Exercises
Hazardous operations 240300Z to 240900Z sep, alternate 0300Z to 0900Z daily 25 thru 27 sep in area bound by…
NAVAREA XII 323/99
- issued
- 1999-09-21 07:50Z
- status
- cancelled 1999-09-27 10:00Z (archive)
- self-cancels
- 1999-09-27 10:00Z
- authority
- PACMISRANFAC HAWAREA BARKING SANDS HI 251931Z AUG 99
- sea
- North Pacific Ocean
- position
- 25.205, -161.975
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. HAZARDOUS OPERATIONS 240300Z TO 240900Z SEP, ALTERNATE 0300Z TO 0900Z DAILY 25 THRU 27 SEP IN AREA BOUND BY 23-30N 164-00W, 23-30N 161-35W, 25-00N 159-00W, 27-30N 161-00W, 26-45N 163-00W, 24-00N 165-00W. 2. CANCEL THIS MSG 271000Z SEP.
Activity windows · 4 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 1999-09-24 03:00Z | 1999-09-24 09:00Z | — | 6 h |
| 1999-09-25 03:00Z | 1999-09-25 09:00Z | — | 6 h |
| 1999-09-26 03:00Z | 1999-09-26 09:00Z | — | 6 h |
| 1999-09-27 03:00Z | 1999-09-27 09:00Z | — | 6 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
55 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
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- 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
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A
M
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J
A
S
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month of issue, all years in the archive
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.