Exercises

Hazardous operations 291100Z to 291500Z nov in area within five miles of 05-45S 034-45W

Western South Atlantic · Brazil-northeast Coast · HYDROLANT 3789/17

issued
2017-11-24 08:54Z
status
cancelled 2017-11-29 16:00Z (archive)
self-cancels
2017-11-29 16:00Z
authority
NAVAREA V COASTAL E 943/17 240240Z NOV 17.
sea
South Atlantic Ocean
position
-5.750, -34.750 · r 5.0 nm
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN SOUTH ATLANTIC.
BRAZIL-NORTHEAST COAST.
DNC 01.
1. HAZARDOUS OPERATIONS 291100Z TO 291500Z NOV
   IN AREA WITHIN FIVE MILES OF 05-45S 034-45W.
2. CANCEL THIS MSG 291600Z NOV 17.

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2017-11-29 11:00Z2017-11-29 15:00Z4 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

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.