Exercises
Hazardous operations 0231Z to 0701Z daily 25 thru 27 aug in areas bound by: a. 34-51N 120-59W, 34-53N…
NAVAREA XII 238/02
- issued
- 2002-08-20 05:50Z
- status
- cancelled 2002-08-20 16:22Z (archive)
- self-cancels
- 2002-08-27 08:01Z
- cancels
- NAVAREA XII 236/02
- authority
- VAFB OP#W6330 191615Z AUG 02
- sea
- North Pacific Ocean
- position
- 33.892, -133.725
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. HAZARDOUS OPERATIONS 0231Z TO 0701Z DAILY 25 THRU 27 AUG
IN AREAS BOUND BY:
A. 34-51N 120-59W, 34-53N 120-59W,
34-54N 120-39W, 34-52N 120-39W.
B. 34-49N 124-48W, 34-51N 124-12W,
34-36N 124-11W, 34-34N 124-47W.
C. 34-40N 127-35W, 34-47N 126-00W,
34-27N 125-58W, 34-20N 127-33W.
D. 34-02N 134-40W, 34-15N 132-53W,
33-45N 132-47W, 33-31N 134-34W.
E. 31-42N 148-26W, 32-04N 146-53W,
31-20N 146-39W, 30-58N 148-12W.
2. CANCEL NAVAREA XII 236/02.
3. CANCEL THIS MSG 270801Z AUG.
Activity windows · 3 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2002-08-25 02:31Z | 2002-08-25 07:01Z | — | 4 h 30 |
| 2002-08-26 02:31Z | 2002-08-26 07:01Z | — | 4 h 30 |
| 2002-08-27 02:31Z | 2002-08-27 07:01Z | — | 4 h 30 |
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
21 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
99
00
05
10
15
20
23
- Hazardous operations 11 thru 16 dec: a. 1400Z to 1805Z daily in area bound by 35-01.00N 121-13.00W,…2023-12-07
- Hazardous operations 130800Z to 191900Z jun in areas bound by: a. 34-24.00N 125-00.00W, 35-20.00N…2022-06-08
- Hazardous operations 130800Z to 191900Z jun in areas bound by: a. 34-24.00N 125-00.00W, 35-20.00N…2022-06-08
- Hazardous operations2011-07-23
- Gunnery exercises 091700Z to 092000Z jul within 30000 yards of: a. 33-19N 135-29W2011-07-06
- Hazardous operations 1600Z to 2000Z daily 20, 21 and 24 feb in areas bound by: a. 41-09N 138-21W, 39-03N…2006-02-17
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 0231Z to 0701Z daily 21 thru 23 aug in areas bound by: a. 34-51N 120-59W, 34-53N…cancels · 2002-08-17
- Hazardous operations 0231Z to 0701Z daily 21 thru 23 aug in areas bound by: a. 34-51N 120-59W, 34-53N…replaced · 2002-08-17
- Cancel NAVAREA XII 238/02 and this msg, operations suspendedcancelled by · 2002-08-20
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.