Exercises

Hazardous operations

Brazil-south Coast · HYDROLANT 81/11

issued
2011-01-13 23:38Z
status
cancelled 2011-01-19 21:00Z (archive)
self-cancels
2011-01-19 21:00Z
authority
NAVAREA V S 34/11 13 JAN 11.
sea
South Atlantic Ocean
position
-31.734, -50.353
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

BRAZIL-SOUTH COAST.
HAZARDOUS OPERATIONS.
1. HAZARDOUS OPERATIONS 191400Z TO 192000Z JAN
   IN AREA BOUND BY
   31-12.0S 050-27.0W, 31-33.5S 049-46.0W,
   32-16.0S 050-16.0W, 31-55.0S 050-56.0W.
2. CANCEL THIS MSG 192100Z JAN.

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2011-01-19 14:00Z2011-01-19 20:00Z6 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

153 within 180 nm since 2003 · 0 in the last 12 months · 0 in force now

03
05
10
15
20
23

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.