Surveys
Underwater operations in progress daily 1100Z to 2000Z thru 30 nov by M/V rei alberto and M/V sereno in: a.…
Western South Atlantic · Brazil · HYDROLANT 2654/23
- issued
- 2023-11-18 10:17Z
- status
- cancelled 2023-11-30 21:00Z (archive)
- self-cancels
- 2023-11-30 21:00Z
- cancels
- HYDROLANT 2651/23
- authority
- NAVAREA V COASTAL 638/23 181005Z NOV 23.
- sea
- South Atlantic Ocean
- position
- -24.165, -46.282
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN SOUTH ATLANTIC. BRAZIL. DNC 01. 1. UNDERWATER OPERATIONS IN PROGRESS DAILY 1100Z TO 2000Z THRU 30 NOV BY M/V REI ALBERTO AND M/V SERENO IN: A. 24-09.29S 046-15.88W. B. 24-10.66S 046-22.04W. C. 24-06.49S 046-16.38W. D. 24-11.77S 046-12.21W. E. 24-11.64S 046-12.03W. F. 24-06.77S 046-14.34W. G. 24-06.86S 046-11.98W. H. 24-06.34S 046-14.28W. I. 24-09.54S 046-21.88W. J. 24-19.52S 046-28.11W. WIDE BERTH REQUESTED. 2. CANCEL HYDROLANT 2651/23. 3. CANCEL THIS MSG 302100Z NOV 23.
This area · survey operations
197 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
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- Underwater operations 0500Z to 2000Z daily 16 thru 25 apr by M/V double diamond and M/V novo estado in…2024-04-16
- Underwater operations 1100Z to 2000Z daily 06 apr thru 05 may in 24-07.11S 046-08.76W2024-04-06
- Underwater operations 1100Z to 2000Z daily 28 feb thru 26 mar by M/V big john VI, M/V rodrigo neto I and M/V…2024-02-28
- Underwater operations in progress until 072000Z mar in 24-09.24S 046-12.68W2024-02-08
- Underwater operations 071100Z feb to 062000Z mar in 24-10.04S 046-14.53W2024-02-07
- Underwater operations 1100Z to 2000Z daily 25 jan thru 01 feb in 24-10.04S 046-14.53W2024-01-24
Season · when survey operations happen here
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month of issue, all years in the archive
Timeline
Nearby now · within 120 nm
- Laje da conceicao light 24-14.18S 046-41.46W unlit until 24 sepNav aids · 22.8 nm
- Odas buoy established in 24-06.36S 045-38.78WNav aids · 35 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.