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 3248/132013-12-16 → 2013-12-19Seismic survey by M/V ramform vanguard towing 12 7000 meter long cables: a. 16 dec along trackline between…Western South Atlantic · Uruguay
- HYDROLANT 3244/132013-12-16 → 2014-03-21Seismic survey in progress until further notice by M/V ramform titan towing 12 8000 meter long cables in…Western South Atlantic
- HYDROLANT 3240/132013-12-16 → 2013-12-16Seismic survey by M/V ramform vanguard towing 12 7000 meter long cables: a. 16 dec along trackline between…Western South Atlantic · Uruguay
- HYDROLANT 3233/132013-12-14 → 2013-12-17Seismic survey 150200Z to 210159Z dec by M/V oceanic champion towing 12 five mile long cables in area bound…Brazil-southeast Coast
- HYDROLANT 3232/132013-12-14 → 2013-12-21Seismic survey 150200Z to 210159Z dec by M/V western neptune towing 12 five mile long cables in area bound…Brazil-southeast Coast
- HYDROLANT 3231/132013-12-14 → 2013-12-21Seismic survey 150200Z to 210159Z dec by M/V sanco swift towing 12 five mile long cables in area bound by…Brazil-southeast Coast
- HYDROLANT 3230/132013-12-14 → 2013-12-17Seismic survey by M/V western regent towing ten 8800 meter long cables: a. 14 and 15 dec along trackline…Western South Atlantic · Uruguay
- HYDROLANT 3229/132013-12-14 → 2013-12-16Seismic survey by M/V ramform vanguard towing 12 7000 meter long cables: a. 14 dec along trackline between…Western South Atlantic · Uruguay
- HYDROLANT 3224/132013-12-13 → 2013-12-16Seismic survey by M/V ramform vanguard towing 12 7000 meter long cables: a. 13 and 14 dec along trackline…Western South Atlantic · Uruguay
- HYDROLANT 3219/132013-12-13 → 2013-12-15Seismic survey by M/V western regent towing ten 8800 meter long cables: a. 13 dec along trackline between…Western South Atlantic · Uruguay
- HYDROLANT 3209/132013-12-12 → 2013-12-14Seismic survey in progress until 13 dec by M/V ramform vanguard towing 12 7000 meter long cables along…Western South Atlantic · Uruguay
- HYDROLANT 3192/132013-12-10 → 2013-12-13Seismic survey by M/V western regent towing ten 8800 meter long cables: a. 10 dec along trackline between…Western South Atlantic · Uruguay
- HYDROLANT 3179/132013-12-09 → 2013-12-12Seismic survey by M/V ramform vanguard towing 12 7000 meter long cables: a. 09 dec along trackline between…Western South Atlantic · Uruguay
- HYDROLANT 3171/132013-12-09 → 2013-12-11Seismic survey by M/V western regent towing ten 8800 meter long cables: a. 09 dec along trackline between…Western South Atlantic · Uruguay
- HYDROLANT 3164/132013-12-08 → 2013-12-10Seismic survey by M/V western regent towing ten 8800 meter long cables: a. 08 dec along trackline between…Western South Atlantic · Uruguay
- HYDROLANT 3155/132013-12-07 → 2013-12-14Seismic survey in progress until 140159Z dec by M/V oceanic endeavour towing 12 five mile long cables in…Brazil-southeast Coast
- HYDROLANT 3140/132013-12-05 → 2013-12-06Seismic survey in progress until 140159Z dec by M/V oceanic endeavour towing 12 five mile long cables in…Brazil-southeast Coast
- HYDROLANT 3139/132013-12-05 → 2013-12-14Seismic survey in progress until 140159Z dec by M/V western neptune towing 12 five mile long cables in area…Brazil-southeast Coast
- HYDROLANT 3128/132013-12-05 → 2013-12-06Seismic survey in progress until further notice by M/V western regent towing ten 8800 meter long cables…Western South Atlantic · Uruguay
- HYDROLANT 3121/132013-12-04 → 2013-12-16Seismic survey in progress until further notice by M/V ramform titan towing 12 8000 meter long cables in…Western South Atlantic
- HYDROLANT 3100/132013-12-03 → 2014-06-10Seismic survey in progress until further notice by M/V geo coral towing 12 9500 meter long cables in area…Eastern South Atlantic · Angola
- HYDROLANT 3098/132013-12-02 → 2013-12-05Seismic survey in progress until 070159Z dec by M/V oceanic endeavour towing 12 five mile long cables in…Brazil-southeast Coast
- HYDROLANT 3094/132013-12-02 → 2013-12-05Seismic survey by M/V western regent towing ten 8800 meter long cables: a. 02 dec along trackline between…Western South Atlantic · Uruguay
- HYDROLANT 3085/132013-12-01 → 2013-12-02Seismic survey in progress until further notice by M/V western regent towing ten 8800 meter long cables in…Western South Atlantic · Uruguay
- HYDROLANT 3074/132013-11-30 → 2013-12-01Seismic survey in progress until 30 nov by M/V western regent towing ten 8800 meter long cables along…Western South Atlantic · Uruguay
