Surveys
Seimic survey in progress until 130300Z apr by M/V nps wg cook towing 12 five mile long cables in area bound…
Brazil-southeast Coast · HYDROLANT 759/12
- issued
- 2012-04-06 00:23Z
- status
- cancelled 2012-04-13 04:00Z (archive)
- self-cancels
- 2012-04-13 04:00Z
- cancels
- HYDROLANT 721/12
- authority
- NAVAREA V 123/12 01 APR 12.
- sea
- South Atlantic Ocean
- position
- -25.875, -42.992
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
BRAZIL-SOUTHEAST COAST. 1. SEIMIC SURVEY IN PROGRESS UNTIL 130300Z APR BY M/V NPS WG COOK TOWING 12 FIVE MILE LONG CABLES IN AREA BOUND BY 25-42S 044-02W, 25-06S 043-37W, 26-03S 041-57W, 26-39S 042-22W. SIX MILE BERTH REQUESTED. 2. CANCEL HYDROLANT 721/12. 3. CANCEL THIS MSG 130400Z APR.
This area · survey operations
527 within 180 nm since 2000 · 2 in the last 12 months · 0 in force now
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- 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
- Survey operations in progress until 11 mar by M/V artemis odyssey in area bound by 25-04.49S 042-10.72W,…2024-03-02
Season · when survey operations happen here
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month of issue, all years in the archive
Timeline
- Seismic survey in progress until 070259Z apr by M/V nps wg cook towing 12 five mile long cables in area…cancels · 2012-04-01
- Seismic survey in progress until 070259Z apr by M/V nps wg cook towing 12 five mile long cables in area…replaced · 2012-04-01
- Seimic survey in progress until 210259Z apr by M/V nps wg cook towing 12 five mile long cables in area bound…cancelled by · 2012-04-13
Nearby now · within 120 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.