Exercises

Hazardous operations

Brazil-south Coast · HYDROLANT 2010/12

issued
2012-08-31 00:46Z
status
cancelled 2012-09-28 21:00Z (archive)
self-cancels
2012-09-28 21:00Z
authority
NAVAREA V S 1182/12 30 AUG 12.
sea
South Atlantic Ocean
position
-24.382, -45.548
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

BRAZIL-SOUTH COAST.
HAZARDOUS OPERATIONS.
1. HAZARDOUS OPERATIONS 1100Z TO 2000Z DAILY
   03 SEP THRU 28 SEP IN AREA BOUND BY
   24-12.85S 046-08.31W, 24-15.03S 045-36.03W,
   23-52.03S 044-52.03W, 24-17.35S 044-40.00W,
   24-54.71S 046-23.71W.
2. CANCEL THIS MSG 282100Z SEP 12.

Activity windows · 26 in this warning

opens (UTC)closes (UTC)locallength
2012-09-03 11:00Z2012-09-03 20:00Z9 h
2012-09-04 11:00Z2012-09-04 20:00Z9 h
2012-09-05 11:00Z2012-09-05 20:00Z9 h
2012-09-06 11:00Z2012-09-06 20:00Z9 h
2012-09-07 11:00Z2012-09-07 20:00Z9 h
2012-09-08 11:00Z2012-09-08 20:00Z9 h
2012-09-09 11:00Z2012-09-09 20:00Z9 h
2012-09-10 11:00Z2012-09-10 20:00Z9 h
18 more

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

618 within 180 nm since 1999 · 2 in the last 12 months · 1 in force now

99
00
05
10
15
20
25
26

Season · when military exercises 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

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.