Exercises
Hazardous operations 2000Z to 0100Z commencing daily 26 feb thru 26 mar in areas bound by: a. within 12…
HYDROLANT 376/99
- issued
- 1999-02-22 07:50Z
- status
- cancelled 1999-03-01 00:00Z (archive)
- self-cancels
- 1999-03-27 02:00Z
- sea
- North Atlantic Ocean
- position
- 3.720, -33.451
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. HAZARDOUS OPERATIONS 2000Z TO 0100Z COMMENCING DAILY
26 FEB THRU 26 MAR IN AREAS BOUND BY:
A. WITHIN 12 MILES OF COAST BETWEEN
05-19N 052-47W AND 05-04N 052-30W.
B. 05-39N 049-46W, 05-31N 049-46W, 05-18N 051-43W, 05-26N 051-43W.
C. 05-20N 043-47W, 05-00N 043-47W, 05-03N 045-47W, 05-23N 045-46W.
D. 04-55N 040-39W, 04-39N 040-40W, 04-49N 043-25W, 05-06N 043-24W.
E. 02-29N 022-01W, 02-07N 022-04W, 02-51N 027-57W, 03-13N 027-55W.
2. CANCEL THIS MSG 270200Z MAR.Activity windows · 29 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 1999-02-26 20:00Z | 1999-02-27 01:00Z | — | 5 h |
| 1999-02-27 20:00Z | 1999-02-28 01:00Z | — | 5 h |
| 1999-02-28 20:00Z | 1999-03-01 01:00Z | — | 5 h |
| 1999-03-01 20:00Z | 1999-03-02 01:00Z | — | 5 h |
| 1999-03-02 20:00Z | 1999-03-03 01:00Z | — | 5 h |
| 1999-03-03 20:00Z | 1999-03-04 01:00Z | — | 5 h |
| 1999-03-04 20:00Z | 1999-03-05 01:00Z | — | 5 h |
| 1999-03-05 20:00Z | 1999-03-06 01:00Z | — | 5 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
42 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
99
00
05
10
14
- Hazardous operations2014-08-22
- Gunnery exercises 291200Z to 291400Z and 291700Z to 292000Z sep in area bound by 03-20N 031-20W, 03-00N…2008-09-24
- Hazardous operations 22 thru 31 aug within: a. 5.4 miles of 02-19.07S 044-22.10W2003-08-22
- Hazardous operations 16 aug thru 15 sep within: a. 5.4 miles of 02-19.07S 044-22.10W2003-08-11
- Hazardous operations 2000Z to 0900Z commencing daily 11 feb thru 12 mar in areas: a. within 12 miles of…2003-02-07
- Hazardous operations 2000Z to 0159Z commencing daily 17 dec thru 16 jan in areas: a. within 12 miles of…2002-12-12
Season · when military exercises happen here
J
F
M
A
M
J
J
A
S
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N
D
month of issue, all years in the archive
Timeline
- Cancel HYDROLANT 376/99(24,51)cancelled by · 1999-03-01
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.