Exercises
Hazardous operations 1850Z to 1852Z daily 06 thru 08 sep in areas bound by: a. 34-29N 120-40W, 34-31N…
NAVAREA XII 359/08
- issued
- 2008-09-04 01:28Z
- status
- cancelled 2008-09-06 20:00Z (archive)
- self-cancels
- 2008-09-08 19:52Z
- cancels
- NAVAREA XII 349/08
- authority
- WESTERN RANGE OPS W7815 03 SEP 08.
- sea
- North Pacific Ocean
- position
- 16.086, -125.350
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. HAZARDOUS OPERATIONS 1850Z TO 1852Z DAILY 06 THRU 08 SEP
IN AREAS BOUND BY:
A. 34-29N 120-40W, 34-31N 120-46W,
34-46N 120-41W, 34-44N 120-34W.
B. 34-09N 120-58W, 34-26N 120-52W,
34-22N 120-36W, 34-05N 120-42W.
C. 13-20N 126-19W, 17-35N 125-24W,
17-27N 124-44W, 13-12N 125-39W.
2. CANCEL NAVAREA XII 349/08.
3. CANCEL THIS MSG 081952Z SEP.
Activity windows · 3 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2008-09-06 18:50Z | 2008-09-06 18:52Z | — | 2 min |
| 2008-09-07 18:50Z | 2008-09-07 18:52Z | — | 2 min |
| 2008-09-08 18:50Z | 2008-09-08 18:52Z | — | 2 min |
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
33 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
99
00
05
10
15
18
- Hazardous operations 151212Z to 151547Z sep, alternate 1212Z to 1547Z daily 16 thru 18 sep in area bound by…2018-09-10
- Hazardous operations2011-06-04
- Hazardous operations2010-11-03
- Hazardous operations2010-11-03
- Hazardous operations2010-10-28
- Hazardous operations2010-10-26
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
- Hazardous operations 1850Z to 1852Z daily 04 thru 08 sep in areas bound by: a. 34-29N 120-40W, 34-31N…cancels · 2008-08-29
- Hazardous operations 1850Z to 1852Z daily 04 thru 08 sep in areas bound by: a. 34-29N 120-40W, 34-31N…replaced · 2008-08-29
- Cancel NAVAREA XII 359/08 and this msgcancelled by · 2008-09-06
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.