Exercises
Hazardous operations 0415Z to 0827Z daily 24 thru 28 sep in areas bound by: a. 34-37N 120-47W, 34-39N…
NAVAREA XII 386/08
- issued
- 2008-09-19 11:10Z
- status
- cancelled 2008-09-28 09:27Z (archive)
- self-cancels
- 2008-09-28 09:27Z
- authority
- WESTERN RANGE OP W6553 121537Z SEP 08.
- sea
- North Pacific Ocean
- position
- 5.722, -132.006
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. HAZARDOUS OPERATIONS 0415Z TO 0827Z DAILY
24 THRU 28 SEP IN AREAS BOUND BY:
A. 34-37N 120-47W, 34-39N 120-47W,
34-53N 120-39W, 34-52N 120-38W.
B. 30-55N 123-12W, 33-35N 121-41W,
33-25N 121-16W, 30-45N 122-47W.
C. 23-33N 125-32W, 24-23N 125-14W,
24-21N 125-06W, 23-31N 125-25W.
D. 04-46S 137-20W, 16-07N 130-15W,
15-04N 127-03W, 05-49S 134-14W.
2. CANCEL THIS MSG 280927Z SEP.
Activity windows · 5 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2008-09-24 04:15Z | 2008-09-24 08:27Z | — | 4 h 12 |
| 2008-09-25 04:15Z | 2008-09-25 08:27Z | — | 4 h 12 |
| 2008-09-26 04:15Z | 2008-09-26 08:27Z | — | 4 h 12 |
| 2008-09-27 04:15Z | 2008-09-27 08:27Z | — | 4 h 12 |
| 2008-09-28 04:15Z | 2008-09-28 08:27Z | — | 4 h 12 |
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
4 within 180 nm since 2007 · 0 in the last 12 months · 0 in force now
07
08
- Hazardous operations 0415Z to 0827Z daily 24 thru 28 sep in area bound by 04-46S 137-20W, 16-07N 130-15W,…2008-09-19
- Hazardous operations 171024Z to 171215Z aug, alternate 190933Z to 191123Z aug, 210842Z to 211032Z aug,…2007-08-13
- Hazardous operations 171024Z to 171215Z, alternate 190933Z to 191123Z, 210842Z to 211032Z, and 230750Z to…2007-08-13
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
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.