Surveys
Survey operations in progress until 291000Z apr by M/V nho g sampaio and M/V nhib ten castelo in area bound…
Western South Atlantic · Brazil · HYDROLANT 832/23
- issued
- 2023-04-17 21:14Z
- status
- cancelled 2023-04-17 23:25Z (archive)
- self-cancels
- 2023-04-29 11:00Z
- authority
- NAVAREA V COASTAL 202/23 172107Z APR 23.
- position
- -1.796, -44.841
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN SOUTH ATLANTIC. BRAZIL. DNC 01. 1. SURVEY OPERATIONS IN PROGRESS UNTIL 291000Z APR BY M/V NHO G SAMPAIO AND M/V NHIB TEN CASTELO IN AREA BOUND BY 01-47.13S 046-54.63W, 01-47.13S 043-48.30W, 01-49.01S 043-48.30W, 01-49.01S 043-54.63W. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 291100Z APR 23.
This area · survey operations
24 within 180 nm since 2001 · 0 in the last 12 months · 0 in force now
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23
- Underwater operations in progress until 31 dec by M/V draga volzee in area bound by 02-25.00S 042-18.00W,…2023-07-01
- Survey operations 13 jun thru 03 jul by M/V marion dufresne along trackline joining 06-39.38N 052-04.99W,…2023-06-09
- Survey operations 13 jun thru 03 jul by M/V marion dufresne along trackline joining 06-39.38N 052-04.99W,…2023-06-09
- Survey operations in progress until 260300Z jan 24 by M/V c-warrior and M/V c-viking in area within ten…2023-05-25
- Survey operations in progress until 291000Z apr by M/V nho g sampaio and M/V nhib ten castelo in area bound…2023-04-17
- Survey operations in progress until 181500Z oct by M/V napoc iguatemi in area bound by 01-47.13S 043-48.30W,…2022-10-09
Season · when survey operations happen here
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month of issue, all years in the archive
Timeline
Nearby now · within 120 nm
Worldwide now
73 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.