Exercises

Hazardous operations

Brazil-south Coast · HYDROLANT 815/11

issued
2011-05-13 06:33Z
status
cancelled 2011-05-18 16:00Z (archive)
self-cancels
2011-05-18 16:00Z
authority
NAVAREA V S 406/11 13 MAY 11.
sea
South Atlantic Ocean
position
-24.408, -43.675
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

BRAZIL-SOUTH COAST.
HAZARDOUS OPERATIONS.
1. HAZARDOUS OPERATIONS 181030Z TO 181500Z MAY
   IN AREA BOUND BY
   24-18S 043-54W, 24-37S 043-48W,
   24-31S 043-27W, 24-12S 043-33W.
2. CANCEL THIS MSG 181600Z MAY.

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2011-05-18 10:30Z2011-05-18 15:00Z4 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

751 within 180 nm since 1999 · 3 in the last 12 months · 2 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.