Exercises
Hazardous operations 0731Z to 1501Z daily 24 thru 27 mar in areas bound by: a. 34-50N 121-03W, 34-51N…
NAVAREA XII 101/04
- issued
- 2004-03-21 10:10Z
- status
- cancelled 2004-03-24 18:15Z (archive)
- self-cancels
- 2004-03-27 16:01Z
- authority
- USAKA KWAJALEIN 20 MAR
- sea
- North Pacific Ocean
- position
- 34.517, -124.167
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. HAZARDOUS OPERATIONS 0731Z TO 1501Z DAILY
24 THRU 27 MAR IN AREAS BOUND BY:
A. 34-50N 121-03W, 34-51N 121-03W,
34-53N 120-38W, 34-52N 120-38W.
B. 34-33N 126-20W, 35-01N 122-05W,
34-29N 122-00W, 34-01N 126-16W.
C. 32-42N 137-25W, 32-54N 136-25W,
32-27N 136-17W, 32-15N 137-17W.
2. CANCEL THIS MSG 271601Z MAR.
Activity windows · 4 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2004-03-24 07:31Z | 2004-03-24 15:01Z | — | 7 h 30 |
| 2004-03-25 07:31Z | 2004-03-25 15:01Z | — | 7 h 30 |
| 2004-03-26 07:31Z | 2004-03-26 15:01Z | — | 7 h 30 |
| 2004-03-27 07:31Z | 2004-03-27 15:01Z | — | 7 h 30 |
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
292 within 180 nm since 1999 · 2 in the last 12 months · 0 in force now
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00
05
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15
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25
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
J
F
M
A
M
J
J
A
S
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N
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month of issue, all years in the archive
Timeline
- Cancel NAVAREA XII 101/04 and this msg, operations postponedcancelled by · 2004-03-24
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.