Exercises
Hazardous operations 250830Z to 251652Z apr, alternate 260830Z to 261652Z apr in areas bound by: a. 34-18N…
Eastern North Pacific · California · NAVAREA XII 166/18
- issued
- 2018-04-20 08:33Z
- status
- cancelled 2018-04-25 12:57Z (archive)
- self-cancels
- 2018-04-26 17:52Z
- authority
- WESTERN RANGE 092237Z APR 18.
- sea
- North Pacific Ocean
- position
- 34.600, -123.108
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
EASTERN NORTH PACIFIC.
CALIFORNIA.
1. HAZARDOUS OPERATIONS 250830Z TO 251652Z APR,
ALTERNATE 260830Z TO 261652Z APR
IN AREAS BOUND BY:
A. 34-18N 124-20W, 34-37N 124-24W,
34-53N 121-52W, 34-35N 121-49W.
B. 32-35N 135-50W, 32-52N 135-55W,
33-01N 135-10W, 32-44N 135-05W.
2. CANCEL THIS MSG 261752Z APR 18.
Activity windows · 2 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2018-04-25 08:30Z | 2018-04-25 16:52Z | — | 8 h 22 |
| 2018-04-26 08:30Z | 2018-04-26 16:52Z | — | 8 h 22 |
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
663 within 180 nm since 1999 · 4 in the last 12 months · 0 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 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
Season · when military exercises happen here
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month of issue, all years in the archive
Timeline
- Cancel NAVAREA XII 166/18 and this msg, operations completedcancelled by · 2018-04-25
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.