Exercises
Hazardous operations 1708Z to 1848Z daily 11 thru 13 dec in areas bound by: a. 34-26N 120-39W, 34-26N…
NAVAREA XII 415/99
- issued
- 1999-12-06 06:50Z
- status
- cancelled 1999-12-13 19:48Z (archive)
- self-cancels
- 1999-12-13 19:48Z
- authority
- VAFB OP# W1927 012337Z DEC 99
- sea
- North Pacific Ocean
- position
- 27.176, -122.748
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. HAZARDOUS OPERATIONS 1708Z TO 1848Z DAILY 11 THRU 13 DEC IN AREAS BOUND BY: A. 34-26N 120-39W, 34-26N 120-43W, 34-38N 120-39W, 34-37N 120-35W. B. 27-13N 123-11W, 30-40N 122-15W, 30-29N 121-24W, 27-03N 122-22W. C. 22-15N 124-17W, 25-29N 123-28W, 25-24N 123-00W, 22-09N 123-50W. 2. CANCEL THIS MSG 131948Z DEC.
Activity windows · 3 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 1999-12-11 17:08Z | 1999-12-11 18:48Z | — | 1 h 40 |
| 1999-12-12 17:08Z | 1999-12-12 18:48Z | — | 1 h 40 |
| 1999-12-13 17:08Z | 1999-12-13 18:48Z | — | 1 h 40 |
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
36 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
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23
- Hazardous operations 1218Z to 1411Z daily 19 thru 24 may in areas bound by: a. 34-41.00N 120-41.00W,…2023-05-13
- Hazardous operations 1237Z to 1448Z daily 25 thru 29 apr in areas bound by: a. 33-41.00N 120-35.00W,…2023-04-21
- Hazardous operations 310500Z to 310630Z aug, alternate 0500Z to 0630Z daily 01 thru 04 sep in areas bound…2022-08-26
- Hazardous operations 270500Z to 270630Z aug, alternate 0500Z to 0630Z daily 28 thru 31 aug in areas bound…2022-08-22
- Hazardous operations 1659Z to 2229Z daily 21 thru 24 jul in areas bound by: a. 33-29.00N 120-39.00W,…2022-07-16
- Hazardous operations 110030Z to 110639Z jul, alternate 0030Z to 0639Z daily 12 thru 15 jul in areas bound…2022-07-06
Season · when military exercises happen here
J
F
M
A
M
J
J
A
S
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N
D
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.