Exercises

Hazardous operations 161900Z to 171900Z feb in area within ten miles of 23-38S 042-27W

Western South Atlantic · Brazil-southeast Coast · HYDROLANT 486/20

issued
2020-02-11 07:47Z
status
cancelled 2020-02-17 20:00Z (archive)
self-cancels
2020-02-17 20:00Z
authority
NAVAREA V COASTAL S 108/20 110227Z FEB 20.
sea
South Atlantic Ocean
position
-23.633, -42.450 · r 10.0 nm
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN SOUTH ATLANTIC.
BRAZIL-SOUTHEAST COAST.
DNC 01.
1. HAZARDOUS OPERATIONS 161900Z TO 171900Z FEB
   IN AREA WITHIN TEN MILES OF 23-38S 042-27W.
2. CANCEL THIS MSG 172000Z FEB 20.

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2020-02-16 19:00Z2020-02-17 19:00Z24 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

659 within 180 nm since 1999 · 2 in the last 12 months · 2 in force now

99
00
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26

Season · when military exercises happen here

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M
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J
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month of issue, all years in the archive

Timeline

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.