Exercises
Hazardous operations 251730Z to 260001Z in areas: a. bound by 30-55N 117-30W, 30-55N 116-40W, 29-35N…
NAVAREA XII 437/09
- issued
- 2009-09-24 17:01Z
- status
- cancelled 2009-09-26 01:01Z (archive)
- self-cancels
- 2009-09-26 01:01Z
- authority
- CCDG 11 615/09 241421Z SEP 09.
- sea
- North Pacific Ocean
- position
- 30.187, -116.901
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. HAZARDOUS OPERATIONS 251730Z TO 260001Z IN AREAS:
A. BOUND BY
30-55N 117-30W, 30-55N 116-40W,
29-35N 116-00W, 29-35N 117-30W.
B. BETWEEN
30-48N 29-35N AND 117-40W 118-25W.
2. CANCEL THIS MSG 260101Z SEP.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2009-09-25 17:30Z | 2009-09-26 00:01Z | — | 6 h 31 |
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
300 within 180 nm since 1999 · 3 in the last 12 months · 3 in force now
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00
05
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15
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25
26
- Hazardous operations 191500Z to 202300Z aug in area within two miles of 32-35.87N 117-10.87W2026-08-12
- 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 32-33.00N 118-25.00W, 32-35.00N 118-16.00W,…2026-07-23
- Hazardous operations 10800Z may to 010800Z jun in area bound by 32-55.00N 118-25.00W, 32-55.00N 118-15.00W,…2024-04-26
- Hazardous operations 010800Z may to 010800Z jun in area bound by 32-33.00N 118-25.00W, 32-35.00N 118-16.00W,…2024-04-26
- Hazardous operations 010800Z apr to 010800Z may in area bound by 32-55.00N 118-25.00W, 32-55.00N 118-15.00W,…2024-03-26
Season · when military exercises happen here
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F
M
A
M
J
J
A
S
O
N
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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.