Exercises
Hazardous operations 070800Z to 110800Z may in areas: a. bound by 34-48N 128-21W, 32-45N 126-00W, 33-30N…
NAVAREA XII 173/08
- issued
- 2008-05-06 21:46Z
- status
- cancelled 2008-05-11 09:00Z (archive)
- self-cancels
- 2008-05-11 09:00Z
- authority
- COMCOGARD SECTOR HONOLULU 061812Z MAY 08.
- sea
- North Pacific Ocean
- position
- 34.847, -125.168
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. HAZARDOUS OPERATIONS 070800Z TO 110800Z MAY IN AREAS:
A. BOUND BY
34-48N 128-21W, 32-45N 126-00W,
33-30N 122-30W, 36-00N 122-30W,
37-00N 126-00W, 35-09N 128-21W.
B. BETWEEN 34-30N 35-30N AND 135-30W 133-00W.
C. BETWEEN 31-00N 32-40N AND 164-00W 159-30W.
2. CANCEL THIS MSG 110900Z MAY.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2008-05-07 08:00Z | 2008-05-11 08:00Z | — | 96 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
202 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 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 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
Timeline
- Cancel NAVAREA XII 173/08 and this msg, operation completedcancelled by · 2008-05-09
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.