Cable ops
Seismic survey in progress until 25 nov by M/V cgg harmattan towing six 6482 meter long cables in area bound…
HYDROLANT 3911/00
- issued
- 2000-11-23 06:40Z
- status
- cancelled 2000-11-26 00:00Z (archive)
- authority
- NAVAREA V 2473/00 230403Z NOV 00
- sea
- South Atlantic Ocean
- position
- -23.719, -40.883
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. SEISMIC SURVEY IN PROGRESS UNTIL 25 NOV BY M/V CGG HARMATTAN TOWING SIX 6482 METER LONG CABLES IN AREA BOUND BY 23-50S 041-12W, 23-37S 040-55W, 24-00S 041-00W, 23-30S 040-40W. FOUR MILE BERTH REQUESTED. 2. CANCEL THIS MSG 26 NOV.
This area · cable & pipeline work
2278 within 180 nm since 1998 · 0 in the last 12 months · 0 in force now
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23
- Cable operations in progress thru 03 jan 24 by M/V puerto real in area bound by 24-31.30S 042-12.30W,…2023-06-23
- Seismic survey in progress until 09 oct by M/V sw diamond towing nine 225 meter long cables in area bound by…2022-10-07
- Seismic deflector gear adrift in 23-08.50S 042-53.90W at 071300Z sep2019-09-07
- Underwater operations in progress until 132300Z jul by cableship ile de brehat in: a. 24-03.8S 046-29.2W2017-06-15
- Seismic survey 21 thru 28 jan by oceanic champion towing 12 8000 meter long cables in area bound by…2017-01-19
- Seismic survey 14 thru 21 jan by oceanic champion towing 12 8000 meter cables in area bound by 25-33.47S…2017-01-10
Season · when cable & pipeline work happen here
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month of issue, all years in the archive
Nearby now · within 120 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 · 54.4 nm
- Underwater operations in progress until 140001Z nov by M/V fugro vaquita in area bound by 22-03.00S…Surveys · 77 nm
- Underwater operations 1000Z to 2000Z daily until 02 nov 26 by M/V fugro vaquita in: a. 22-26.32S 040-25.47WSurveys · 80.7 nm
- Underwater operations in progress until 170259Z aug in 22-22.48S 040-25.05WSurveys · 84.7 nm
- Hazardous operations 0800Z to 2100Z daily 18 thru 20 aug in area within ten miles of 25-06.00S 041-13.00WExercises · 84.9 nm
- Survey operations in progress until 09 jul 27 by M/V bgp dragon towing 250 meter long cable in area bound by…Surveys · 98.8 nm
- RACON at cabo sao tome light 22-02.52S 041-03.17W off air until 28 sepNav aids · 101.1 nm
- Hazardous operations in progress until 060400Z jun 27 in area bound by 24-39.87S 042-29.30W, 24-39.78S…Exercises · 105 nm
- Underwater operations in progress until 312300Z aug by M/V fugro vaquita in area bound by 21-35.43S…Surveys · 105.6 nm
- Underwater operations 281000Z jul to 192100Z aug by M/V umi polaris in area bound by 21-53.65S 040-49.70W,…Surveys · 108.7 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 · 113 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.