship ile de brehat in vicinity of trackline joining…Western South Atlantic · Brazil-northeast Coast
- HYDROLANT 323/182018-01-29 → 2018-01-30Underwater operations in progress until 29 may by cableship ile de brehat in vicinity of trackline joining…Western South Atlantic · Brazil-northeast Coast
- HYDROLANT 4216/172017-12-28 → 2018-02-07Cable operations in progress until 06 feb 18 by cableship descartes along trackline joining 09-43S 010-25E,…Eastern South Atlantic
- HYDROLANT 4215/172017-12-28 → 2017-12-28Cable operations in progress until 06 feb 18 by cableship descartes along trackline joining 09-43S 010-25E,…Eastern South Atlantic
- HYDROLANT 4107/172017-12-18 → 2017-12-27Cable operations in progress until 30 dec by cableship rene descartes with submersible in area within two…Eastern South Atlantic · Angola
- HYDROPAC 4400/172017-12-14 → 2017-12-27Cable operations 17 thru 22 dec by M/V ile de re in vicinity of trackline joining 15-26.0S 178-36.0W,…South Pacific · Fiji
- HYDROPAC 4276/172017-12-06 → 2017-12-14Cable operations 07 dec until further notice by M/V ile de re in area within 1.5 miles of trackline joining…South Pacific · Fiji
- HYDROPAC 4266/172017-12-06 → 2017-12-06Cable operations 07 dec until further notice by cableship ile de re in area within 1.5 miles of trackline…South Pacific · Fiji
- HYDROLANT 3566/172017-11-03 → 2017-12-18Cable operations 06 nov until further notice by cableship rene descartes with submersible along trackline…Eastern South Atlantic · Angola
- HYDROLANT 3484/172017-10-27 → 2017-11-20Cable operations in progress until further notice by cableship teliri towing 12000 meter long cable along…Eastern South Atlantic · Angola · Namibia
- HYDROLANT 2634/172017-08-28 → 2017-09-30Cable operations in progress until 302300Z sep by cableship ile de brehat in area bound by 34-58.0S…Western South Atlantic · Uruguay · Brazil-south Coast
- HYDROLANT 2633/172017-08-28 → 2017-09-10Seismic survey in progress until further notice by M/V ramform atlas towing 5000 meter long cable in area…Eastern South Atlantic · Angola
- HYDROLANT 2509/172017-08-16 → 2017-08-28Cable operations in progress until 302300Z sep by cableship ile de brehat in area bound by 34-58.0S…Western South Atlantic · Uruguay · Brazil South Coast
- HYDROLANT 2508/172017-08-16 → 2017-08-16Underwater operations in progress until 302359Z aug by cableship ile de brehat in: a. 36-03.5S 049-41.7W b.…Western South Atlantic · Brazil-south Coast
- HYDROLANT 2494/172017-08-14 → 2017-08-16Cable operations 150500Z aug to 302300Z sep by cableship ile de brehat in area bound by 34-58.0S 054-54.0W,…Western South Atlantic · Brazil-south Coast · Uruguay
- HYDROLANT 2403/172017-08-03 → 2017-08-16Underwater operations 040001Z to 152359Z aug by cableship ile de brehat in area bound by 28-14.00S…Western South Atlantic · Brazil-south Coast
- HYDROLANT 2175/172017-07-14 → 2017-08-01Underwater operations in progress until 142359Z aug by cableship ile de brehat in: a. 24-03.0S 046-31.4WWestern South Atlantic · Brazil-south Coast
- HYDROLANT 2012/172017-06-30 → 2017-08-28Seismic survey 01 jul until further notice by M/V ramform atlas towing 5000 meter long cable in area bound…Eastern South Atlantic · Angola
- HYDROLANT 1869/172017-06-15 → 2017-07-13Underwater operations in progress until 132300Z jul by cableship ile de brehat in: a. 24-03.8S 046-29.2WWestern South Atlantic · Brazil-south Coast
- HYDROLANT 1586/172017-05-20 → 2017-06-06Underwater operations in progress until 062222Z jun by cableship ile de brehat along trackline joining…Western South Atlantic · Brazil-northeast Coast
- HYDROLANT 855/172017-03-16 → 2017-07-17Pipeline operations in progress until further notice in area within eight miles of 07-27.65S 011-34.25EEastern South Atlantic
