Surveys

Underwater operations 1100Z to 2000Z daily 25 jan thru 01 feb in 24-10.04S 046-14.53W

Western South Atlantic · Brazil · HYDROLANT 181/24

issued
2024-01-24 04:49Z
status
cancelled 2024-02-01 21:00Z (archive)
self-cancels
2024-02-01 21:00Z
authority
NAVAREA V COASTAL 35/24 240411Z JAN 24.
position
-24.167, -46.242
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN SOUTH ATLANTIC.
BRAZIL.
DNC 01.
1. UNDERWATER OPERATIONS 1100Z TO 2000Z
   DAILY 25 JAN THRU 01 FEB IN
   24-10.04S 046-14.53W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 012100Z FEB 24.

This area · survey operations

196 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now

99
00
05
10
15
20
24

Season · when survey operations happen here

J
F
M
A
M
J
J
A
S
O
N
D

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.