Exercises
Hazardous operations 140501Z to 151501Z sep in area bound by 34-54N 120-41W, 34-54N 120-38W, 34-52N 120-37W,…
NAVAREA XII 241/04
- issued
- 2004-09-15 06:05Z
- status
- cancelled 2004-09-15 16:01Z (archive)
- self-cancels
- 2004-09-15 16:01Z
- authority
- CCGD ELEVEN 695/04 150500Z SEP 04.
- sea
- North Pacific Ocean
- position
- 34.883, -120.654
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. HAZARDOUS OPERATIONS 140501Z TO 151501Z SEP IN AREA BOUND BY 34-54N 120-41W, 34-54N 120-38W, 34-52N 120-37W, 34-52N 120-41W. 2. CANCEL THIS MSG 151601Z SEP.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2004-09-14 05:01Z | 2004-09-15 15:01Z | — | 34 h |
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
1013 within 180 nm since 1999 · 6 in the last 12 months · 3 in force now
99
00
05
10
15
20
25
26
- Hazardous operations 251300Z to 252100Z aug, alternate 261300Z to 262100Z aug in area bound by 33-37.00N…2026-08-20
- Hazardous operations 251400Z to 252000Z aug, alternate 261400Z to 262000Z aug in area within 56 miles of…2026-08-20
- Hazardous operations 221200Z to 230100Z aug, alternate 1230Z to 0100Z daily 23 and 24 aug in area bound by:…2026-08-17
- Hazardous operations 181700Z to 190001Z aug, alternate 1700Z to 0100Z daily, 20 thru 21 aug in area bound by…2026-08-13
- Hazardous operations 010800Z aug to 010800Z sep in area bound by 32-55.00N 118-25.00W, 32-55.00N 118-15.00W,…2026-07-23
- Hazardous operations 010800Z aug to 010800Z sep in area bound by 32-52.70N 119-11.96W, 33-08.06N 118-52.09W,…2026-07-23
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
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.