Exercises
Hazardous operations 1819Z to 2007Z daily 21 thru 24 sep in areas bound by: a. 34-23N 120-44W, 34-24N…
NAVAREA XII 266/01
- issued
- 2001-09-18 00:25Z
- status
- cancelled 2001-09-21 21:03Z (archive)
- self-cancels
- 2001-09-24 21:07Z
- cancels
- NAVAREA XII 262/01
- authority
- VAFB OP #W4640 172050Z SEP 01
- sea
- North Pacific Ocean
- position
- 34.067, -120.934
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. HAZARDOUS OPERATIONS 1819Z TO 2007Z DAILY 21 THRU 24 SEP
IN AREAS BOUND BY:
A. 34-23N 120-44W, 34-24N 120-49W,
34-45N 120-40W, 34-44N 120-34W.
B. 30-46N 122-28W, 31-43N 122-04W,
31-39N 121-54W, 30-42N 122-18W.
C. 08-47N 129-49W, 12-01N 128-52W,
11-50N 128-13W, 08-36N 129-11W.
D. 34-27N 121-10W, 34-17N 120-25W,
33-37N 120-42W, 33-51N 121-28W.
2. CANCEL NAVAREA XII 262/01.
3. CANCEL THIS MSG 242107Z SEP.
Activity windows · 4 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2001-09-21 18:19Z | 2001-09-21 20:07Z | — | 1 h 48 |
| 2001-09-22 18:19Z | 2001-09-22 20:07Z | — | 1 h 48 |
| 2001-09-23 18:19Z | 2001-09-23 20:07Z | — | 1 h 48 |
| 2001-09-24 18:19Z | 2001-09-24 20:07Z | — | 1 h 48 |
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
1067 within 180 nm since 1999 · 6 in the last 12 months · 3 in force now
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- 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
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month of issue, all years in the archive
Timeline
- Hazardous operations 1819Z to 2007Z daily 21 thru 24 sep in areas bound by: a. 34-23N 120-44W, 34-24N…cancels · 2001-09-16
- Hazardous operations 1819Z to 2007Z daily 21 thru 24 sep in areas bound by: a. 34-23N 120-44W, 34-24N…replaced · 2001-09-16
- Cancel NAVAREA XII 266/01 and this msg, operations completedcancelled by · 2001-09-21
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.