Surveys
Survey operations 070700 to 141800Z dec by M/V avpq aspirante moura in area bound by 23-03.12S 041-54.65W,…
Western South Atlantic · Brazil · HYDROLANT 2824/23
- issued
- 2023-12-06 22:41Z
- status
- cancelled 2023-12-14 19:00Z (archive)
- self-cancels
- 2023-12-14 19:00Z
- authority
- NAVAREA V COASTAL 696/23 062131Z DEC 23.
- sea
- South Atlantic Ocean
- position
- -23.104, -42.034
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN SOUTH ATLANTIC. BRAZIL. DNC 01. 1. SURVEY OPERATIONS 070700 TO 141800Z DEC BY M/V AVPQ ASPIRANTE MOURA IN AREA BOUND BY 23-03.12S 041-54.65W, 23-03.63S 042-09.76W, 23-09.76S 042-09.17W, 23-08.47S 041-53.94W. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 141900Z DEC 23.
This area · survey operations
764 within 180 nm since 2000 · 8 in the last 12 months · 8 in force now
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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
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 · 55.1 nm
- RACON at cabo sao tome light 22-02.52S 041-03.17W off air until 28 sepNav aids · 83.8 nm
- Underwater operations in progress until 312300Z aug by M/V fugro vaquita in area bound by 21-35.43S…Surveys · 96.3 nm
- Hazardous operations in progress until 060400Z jun 27 in area bound by 24-39.87S 042-29.30W, 24-39.78S…Exercises · 96.3 nm
- Underwater operations 1000Z to 2000Z daily until 02 nov 26 by M/V fugro vaquita in: a. 22-26.32S 040-25.47WSurveys · 97.8 nm
- Underwater operations in progress until 170259Z aug in 22-22.48S 040-25.05WSurveys · 99.7 nm
- Underwater operations 281000Z jul to 192100Z aug by M/V umi polaris in area bound by 21-53.65S 040-49.70W,…Surveys · 100.6 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 · 101.9 nm
- Odas buoy temporarily established until 13 apr 27 in 21-34.20S 040-43.62WNav aids · 117.3 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.