Surveys
Survey operations in progress until 152359Z may by M/V eco warrior in area bound by 24-04.34S 045-25.73W,…
Western South Atlantic · Brazil-south Coast · HYDROLANT 1025/21
- issued
- 2021-04-15 01:05Z
- status
- cancelled 2021-05-16 01:00Z (archive)
- self-cancels
- 2021-05-16 01:00Z
- authority
- NAVAREA V COASTAL S 265/21 150034Z APR 21.
- sea
- South Atlantic Ocean
- position
- -23.871, -45.037
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN SOUTH ATLANTIC. BRAZIL-SOUTH COAST. DNC 01. 1. SURVEY OPERATIONS IN PROGRESS UNTIL 152359Z MAY BY M/V ECO WARRIOR IN AREA BOUND BY 24-04.34S 045-25.73W, 23-40.15S 045-25.73W, 23-40.15S 044-38.70W, 24-04.34S 044-38.70W. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 160100Z MAY 21.
This area · survey operations
444 within 180 nm since 2000 · 3 in the last 12 months · 0 in force now
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26
- Underwater operations 1000Z to 2000Z daily until 25 aug by vessel nomar in 24-07.27S 046-09.30W2026-08-20
- Survey operations in progress until 24 aug by M/V sea 1 dorado in area bound by 24-53.20S 042-47.12W,…2026-08-19
- Underwater operations in progress until 280259Z aug by M/V siem pilot in 24-35.02S 042-15.37W2026-08-19
- Underwater operations in progress until 19 may in 23-04.0S 043-02.5W2024-04-21
- Survey operations 17 apr thru 08 may by M/V artemis odyssey in area bound by 25-04.49S 042-10.72W, 25-05.99S…2024-04-17
- Underwater operations 0500Z to 2000Z daily 16 thru 25 apr by M/V double diamond and M/V novo estado in…2024-04-16
Season · when survey operations happen here
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month of issue, all years in the archive
Nearby now · within 120 nm
- Odas buoy established in 24-06.36S 045-38.78WNav aids · 36.3 nm
- Ponta dos meros light 23-13.57S 044-20.83W unlit until 26 sepNav aids · 54.2 nm
- Laje da conceicao light 24-14.18S 046-41.46W unlit until 24 sepNav aids · 93.3 nm
Worldwide now
84 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.