Exercises
Hazardous operations 1348Z to 1533Z daily 18 thru 21 dec in areas bound by: a. 34-26N 120-39W, 34-26N…
NAVAREA XII 355/02
- issued
- 2002-12-17 13:55Z
- status
- cancelled 2002-12-18 15:03Z (archive)
- self-cancels
- 2002-12-21 16:33Z
- authority
- VAFB OP#W7428 171225Z DEC 02
- sea
- North Pacific Ocean
- position
- 25.892, -123.072
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. HAZARDOUS OPERATIONS 1348Z TO 1533Z DAILY 18 THRU 21 DEC
IN AREAS BOUND BY:
A. 34-26N 120-39W, 34-26N 120-42W,
34-38N 120-39W, 34-37N 120-35W.
B. 25-52N 123-32W, 29-18N 122-37W,
29-07N 121-47W, 25-41N 122-43W.
C. 21-02N 124-32W, 24-17N 123-44W,
24-11N 123-17W, 20-57N 124-06W.
2. CANCEL THIS MSG 211633Z DEC.
Activity windows · 4 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2002-12-18 13:48Z | 2002-12-18 15:33Z | — | 1 h 45 |
| 2002-12-19 13:48Z | 2002-12-19 15:33Z | — | 1 h 45 |
| 2002-12-20 13:48Z | 2002-12-20 15:33Z | — | 1 h 45 |
| 2002-12-21 13:48Z | 2002-12-21 15:33Z | — | 1 h 45 |
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
18 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
99
00
05
10
15
18
- Hazardous operations 102030Z to 110126Z jan, alternate 2030Z to 0126Z commencing daily 11 and 12 jan in…2018-01-05
- Hazardous operations 2100Z to 0126Z commencing daily 13 thru 18 dec in area bound by 26-25N 123-12W, 26-46N…2017-12-08
- Hazardous operations2014-10-21
- Hazardous operations2013-03-20
- Hazardous operations 1600Z to 2000Z daily 19 thru 21 oct in area bound by a. 34-21N 120-38W, 34-22N 120-43W,…2005-10-17
- Hazardous operations 1547Z to 1727Z daily 18 thru 20 oct in areas bound by: a. 34-26N 120-39W, 34-26N…2003-10-16
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 XII 355/02 and this msg, operations completedcancelled by · 2002-12-18
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.