Exercises

Hazardous operations 1100Z to 1500Z daily 24 thru 26 oct in area within eight miles of 05-35S 034-57W

Western South Atlantic · Brazil-northeast Coast · HYDROLANT 3351/17

issued
2017-10-19 01:21Z
status
cancelled 2017-10-26 16:00Z (archive)
self-cancels
2017-10-26 16:00Z
authority
NAVAREA V COASTAL E 857/17 190006Z OCT 17.
sea
South Atlantic Ocean
position
-5.583, -34.950 · r 8.0 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 1100Z TO 1500Z DAILY
   24 THRU 26 OCT IN AREA WITHIN EIGHT MILES
   OF 05-35S 034-57W.
2. CANCEL THIS MSG 261600Z OCT 17.

Activity windows · 3 in this warning

opens (UTC)closes (UTC)locallength
2017-10-24 11:00Z2017-10-24 15:00Z4 h
2017-10-25 11:00Z2017-10-25 15:00Z4 h
2017-10-26 11:00Z2017-10-26 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

379 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

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F
M
A
M
J
J
A
S
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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.