Exercises
Hazardous operations
North Pacific · NAVAREA XII 303/16
- issued
- 2016-09-03 09:40Z
- status
- cancelled 2016-09-05 10:15Z (archive)
- self-cancels
- 2016-09-07 15:28Z
- cancels
- NAVAREA XII 294/16
- authority
- WESTERN RANGE OP W8739 030308Z SEP 16.
- sea
- North Pacific Ocean
- position
- 34.708, -123.450
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
NORTH PACIFIC.
HAZARDOUS OPERATIONS.
1. HAZARDOUS OPERATIONS 0631Z TO 1333Z DAILY
05 THRU 07 SEP IN AREAS BOUND BY:
A. 34-26N 124-48W, 34-44N 124-50W,
34-59N 122-06W, 34-41N 122-04W.
B. 32-47N 136-38W, 33-00N 136-42W,
33-09N 135-52W, 32-56N 135-49W.
2. HAZARDOUS OPERATIONS 0631Z TO 1428Z DAILY
05 THRU 07 SEP IN AREA BOUND BY
15-49N 175-55E, 16-59N 178-19E,
15-55N 178-51E, 14-47N 176-27E.
3. CANCEL NAVAREA XII 294/16.
4. CANCEL THIS MSG 071528Z SEP 16.
Activity windows · 6 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2016-09-05 06:31Z | 2016-09-05 13:33Z | — | 7 h 02 |
| 2016-09-05 06:31Z | 2016-09-05 14:28Z | — | 7 h 57 |
| 2016-09-06 06:31Z | 2016-09-06 13:33Z | — | 7 h 02 |
| 2016-09-06 06:31Z | 2016-09-06 14:28Z | — | 7 h 57 |
| 2016-09-07 06:31Z | 2016-09-07 13:33Z | — | 7 h 02 |
| 2016-09-07 06:31Z | 2016-09-07 14:28Z | — | 7 h 57 |
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
417 within 180 nm since 1999 · 2 in the last 12 months · 0 in force now
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26
- Hazardous operations 251400Z to 252000Z aug, alternate 261400Z to 262000Z aug in area within 56 miles of…2026-08-20
- Hazardous operations 190900Z to 192100Z aug, alternate 0900Z to 2100Z daily 20 and 21 aug in areas bound by:…2026-08-17
- Hazardous operations 151900Z to 160000Z may in area bound by 34-39.47N 121-13.08W, 34-23.43N 121-02.07W,…2024-05-09
- Hazardous operations 091900Z to 092200Z may in area bound by 33-53.45N 120-27.05W, 33-43.15N 119-46.30W,…2024-05-04
- Hazardous operations 082000Z to 090130Z may in area bound by 34-39.78N 121-13.13W, 34-23.72N 121-02.12W,…2024-05-03
- Hazardous operations 251400Z to 260030Z apr, alternate 261400Z to 270030Z and 291400Z to 300030Z apr in area…2024-04-23
Season · when military exercises happen here
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A
M
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month of issue, all years in the archive
Timeline
- Hazardous operationscancels · 2016-08-30
- Hazardous operationsreplaced · 2016-08-30
- Hazardous operationscancelled by · 2016-09-05
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.