Exercises

Hazardous operations 051700Z to 052100Z and 061100Z to 062100Z mar in area bound by 23-30.0S 043-50.0W,…

HYDROLANT 412/09

issued
2009-02-28 02:13Z
status
cancelled 2009-03-03 19:17Z (archive)
self-cancels
2009-03-06 22:00Z
cancels
HYDROLANT 49/09
authority
NAVAREA V S 437/09 280051Z FEB 09.
sea
South Atlantic Ocean
position
-24.078, -44.284
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HAZARDOUS OPERATIONS 051700Z TO 052100Z AND
   061100Z TO 062100Z MAR IN AREA BOUND BY
   23-30.0S 043-50.0W, 23-36.0S 043-45.0W,
   24-08.2S 044-35.5W, 24-31.0S 044-26.2W.
2. CANCEL HYDROLANT 49/09, AID RESTORED.
3. CANCEL THIS MSG 062200Z MAR.

Activity windows · 2 in this warning

opens (UTC)closes (UTC)locallength
2009-03-05 17:00Z2009-03-05 21:00Z4 h
2009-03-06 11:00Z2009-03-06 21:00Z10 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

768 within 180 nm since 1999 · 3 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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A
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

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.