Exercises

Hazardous operations 231600Z to 232100Z aug in area within ten miles of 05-16.00S 034-48.00W

Western South Atlantic · Brazil-northeast Coast · HYDROLANT 2527/17

issued
2017-08-18 01:14Z
status
cancelled 2017-08-23 22:00Z (archive)
self-cancels
2017-08-23 22:00Z
authority
NAVAREA V COASTAL E 654/17 180037Z AUG 17.
sea
South Atlantic Ocean
position
-5.267, -34.800 · r 10.0 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 231600Z TO 232100Z AUG
   IN AREA WITHIN TEN MILES OF 05-16.00S 034-48.00W.
2. CANCEL THIS MSG 232200Z AUG 17.

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2017-08-23 16:00Z2017-08-23 21:00Z5 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

374 within 180 nm since 1999 · 1 in the last 12 months · 1 in force now

99
00
05
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25
26

Season · when military exercises happen here

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A
M
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J
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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.