Exercises

Hazardous operations

Western South Atlantic · Brazil-south Coast · HYDROLANT 74/17

issued
2017-01-08 00:36Z
status
cancelled 2017-01-13 20:00Z (archive)
self-cancels
2017-01-13 20:00Z
authority
NAVAREA V COASTAL 20/17 080007Z JAN 17.
sea
South Atlantic Ocean
position
-25.388, -44.750
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN SOUTH ATLANTIC.
BRAZIL-SOUTH COAST.
HAZARDOUS OPERATIONS.
DNC 01.
1. HAZARDOUS OPERATIONS 131300Z TO 131900Z JAN
   IN AREA BOUND BY
   25-03S 044-42W, 25-21S 044-24W,
   25-44S 044-50W, 25-25S 045-05W.
2. CANCEL THIS MSG 132000Z JAN 17.

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2017-01-13 13:00Z2017-01-13 19:00Z6 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

670 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

36 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.