Surveys
Underwater operations 1100Z to 0300Z commencing daily until 06 aug by M/V toisa sentinel vicinity 19-33.17S…
Brazil-east Coast · HYDROLANT 1409/10
- issued
- 2010-07-23 14:04Z
- status
- cancelled 2010-07-29 00:58Z (archive)
- self-cancels
- 2010-08-07 04:00Z
- cancels
- HYDROLANT 1391/10
- authority
- NAVAREA V E 1063/10 220023Z JUL 10.
- sea
- South Atlantic Ocean
- position
- -19.553, -39.520
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
BRAZIL-EAST COAST. 1. UNDERWATER OPERATIONS 1100Z TO 0300Z COMMENCING DAILY UNTIL 06 AUG BY M/V TOISA SENTINEL VICINITY 19-33.17S 039-31.17W. WIDE BERTH REQUESTED. 2. CANCEL HYDROLANT 1391/10. 3. CANCEL THIS MSG 070400Z AUG.
This area · survey operations
509 within 180 nm since 2000 · 21 in the last 12 months · 12 in force now
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- Underwater operations 0800Z to 1800Z daily 21 aug thru 04 sep by M/V capetan vassilis II and M/V comando b…2026-08-20
- Underwater operations 1100Z to 2100Z daily 20 aug thru 03 sep by M/V charlie and M/V comando b in 20-24.27S…2026-08-19
- Underwater operations 1100Z to 2100Z daily 20 aug thru 03 sep by M/V comando b and M/V linden trader in…2026-08-19
- Underwater operations 1100Z to 2100Z daily 20 aug thru 03 sep by M/V hui an and M/V comando b in 20-23.17S…2026-08-19
- Underwater operations 0800Z to 1800Z daily until 28 aug by M/V spar aries and M/V comando b in 20-48.85S…2026-08-18
- Underwater operations 0800Z to 1800Z daily until 29 aug by M/V comando b and M/V am kirti in 20-19.03S…2026-08-18
Season · when survey operations happen here
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month of issue, all years in the archive
Timeline
- Underwater operations in progress until 06 aug by M/V toisa sentinel vicinity 19-33.17S 039-31.17Wcancels · 2010-07-21
- Underwater operations in progress until 06 aug by M/V toisa sentinel vicinity 19-33.17S 039-31.17Wreplaced · 2010-07-21
- Underwater operations 29 jul thru 15 aug by M/V acergy harrier in vicinity 19-33.18S 039-31.03Wcancelled by · 2010-07-29
Nearby now · within 120 nm
- Foul ground until 06 dec 27 in area bound by 19-53.87S 039-59.68W, 19-54.15S 039-59.27W, 19-53.08S…Wrecks · 33.2 nm
- Underwater operations 0800Z to 1800Z daily 02 thru 16 aug by M/V comando b and M/V royal topaz in 20-21.62S…Surveys · 59.6 nm
- Underwater operations in progress until 27 aug by M/V navios felix and M/V comando b in 20-22.12S 040-08.38WSurveys · 60.2 nm
- Underwater operations 0800Z to 1800Z daily 11 thru 25 aug by M/V comando b and M/V faneromeni in 20-23.00S…Surveys · 61.3 nm
- Underwater operations 0800Z to 1800Z daily 08 thru 22 aug by M/V marsanne and M/V comando b in 20-23.57S…Surveys · 61.6 nm
- Underwater operations 1100Z to 2100Z daily 12 thru 21 aug by M/V comando b and M/V faneromeni in 20-23.67S…Surveys · 62 nm
- Underwater operations 1100Z to 2100Z daily 13 thru 22 aug by M/V comando b and M/V am kirti in 20-23.90S…Surveys · 62.4 nm
- Underwater operations 1100Z to 2100Z daily 15 thru 29 aug by M/V comando b and M/V rosco banyan in 20-23.37S…Surveys · 62.5 nm
- Yellow odas buoy established in 17-58.12S 038-41.48W until 19 octNav aids · 106.1 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.