Exercises
Hazardous operations 1630Z to 0030Z commencing daily 10 dec thru 10 jan 09 in areas: a. between 05-19N…
NAVAREA IV 496/08
- issued
- 2008-12-05 07:00Z
- status
- cancelled 2008-12-21 04:24Z (archive)
- self-cancels
- 2009-01-11 01:30Z
- authority
- NAVAREA V N 940/08 050039Z DEC 08.
- sea
- North Atlantic Ocean
- position
- 4.978, -43.591
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. HAZARDOUS OPERATIONS 1630Z TO 0030Z COMMENCING
DAILY 10 DEC THRU 10 JAN 09 IN AREAS:
A. BETWEEN 05-19N 05-04N AND 052-47W 052-30W.
B. BOUND BY
05-22N 047-41W, 04-51N 047-42W,
04-53N 048-42W, 05-23N 048-41W.
C. BOUND BY
05-06N 046-00W, 04-50N 046-00W,
04-55N 047-43W, 05-11N 047-42W.
D. BOUND BY
05-35N 043-45W, 04-23N 043-45W,
04-19N 041-05W, 05-31N 041-03W.
2. CANCEL THIS MSG 110130Z JAN 09.
Activity windows · 32 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2008-12-10 16:30Z | 2008-12-11 00:30Z | — | 8 h |
| 2008-12-11 16:30Z | 2008-12-12 00:30Z | — | 8 h |
| 2008-12-12 16:30Z | 2008-12-13 00:30Z | — | 8 h |
| 2008-12-13 16:30Z | 2008-12-14 00:30Z | — | 8 h |
| 2008-12-14 16:30Z | 2008-12-15 00:30Z | — | 8 h |
| 2008-12-15 16:30Z | 2008-12-16 00:30Z | — | 8 h |
| 2008-12-16 16:30Z | 2008-12-17 00:30Z | — | 8 h |
| 2008-12-17 16:30Z | 2008-12-18 00:30Z | — | 8 h |
| … 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
46 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
99
00
05
10
15
17
- Hazardous operations2017-01-22
- Hazardous operations2016-03-04
- Hazardous operations2015-07-10
- Hazardous operations2015-02-06
- Hazardous operations 1500Z to 2325Z daily 29 oct thru 29 nov in areas: a. within 12 miles of trackline…2009-10-24
- Hazardous operations 1500Z to 2325Z daily 29 oct thru 29 nov in areas: a. within 12 miles of trackline…2009-10-24
Season · when military exercises happen here
J
F
M
A
M
J
J
A
S
O
N
D
month of issue, all years in the archive
Timeline
- Cancel NAVAREA IV 496/08 and this msg, operations completedcancelled by · 2008-12-21
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.