Exercises

Hazardous operations 040800Z to 131800Z dec in area within ten miles of 23-34.28S 043-08.23W

Western South Atlantic · Brazil · HYDROLANT 2761/23

issued
2023-11-30 04:55Z
status
cancelled 2023-12-13 19:00Z (archive)
self-cancels
2023-12-13 19:00Z
authority
NAVAREA V COASTAL 673/23 300404Z NOV 23.
sea
South Atlantic Ocean
position
-23.571, -43.137 · r 10.0 nm
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN SOUTH ATLANTIC.
BRAZIL.
DNC 01.
1. HAZARDOUS OPERATIONS 040800Z TO 131800Z DEC
   IN AREA WITHIN TEN MILES OF 23-34.28S 043-08.23W.
2. CANCEL THIS MSG 131900Z DEC 23.

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2023-12-04 08:00Z2023-12-13 18:00Z226 h

Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.

This area · military exercises

649 within 180 nm since 1999 · 2 in the last 12 months · 2 in force now

99
00
05
10
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20
25
26

Season · when military exercises happen here

J
F
M
A
M
J
J
A
S
O
N
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month of issue, all years in the archive

Nearby now · within 120 nm

Worldwide now

35 military exercises in force · see all

Exercises

Gunnery, firing and naval exercise areas. All current military exercises

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.