Exercises

Hazardous operations 1200Z to 1745Z daily 03 dec thru 03 jan in areas: a. within 12 miles of coastline…

HYDROLANT 2558/99

issued
1999-11-28 06:20Z
status
cancelled 1999-12-03 17:25Z (archive)
self-cancels
2000-01-03 18:45Z
cancels
HYDROLANT 2527/99HYDROLANT 2549/99
authority
COMAR GUYANNE 021/99 261330Z NOV 99; NAVAREA XVI 229/99; NAVAREA V 1030/99
sea
North Atlantic Ocean
position
5.308, -52.825
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HAZARDOUS OPERATIONS 1200Z TO 1745Z DAILY
   03 DEC THRU 03 JAN IN AREAS:
   A. WITHIN 12 MILES OF COASTLINE BETWEEN
      05-28N 053-01W AND 05-09N 052-38W.
   B. BETWEEN 08-39N 07-37N AND 053-02W 052-40W.
   C. BETWEEN 11-40N 10-13N AND 053-29W 052-49W.
   D. BETWEEN 24-39N 21-23N AND 057-01W 053-19W.
2. CANCEL HYDROLANT 2527/99 AND 2549/99(22).
3. CANCEL THIS MSG 031845Z JAN 2000.

Activity windows · 32 in this warning

opens (UTC)closes (UTC)locallength
1999-12-03 12:00Z1999-12-03 17:45Z5 h 45
1999-12-04 12:00Z1999-12-04 17:45Z5 h 45
1999-12-05 12:00Z1999-12-05 17:45Z5 h 45
1999-12-06 12:00Z1999-12-06 17:45Z5 h 45
1999-12-07 12:00Z1999-12-07 17:45Z5 h 45
1999-12-08 12:00Z1999-12-08 17:45Z5 h 45
1999-12-09 12:00Z1999-12-09 17:45Z5 h 45
1999-12-10 12:00Z1999-12-10 17:45Z5 h 45
24 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

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

99
00
05
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24

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.