Exercises

Hazardous operations

Brazil-south Coast · HYDROLANT 2053/10

issued
2010-10-29 01:41Z
status
cancelled 2010-11-17 21:00Z (archive)
self-cancels
2010-11-17 21:00Z
authority
NAVAREA V S 1413/10 290033Z NOV 10.
sea
South Atlantic Ocean
position
-24.151, -44.935
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 THRU 17 NOV IN AREA BOUND BY
   23-52.03S 044-52.03W, 24-17.35S 044-40.00W,
   24-24.91S 045-01.00W, 24-02.47S 045-12.00W.
2. CANCEL THIS MSG 172100Z NOV.

Activity windows · 15 in this warning

opens (UTC)closes (UTC)locallength
2010-11-03 11:00Z2010-11-03 20:00Z9 h
2010-11-04 11:00Z2010-11-04 20:00Z9 h
2010-11-05 11:00Z2010-11-05 20:00Z9 h
2010-11-06 11:00Z2010-11-06 20:00Z9 h
2010-11-07 11:00Z2010-11-07 20:00Z9 h
2010-11-08 11:00Z2010-11-08 20:00Z9 h
2010-11-09 11:00Z2010-11-09 20:00Z9 h
2010-11-10 11:00Z2010-11-10 20:00Z9 h
7 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

751 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.