- HYDROLANT 3069/132013-11-30 → 2013-12-09Seismic survey in progress until further notice by M/V ramform vanguard towing 12 7000 meter long cables…Western South Atlantic · Uruguay
- HYDROLANT 3062/132013-11-30 → 2013-12-02Seismic survey 300200Z nov to 070159Z dec by M/V oceanic endeavor towing 12 five mile long cables in area…Brazil-southeast Coast
- HYDROLANT 3061/132013-11-30 → 2013-12-05Seismic survey 300200Z nov to 070159Z dec by M/V western neptune towing 12 five mile long cables in area…Brazil-southeast Coast
- HYDROLANT 3060/132013-11-29 → 2013-12-02Seismic survey by M/V western regent towing ten 8800 meter long cables: a. 29 and 30 nov along trackline…Western South Atlantic · Uruguay
- HYDROLANT 3052/132013-11-29 → 2013-11-30Seismic survey 29 nov by M/V ramform vanguard towing 12 7000 meter long cables along trackline between…Western South Atlantic · Uruguay
- HYDROLANT 3038/132013-11-29 → 2013-11-30Seismic survey 29 nov by M/V western regent towing ten 8800 meter long cables along tracklines between: a.…Western South Atlantic · Uruguay
- HYDROLANT 3036/132013-11-28 → 2014-01-21Seismic survey 010359Z dec to 202359Z jan 14 by M/V sigma in area bound by 21-11.93S 040-04.47W, 21-15.05S…Brazil-southeast Coast
- HYDROLANT 3020/132013-11-27 → 2013-11-29Seismic survey by M/V ramform vanguard towing 12 7000 meter long cables: a. 27 nov along trackline between…Western South Atlantic · Uruguay
- HYDROLANT 3014/132013-11-27 → 2013-11-29Seismic survey by M/V western regent towing ten 8800 meter long cables: a. 27 and 28 nov along trackline…Western South Atlantic · Uruguay
- HYDROLANT 3001/132013-11-26 → 2013-11-29Seismic survey by M/V ramform vanguard towing 12 7000 meter long cables: a. 26 nov along trackline between…Western South Atlantic · Uruguay
- HYDROLANT 2998/132013-11-25 → 2013-11-26Seismic survey by M/V ramform vanguard towing 12 7000 meter long cables: a. 25 nov along trackline between…Western South Atlantic · Uruguay
- HYDROLANT 2997/132013-11-25 → 2013-11-28Seismic survey by M/V western regent towing ten 8800 meter long cables: a. 25 nov along trackline between…Western South Atlantic · Uruguay
- HYDROLANT 2984/132013-11-24 → 2013-11-25Seismic survey by M/V ramform vanguard towing 12 7000 meter long cables: a. 24 nov along trackline between…Western South Atlantic · Uruguay
- HYDROLANT 2979/132013-11-23 → 2013-11-25Seismic survey by M/V western regent towing ten 8800 meter long cables: a. 23 nov along trackline between…Western South Atlantic · Uruguay
- HYDROLANT 2978/132013-11-23 → 2013-11-30Seismic survey in progress until 300159Z nov by M/V nps oceanic endeavour towing 12 five mile long cables in…Brazil-southeast Coast
- HYDROLANT 2977/132013-11-23 → 2013-11-30Seismic survey 230200Z to 300159Z nov by M/V nps western neptune towing 12 five mile long cables in area…Brazil-southeast Coast
- HYDROLANT 2971/132013-11-22 → 2013-11-25Seismic survey by M/V ramform vanguard towing 12 7000 meter long cables: a. 22 nov along trackline between…Western South Atlantic · Uruguay
- HYDROLANT 2970/132013-11-21 → 2013-12-04Seismic survey in progress until further notice by M/V ramform titan towing 12 8000 meter long cables in…Western South Atlantic
- HYDROLANT 2959/132013-11-21 → 2013-11-22Seismic survey by M/V ramform vanguard towing 12 7000 meter long cables: a. 21 nov along trackline between…Western South Atlantic · Uruguay
- HYDROLANT 2944/132013-11-20 → 2013-11-21Seismic survey by M/V ramform vanguard towing 12 7000 meter long cables: a. 19 and 20 nov along trackline…Western South Atlantic · Uruguay
- HYDROLANT 2943/132013-11-20 → 2013-11-23Seismic survey by M/V western regent towing ten 8800 meter long cables: a. 20 nov along trackline between…Western South Atlantic · Uruguay
- HYDROLANT 2927/132013-11-19 → 2013-11-21Seismic survey by M/V western regent towing ten 8800 meter long cables: a. 19 nov along trackline between…Western South Atlantic · Uruguay
- HYDROLANT 2918/132013-11-19 → 2013-11-21Seismic survey by M/V ramform vanguard towing 12 7000 meter long cables: a. 19 nov along trackline between…Western South Atlantic · Uruguay
- HYDROLANT 2906/132013-11-18 → 2013-11-19Seismic survey by M/V ramform vanguard towing 12 7000 meter long cables: a. 18 nov along trackline between…Western South Atlantic · Uruguay
- HYDROLANT 2905/132013-11-18 → 2013-11-19Seismic survey by M/V western regent towing ten 8800 meter long cables: a. 18 nov 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.