Surveys
Underwater operations in progress until further notice by c/s it intrepid in 23-27.00S 041-44.00W
Western South Atlantic · Brazil · HYDROLANT 2718/23
- issued
- 2023-11-25 01:35Z
- status
- cancelled 2023-11-30 22:11Z (archive)
- authority
- IT INTREPID 0/23 250109Z NOV 23.
- sea
- South Atlantic Ocean
- position
- -23.450, -41.733
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN SOUTH ATLANTIC. BRAZIL. DNC 01. UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY C/S IT INTREPID IN 23-27.00S 041-44.00W. TWO MILE BERTH REQUESTED.
This area · survey operations
766 within 180 nm since 2000 · 8 in the last 12 months · 8 in force now
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- Survey operations 10 aug 26 thru 08 mar 27 by tug mce navegacao I in area bound by 22-48.38S 041-08.21W,…2026-08-09
- Survey operations in progress until 09 jul 27 by M/V bgp dragon towing 250 meter long cable in area bound by…2026-08-08
- Underwater operations in progress until 170259Z aug in 22-22.48S 040-25.05W2026-08-06
- Underwater operations 281000Z jul to 192100Z aug by M/V umi polaris in area bound by 21-53.65S 040-49.70W,…2026-07-27
- Underwater operations in progress until 140001Z nov by M/V fugro vaquita in area bound by 22-03.00S…2026-06-17
- Survey operations in progress until 312200Z aug in area bound by 21-36.17S 041-00.00W, 21-36.05S 040-37.59W,…2026-05-27
Season · when survey operations happen here
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month of issue, all years in the archive
Timeline
- Cancel HYDROLANT 2718/23 and this msg, operations completedcancelled by · 2023-11-30
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 · 51.7 nm
- Hazardous operations in progress until 060400Z jun 27 in area bound by 24-39.87S 042-29.30W, 24-39.78S…Exercises · 83.6 nm
- RACON at cabo sao tome light 22-02.52S 041-03.17W off air until 28 sepNav aids · 92.6 nm
- Underwater operations 1000Z to 2000Z daily until 02 nov 26 by M/V fugro vaquita in: a. 22-26.32S 040-25.47WSurveys · 94.5 nm
- Underwater operations in progress until 170259Z aug in 22-22.48S 040-25.05WSurveys · 97.3 nm
- Underwater operations in progress until 312300Z aug by M/V fugro vaquita in area bound by 21-35.43S…Surveys · 102.8 nm
- Hazardous operations 0800Z to 2100Z daily 18 thru 20 aug in area within ten miles of 25-06.00S 041-13.00WExercises · 103 nm
- Underwater operations 281000Z jul to 192100Z aug by M/V umi polaris in area bound by 21-53.65S 040-49.70W,…Surveys · 107 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 · 109.4 nm
- Underwater operations in progress until 140001Z nov by M/V fugro vaquita in area bound by 22-03.00S…Surveys · 111.8 nm
- Survey operations in progress until 09 jul 27 by M/V bgp dragon towing 250 meter long cable in area bound by…Surveys · 117.9 nm
Worldwide now
86 survey operations in force · see all
Surveys
Hydrographic and scientific survey vessels, often towing long arrays. All current survey operations →
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.