Exercises
Hazardous operations 1808Z to 1952Z daily 08 thru 13 oct in areas bound by: a. 34-26N 120-40W, 34-27N…
NAVAREA XII 453/09
- issued
- 2009-10-04 05:25Z
- status
- cancelled 2009-10-09 09:26Z (archive)
- self-cancels
- 2009-10-13 20:52Z
- authority
- VAFB OP W3883 291523Z SEP 09.
- sea
- North Pacific Ocean
- position
- 12.364, -126.128
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. HAZARDOUS OPERATIONS 1808Z TO 1952Z DAILY 08 THRU 13 OCT
IN AREAS BOUND BY:
A. 34-26N 120-40W, 34-27N 120-48W,
34-46N 120-41W, 34-44N 120-34W.
B. 34-08N 120-58W, 34-28N 120-51W,
34-24N 120-35W, 34-04N 120-42W.
C. 30-57N 121-58W, 31-50N 121-42W,
31-45N 121-20W, 30-52N 121-36W.
D. 07-58N 127-37W, 13-28N 126-26W,
13-15N 125-28W, 07-46N 126-40W.
2. CANCEL THIS MSG 132052Z OCT.
Activity windows · 6 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2009-10-08 18:08Z | 2009-10-08 19:52Z | — | 1 h 44 |
| 2009-10-09 18:08Z | 2009-10-09 19:52Z | — | 1 h 44 |
| 2009-10-10 18:08Z | 2009-10-10 19:52Z | — | 1 h 44 |
| 2009-10-11 18:08Z | 2009-10-11 19:52Z | — | 1 h 44 |
| 2009-10-12 18:08Z | 2009-10-12 19:52Z | — | 1 h 44 |
| 2009-10-13 18:08Z | 2009-10-13 19:52Z | — | 1 h 44 |
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
29 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
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05
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20
22
- Hazardous operations: a. 100855Z to 101034Z nov, alternate 0855Z to 1034Z daily 11 and 12 nov in area bound…2022-11-05
- Hazardous operations: a. 010855Z to 011034Z nov, alternate 020855Z to 021034Z nov in area bound by 34-43.00N…2022-10-29
- Hazardous operations: a. 010855Z to 011034Z nov, alternate 020855Z to 021034Z nov in area bound by 34-43.00N…2022-10-27
- Hazardous operations: a. 1741Z to 1914Z daily 27 and 28 sep in area bound by 34-29N 120-28W, 34-17N 120-41W,…2021-09-22
- Hazardous operations 151212Z to 151547Z sep, alternate 1212Z to 1547Z daily 16 thru 18 sep in area bound by…2018-09-10
- Hazardous operations2016-11-06
Season · when military exercises happen here
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month of issue, all years in the archive
Timeline
- Cancel NAVAREA XII 453/09 and this msg, operations completedcancelled by · 2009-10-09
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.