Exercises

Gunnery exercises 0800Z to 1800Z daily 02 thru 30 apr within 20 miles between 270 degrees and 360 degrees…

HYDROLANT 540/08

issued
2008-03-31 17:02Z
status
cancelled 2008-04-30 19:00Z (archive)
self-cancels
2008-04-30 19:00Z
cancels
HYDROLANT 512/08
authority
NAVAREA II 105/08 311640Z MAR 08.
sea
North Atlantic Ocean
position
29.903, -10.643
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. GUNNERY EXERCISES 0800Z TO 1800Z DAILY 02 THRU 30 APR
   WITHIN 20 MILES BETWEEN 270 DEGREES AND 360 DEGREES OF:
   A. 33-41N 008-03W.
   B. 29-53N 010-15W.
   C. 27-00N 013-50W.
   D. 23-35N 017-00W.
   E. 35-22N 004-05W.
2. CANCEL HYDROLANT 512/08(37), OPERATIONS COMPLETED.
3. CANCEL THIS MSG 301900Z APR.

Activity windows · 29 in this warning

opens (UTC)closes (UTC)locallength
2008-04-02 08:00Z2008-04-02 18:00Z10 h
2008-04-03 08:00Z2008-04-03 18:00Z10 h
2008-04-04 08:00Z2008-04-04 18:00Z10 h
2008-04-05 08:00Z2008-04-05 18:00Z10 h
2008-04-06 08:00Z2008-04-06 18:00Z10 h
2008-04-07 08:00Z2008-04-07 18:00Z10 h
2008-04-08 08:00Z2008-04-08 18:00Z10 h
2008-04-09 08:00Z2008-04-09 18:00Z10 h
21 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

84 within 180 nm since 2001 · 0 in the last 12 months · 0 in force now

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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

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.