Exercises

Hazardous operations 221400Z to 221800Z in area within ten miles of 23-18.98S 043-08.82W

Western South Atlantic · Brazil-south Coast · HYDROLANT 1881/17

issued
2017-06-16 22:16Z
status
cancelled 2017-06-22 19:00Z (archive)
self-cancels
2017-06-22 19:00Z
authority
NAVAREA V COASTAL S 477/17 162124Z JUN 17.
sea
South Atlantic Ocean
position
-23.316, -43.147 · r 10.0 nm
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN SOUTH ATLANTIC.
BRAZIL-SOUTH COAST.
DNC 01.
1. HAZARDOUS OPERATIONS 221400Z TO 221800Z
   IN AREA WITHIN TEN MILES OF
   23-18.98S 043-08.82W.
2. CANCEL THIS MSG 221900Z JUN 17.

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2017-06-22 14:00Z2017-06-22 18:00Z4 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

643 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
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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.