- HYDROLANT 247/172017-01-24 → 2017-01-26Seismic survey by M/V polarcus alima towing 12 8100 meter long cables along tracklines between: a. 24 jan…Western South Atlantic
- HYDROLANT 243/172017-01-23 → 2017-01-24Seismic survey by M/V polarcus alima towing 12 8100 meter long cables along tracklines between: a. 23 jan…Western South Atlantic
- HYDROLANT 203/172017-01-19 → 2017-01-29Seismic survey 21 thru 28 jan by M/V polarcus adira towing 9000 meter long cable in area bound by 25-06S…Western South Atlantic · Brazil-south Coast
- HYDROLANT 202/172017-01-19 → 2017-01-29Seismic survey 21 thru 28 jan by oceanic champion towing 12 8000 meter long cables in area bound by…Western South Atlantic · Brazil-southeast Coast
- HYDROLANT 183/172017-01-18 → 2017-01-19Seismic survey 19 thru 27 jan by M/V bgp challenger towing 10000 meter long cable in area bound by 04-09S…Western South Atlantic · Brazil-northeast Coast
- HYDROLANT 107/172017-01-10 → 2017-01-22Seismic survey 14 thru 21 jan by M/V polarcus adira towing 9000 meter long cable in area bound by 25-03S…Western South Atlantic · Brazil-south Coast
- HYDROLANT 105/172017-01-10 → 2017-01-22Seismic survey 14 thru 21 jan by oceanic champion towing 12 8000 meter cables in area bound by 25-33.47S…Western South Atlantic · Brazil-southeast Coast
- HYDROLANT 63/172017-01-07 → 2017-01-10Seismic survey in progress until 14 jan by oceanic champion towing 12 8000 meter cables in area bound by…Western South Atlantic · Brazil-southeast Coast
- HYDROLANT 62/172017-01-07 → 2017-01-10Seismic survey in progress until 14 jan by M/V bgp challenger towing 12000 meter cable in area bound by…Western South Atlantic · Brazil-south Coast
- HYDROLANT 61/172017-01-07 → 2017-01-10Seismic survey in progress until 14 jan by M/V polarcus adira towing 9000 meter cable in area bound by…Western South Atlantic · Brazil-south Coast
- HYDROLANT 25/172017-01-03 → 2017-03-30Seismic survey in progress until further notice in area bound by 02-30.19S 008-49.10E, 02-14.29S 009-13.49E,…Eastern South Atlantic · Gabon
- HYDROLANT 3534/162016-12-30 → 2017-01-01Seismic survey 24 thru 31 dec by M/V polarcus adira towing 9000 meter long cable in area bound by 25-30S…Western South Atlantic · Brazil-south Coast
- HYDROLANT 3533/162016-12-30 → 2017-01-08Seismic survey 31 dec thru 07 jan 17 by M/V oceanic champion towing 12 7408 meter long cables in area bound…Western South Atlantic · Brazil-southeast Coast
- HYDROLANT 3532/162016-12-30 → 2017-01-08Seismic survey in progress until 07 jan by M/V bgp challenger towing 12000 meter long cable in area bound by…Western South Atlantic · Brazil-south Coast
- HYDROLANT 3471/162016-12-22 → 2017-01-01Seismic survey 24 thru 31 dec by M/V bgp challenger towing 12000 meter long cable in area bound by 27-09.77S…Western South Atlantic · Brazil-south Coast
- HYDROLANT 3470/162016-12-22 → 2017-01-01Seismic survey 24 thru 31 dec by M/V polarcus adira towing 9000 meter long cable in area bound by 24-55.5S…Western South Atlantic · Brazil-south Coast
- HYDROLANT 3387/162016-12-16 → 2016-12-25Seismic survey 17 thru 24 dec by M/V bgp challenger towing 12000 meter long cable in area bound by 27-06.63S…Western South Atlantic · Brazil-south Coast
- HYDROLANT 3386/162016-12-16 → 2016-12-25Seismic survey 17 thru 24 dec by M/V polarcus adira towing 9000 meter long cable in area bound by 24-55.5S…Western South Atlantic · Brazil-south Coast
- HYDROLANT 3336/162016-12-10 → 2016-12-18Seismic survey in progress until 17 dec by M/V bgp challenger towing 12000 meter long cable in area bound by…Western South Atlantic · Brazil-south 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.