Exercises

Hazardous operations

Brazil-northeast Coast · HYDROLANT 1590/11

issued
2011-09-30 00:44Z
status
cancelled 2011-10-08 21:30Z (archive)
self-cancels
2011-10-08 21:30Z
authority
NAVAREA V E 839/11 290030Z SEP 11.
sea
South Atlantic Ocean
position
-6.031, -34.566
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

BRAZIL-NORTHEAST COAST.
HAZARDOUS OPERATIONS.
1. HAZARDOUS OPERATIONS 1100Z TO 2030Z DAILY
   05 TO 08 OCT IN AREA BOUND BY
   05-47.15S 034-58.70W, 05-40.46S 034-36.29W,
   05-47.50S 034-12.70W, 06-15.63S 034-12.70W,
   06-25.68S 034-36.29W, 06-20.48S 034-48.50W.
2. CANCEL THIS MSG 082130Z OCT.

Activity windows · 4 in this warning

opens (UTC)closes (UTC)locallength
2011-10-05 11:00Z2011-10-05 20:30Z9 h 30
2011-10-06 11:00Z2011-10-06 20:30Z9 h 30
2011-10-07 11:00Z2011-10-07 20:30Z9 h 30
2011-10-08 11:00Z2011-10-08 20:30Z9 h 30

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

381 within 180 nm since 1999 · 1 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.