Surveys

Underwater operations 0500Z to 2000Z daily 16 thru 25 apr by M/V double diamond and M/V novo estado in…

Western South Atlantic · Brazil · HYDROLANT 803/24

issued
2024-04-16 01:46Z
status
cancelled 2024-04-25 21:00Z (archive)
self-cancels
2024-04-25 21:00Z
authority
NAVAREA V COASTAL 230/24 160031Z APR 24.
position
-23.181, -43.991
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN SOUTH ATLANTIC.
BRAZIL.
DNC 01.
1. UNDERWATER OPERATIONS 0500Z TO 2000Z DAILY
   16 THRU 25 APR BY M/V DOUBLE DIAMOND AND
   M/V NOVO ESTADO IN 23-10.88S 043-59.47W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 252100Z APR 24.

This area · survey operations

443 within 180 nm since 2000 · 1 in the last 12 months · 1 in force now

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05
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15
20
25
26

Season · when survey operations happen here

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A
M
J
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month of issue, all years in the archive

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.