Exercises

Hazardous operations 232200Z to 240300Z and 252200Z to 260300Z mar in area bound by 46-54N 005-55W, 46-41N…

HYDROLANT 531/99

issued
1999-03-18 16:11Z
status
cancelled 1999-03-26 00:00Z (archive)
self-cancels
1999-03-26 04:00Z
sea
North Atlantic Ocean
position
46.625, -6.106
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HAZARDOUS OPERATIONS 232200Z TO 240300Z AND
   252200Z TO 260300Z MAR IN AREA BOUND BY
   46-54N 005-55W, 46-41N 005-41W,
   46-21N 006-17W, 46-34N 006-32W.
2. CANCEL THIS MSG 260400Z MAR.

Activity windows · 2 in this warning

opens (UTC)closes (UTC)locallength
1999-03-23 22:00Z1999-03-24 03:00Z5 h
1999-03-25 22:00Z1999-03-26 03:00Z5 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

501 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now

99
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24

Season · when military exercises happen here

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F
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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

Nothing else in force 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.