Exercises

Hazardous operations 0830Z to 2030Z daily 18 thru 27 sep: a. in area bound by 05-42.53S 034-45.02W,…

Western South Atlantic · Brazil-northeast Coast · HYDROLANT 2872/17

issued
2017-09-15 17:13Z
status
cancelled 2017-09-15 18:28Z (archive)
self-cancels
2017-09-27 21:30Z
cancels
HYDROLANT 2856/17
authority
NAVAREA V COASTAL E 749/17 151647Z SEP 17.
sea
South Atlantic Ocean
position
-5.909, -34.968
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN SOUTH ATLANTIC.
BRAZIL-NORTHEAST COAST.
DNC 01.
1. HAZARDOUS OPERATIONS 0830Z TO 2030Z DAILY
   18 THRU 27 SEP:
   A. IN AREA BOUND BY
      05-42.53S 034-45.02W, 06-09.83S 034-46.82W,
      06-03.93S 034-57.22W, 05-47.03S 034-56.32W.
   B. WITHIN 20 MILES OF 05-54.53S 034-14.92W.
   C. WITHIN 32 MILES OF 05-54.53S 035-14.92W.
2. CANCEL HYDROLANT 2856/17.
3. CANCEL THIS MSG 272130Z SEP 17.

Activity windows · 10 in this warning

opens (UTC)closes (UTC)locallength
2017-09-18 08:30Z2017-09-18 20:30Z12 h
2017-09-19 08:30Z2017-09-19 20:30Z12 h
2017-09-20 08:30Z2017-09-20 20:30Z12 h
2017-09-21 08:30Z2017-09-21 20:30Z12 h
2017-09-22 08:30Z2017-09-22 20:30Z12 h
2017-09-23 08:30Z2017-09-23 20:30Z12 h
2017-09-24 08:30Z2017-09-24 20:30Z12 h
2017-09-25 08:30Z2017-09-25 20:30Z12 h
2 more

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
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25
26

Season · when military exercises happen here

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A
M
J
J
A
S
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month of issue, all years in the archive

Timeline

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.