Exercises
Hazardous operations 281615Z to 281715Z may in area bound by 35-45N 123-55W, 35-14N 123-34W, 35-27N 123-00W,…
NAVAREA XII 175/99
- issued
- 1999-05-27 22:54Z
- status
- cancelled 1999-05-28 18:15Z (archive)
- self-cancels
- 1999-05-28 18:15Z
- authority
- FACSFAC SAN DIEGO-272322Z MAY 99
- sea
- North Pacific Ocean
- position
- 35.520, -122.734
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. HAZARDOUS OPERATIONS 281615Z TO 281715Z MAY IN AREA BOUND BY 35-45N 123-55W, 35-14N 123-34W, 35-27N 123-00W, 35-04N 122-33W, 35-37N 121-33W, 35-45N 121-43W. 2. CANCEL THIS MSG 281815Z MAY.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 1999-05-28 16:15Z | 1999-05-28 17:15Z | — | 1 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
341 within 180 nm since 1999 · 1 in the last 12 months · 0 in force now
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- Hazardous operations 251400Z to 252000Z aug, alternate 261400Z to 262000Z aug in area within 56 miles of…2026-08-20
- 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 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
- Hazardous operations 051530Z to 52330Z, alternate 061530Z to 062330Z apr in area bound by 33-51.03N…2024-04-02
- Hazardous operations 082030Z to 090030Z mar in area within 30 miles of 33-32.50N 122-23.50W2024-03-03
Season · when military exercises happen here
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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.