Cable ops

Seismic survey in progress until 270159Z dec by M/V cgg harmattan towing eight 6000 meter long cables in…

HYDROLANT 3265/01

issued: 2001-12-24 08:40Z
status: cancelled 2001-12-27 02:59Z (archive)
self-cancels: 2001-12-27 02:59Z
cancels: HYDROLANT 3206/01 HYDROLANT 3224/01 HYDROLANT 3257/01
authority: NAVAREA V 1891/01 240401Z DEC; WZ 2392/01 240732Z DEC; NAVAREA II 452/01 240640Z DEC; NAVAREA V 1889/01 240401Z DEC
sea: South Atlantic Ocean
position: -22.509, -40.268
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. SEISMIC SURVEY IN PROGRESS UNTIL 270159Z DEC
   BY M/V CGG HARMATTAN TOWING EIGHT 6000 METER
   LONG CABLES IN AREA BOUND BY 23-05.0S 040-15.0W,
   22-18.3S 039-45.0W, 22-00.0S 040-00.0W,
   22-30.0S 040-53.3W. FOUR MILE BERTH REQUESTED.
2. CANCEL HYDROLANT 3206/01(36,37) AND 3233/01(36),
   OPERATIONS SUSPENDED.
3. CANCEL HYDROLANT 3224/01 AND 3257/01.
4. CANCEL THIS MSG 270259Z DEC.

This area · cable & pipeline work

1783 within 180 nm since 1998 · 0 in the last 12 months · 0 in force now

Season · when cable & pipeline work happen here

month of issue, all years in the archive

Timeline

Underwater operations in progress until further notice by M/V neftegaz 31 vicinity of trackline between…cancels · 2001-12-18
Seismic survey in progress until 240159Z dec by M/V cgg harmattan towing eight 6000 meter long cables in…cancels · 2001-12-20
Vessel, three persons on board, missingcancels · 2001-12-23
Underwater operations in progress until further notice by M/V neftegaz 31 vicinity of trackline between…replaced · 2001-12-18
Seismic survey in progress until 240159Z dec by M/V cgg harmattan towing eight 6000 meter long cables in…replaced · 2001-12-20
Underwater cable operations in progress until further notice by cableship dock progress 20 along trackline…replaced · 2001-12-21
Vessel, three persons on board, missingreplaced · 2001-12-23

Nearby now · within 120 nm

Underwater operations 1000Z to 2000Z daily until 02 nov 26 by M/V fugro vaquita in: a. 22-26.32S 040-25.47WSurveys · 9.2 nm
Underwater operations in progress until 170259Z aug in 22-22.48S 040-25.05WSurveys · 11.5 nm
Survey operations in progress until 09 jul 27 by M/V bgp dragon towing 250 meter long cable in area bound by…Surveys · 19.5 nm
Underwater operations in progress until 140001Z nov by M/V fugro vaquita in area bound by 22-03.00S…Surveys · 36.1 nm
Underwater operations in progress until 312300Z aug by M/V fugro vaquita in area bound by 21-35.43S…Surveys · 44.8 nm
Underwater operations 281000Z jul to 192100Z aug by M/V umi polaris in area bound by 21-53.65S 040-49.70W,…Surveys · 45.1 nm
Survey operations 10 aug 26 thru 08 mar 27 by tug mce navegacao I in area bound by 22-48.38S 041-08.21W,…Surveys · 49.1 nm
Survey operations in progress until 312200Z aug in area bound by 21-36.17S 041-00.00W, 21-36.05S 040-37.59W,…Surveys · 50.4 nm
RACON at cabo sao tome light 22-02.52S 041-03.17W off air until 28 sepNav aids · 51.8 nm
Odas buoy temporarily established until 13 apr 27 in 21-34.20S 040-43.62WNav aids · 61.9 nm
Barra de itabapoana light 21-18.80S 040-57.90W unlit until 08 sep 26Nav aids · 81.6 nm

Worldwide now

40 cable & pipeline work in force · see all

Cable ops

Cable laying, pipeline and seismic operations. All current cable & pipeline work →

Not for navigation. This is a re-rendering of an official navigational warning for awareness; mariners must use official NAVAREA broadcasts and their national MSI service.