Surveys
Survey operations in progress until further notice by M/V nho cruzeiro do sul towing two 500 meter long…
Western South Atlantic · Brazil-south Coast · HYDROLANT 2464/21
- issued
- 2021-10-04 03:25Z
- status
- cancelled 2021-10-17 14:24Z (archive)
- authority
- NAVAREA V 447/21 040012Z OCT 21.
- position
- -24.150, -42.511
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN SOUTH ATLANTIC. BRAZIL-SOUTH COAST. DNC 01. SURVEY OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY M/V NHO CRUZEIRO DO SUL TOWING TWO 500 METER LONG CABLES IN AREA BOUND BY 24-21.4S 042-45.1W, 23-56.6S 042-45.1W, 23-56.6S 042-16.2W, 24-21.4S 042-16.2W. WIDE BERTH REQUESTED.
This area · survey operations
656 within 180 nm since 2000 · 8 in the last 12 months · 8 in force now
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05
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26
- 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
Nearby now · within 120 nm
- Hazardous operations in progress until 060400Z jun 27 in area bound by 24-39.87S 042-29.30W, 24-39.78S…Exercises · 30 nm
- Hazardous operations 0800Z to 2100Z daily 18 thru 20 aug in area within ten miles of 25-06.00S 041-13.00WExercises · 90.8 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 · 111.6 nm
- Ponta dos meros light 23-13.57S 044-20.83W unlit until 26 sepNav aids · 115.2 nm
Worldwide now
75 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.