Exercises
Hazardous operations 1730Z to 0500Z commencing daily 09 thru 20 jul in area bound by 22-00N 158-48W, 22-00N…
NAVAREA XII 257/08
- issued
- 2008-07-04 09:42Z
- status
- cancelled 2008-07-21 06:00Z (archive)
- self-cancels
- 2008-07-21 06:00Z
- authority
- PACMISRANFAC 111831Z JUN 08.
- sea
- North Pacific Ocean
- position
- 23.176, -160.595
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. HAZARDOUS OPERATIONS 1730Z TO 0500Z COMMENCING DAILY 09 THRU 20 JUL IN AREA BOUND BY 22-00N 158-48W, 22-00N 162-00W, 24-20N 162-00W, 24-20N 159-10W, 22-20N 159-10W, 22-10N 159-45W. 2. CANCEL THIS MSG 210600Z JUL.
Activity windows · 12 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2008-07-09 17:30Z | 2008-07-10 05:00Z | — | 11 h 30 |
| 2008-07-10 17:30Z | 2008-07-11 05:00Z | — | 11 h 30 |
| 2008-07-11 17:30Z | 2008-07-12 05:00Z | — | 11 h 30 |
| 2008-07-12 17:30Z | 2008-07-13 05:00Z | — | 11 h 30 |
| 2008-07-13 17:30Z | 2008-07-14 05:00Z | — | 11 h 30 |
| 2008-07-14 17:30Z | 2008-07-15 05:00Z | — | 11 h 30 |
| 2008-07-15 17:30Z | 2008-07-16 05:00Z | — | 11 h 30 |
| 2008-07-16 17:30Z | 2008-07-17 05:00Z | — | 11 h 30 |
| … 4 more | |||
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
46 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
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22
- Hazardous operations 1900Z to 0330Z daily 24 thru 26 oct, alternate 1900Z to 0330Z daily 27 and 28 oct in…2022-10-19
- Hazardous operations 150230Z to 150730Z aug, alternate 160230Z to 160730Z aug in area bound by 18-29.00N…2022-08-11
- Hazardous operations sunrise to sunset daily 11 thru 27 jul in area bound by 22-00.00N 159-47.00W, 21-50.00N…2022-07-06
- Hazardous operations 202130Z to 210130Z and 212130Z to 220130Z apr in area bound by 22-01N 159-47W, 21-45N…2022-04-15
- Hazardous operations 151600Z to 160500Z aug, alternate 161600Z to 170500Z aug in area bound by 22-00N…2021-08-12
- Hazardous operations 17 thru 31 aug in area bound by 22-00N 159-47W, 21-50N 160-20W, 21-50N 161-30W, 23-05N…2020-08-13
Season · when military exercises happen here
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F
M
A
M
J
J
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S
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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.