Exercises
Hazardous operations 1400Z to 1817Z daily 25 thru 29 may in areas bound by: a. 34-52N 120-51W, 34-52N…
NAVAREA XII 120/07
- issued
- 2007-05-23 19:39Z
- status
- cancelled 2007-05-24 16:38Z (archive)
- self-cancels
- 2007-05-29 19:17Z
- cancels
- NAVAREA XII 119/07
- authority
- WESTERN RANGE OPS W4233 19 MAY 07; TWO PHONE CONF WITH WESTERN OPS 23 MAY 07.
- sea
- North Pacific Ocean
- position
- 32.738, -141.888
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. HAZARDOUS OPERATIONS 1400Z TO 1817Z DAILY
25 THRU 29 MAY IN AREAS BOUND BY:
A. 34-52N 120-51W, 34-52N 120-36W,
34-51N 120-36W, 34-49N 120-51W.
B. 34-48N 126-24W, 34-51N 125-53W,
34-09N 125-48W, 34-07N 126-19W.
C. 31-51N 153-49W, 34-15N 153-03W,
36-50N 138-36W, 35-34N 132-28W,
30-34N 130-36W, 30-00N 131-39W,
27-51N 139-10W, 27-02N 149-54W,
27-44N 152-18W.
D. 40-45N 141-30W, 41-52N 134-28W,
38-30N 134-30W, 36-54N 138-36W.
2. CANCEL NAVAREA XII 119/07.
3. CANCEL THIS MSG 291917Z MAY.
Activity windows · 5 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2007-05-25 14:00Z | 2007-05-25 18:17Z | — | 4 h 17 |
| 2007-05-26 14:00Z | 2007-05-26 18:17Z | — | 4 h 17 |
| 2007-05-27 14:00Z | 2007-05-27 18:17Z | — | 4 h 17 |
| 2007-05-28 14:00Z | 2007-05-28 18:17Z | — | 4 h 17 |
| 2007-05-29 14:00Z | 2007-05-29 18:17Z | — | 4 h 17 |
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
15 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
99
00
05
08
- Hazardous operations 1930Z to 0130Z commencing daily 05 thru 08 dec in areas bound by: a. 34-52N 120-51W,…2008-11-30
- Hazardous operations 1330Z to 1917Z daily 25 thru 29 may in areas bound by: a. 34-52N 120-51W, 34-52N…2007-05-24
- Hazardous operations 1330Z to 1917Z daily 24 thru 29 may in areas bound by: a. 34-52N 120-51W, 34-52N…2007-05-22
- Hazardous operations 0731Z to 1501Z daily 12 thru 14 mar in areas bound by: a. 34-48N 121-02W, 34-49N…2003-03-08
- Hazardous operations 030731Z to 031501Z jun in areas bound by: a. 34-48N 120-59W, 34-49N 120-59W, 34-52N…2002-05-29
- Hazardous operations 0731Z to 1501Z daily 02 thru 04 jun in areas bound by: a. 34-48N 120-59W, 34-49N…2002-05-28
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 1330Z to 1917Z daily 24 thru 29 may in areas bound by: a. 34-52N 120-51W, 34-52N…cancels · 2007-05-22
- Hazardous operations 1330Z to 1917Z daily 24 thru 29 may in areas bound by: a. 34-52N 120-51W, 34-52N…replaced · 2007-05-22
- Hazardous operations 1330Z to 1917Z daily 25 thru 29 may in areas bound by: a. 34-52N 120-51W, 34-52N…cancelled by · 2007-05-24
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.