Exercises
Hazardous operations 0130Z to 0730Z daily 03 thru 05 oct in areas bound by: a. 34-48N 120-56W, 34-51N…
NAVAREA XII 334/99
- issued
- 1999-09-28 08:40Z
- status
- cancelled 1999-10-03 06:17Z (archive)
- self-cancels
- 1999-10-05 08:30Z
- authority
- VAFB OP #W1939 221915Z SEP 99
- sea
- North Pacific Ocean
- position
- 33.633, -135.358
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. HAZARDOUS OPERATIONS 0130Z TO 0730Z DAILY 03 THRU 05 OCT IN AREAS BOUND BY: A. 34-48N 120-56W, 34-51N 120-56W, 34-52N 120-35W, 34-49N 120-35W. B. 34-45N 124-16W, 34-47N 123-51W, 34-37N 123-50W, 34-35N 124-16W. C. 34-44N 126-13W, 34-49N 125-08W, 34-26N 125-05W, 34-21N 126-11W. D. 33-47N 136-22W, 34-04N 134-28W, 33-29N 134-21W, 33-13N 136-15W. E. 31-42N 147-21W, 31-57N 146-18W, 31-42N 146-13W, 31-28N 147-17W. 2. CANCEL THIS MSG 050830Z OCT.
Activity windows · 3 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 1999-10-03 01:30Z | 1999-10-03 07:30Z | — | 6 h |
| 1999-10-04 01:30Z | 1999-10-04 07:30Z | — | 6 h |
| 1999-10-05 01:30Z | 1999-10-05 07:30Z | — | 6 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
24 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
99
00
05
10
15
20
23
- Hazardous operations 11 thru 16 dec: a. 1400Z to 1805Z daily in area bound by 35-01.00N 121-13.00W,…2023-12-07
- Hazardous operations 130800Z to 191900Z jun in areas bound by: a. 34-24.00N 125-00.00W, 35-20.00N…2022-06-08
- Hazardous operations 130800Z to 191900Z jun in areas bound by: a. 34-24.00N 125-00.00W, 35-20.00N…2022-06-08
- Hazardous operations 211230Z to 212000Z mar, alternate 1230Z to 2000Z daily 23, 25 and 26 mar in area bound…2022-03-16
- Hazardous operations 151330Z to 152000Z feb, alternate 171330Z to 172000Z feb in area bound by 31-16-21N…2022-02-10
- Hazardous operations 100900Z top 101800Z jul, alternate 130900Z to 131800Z jul in area bound by 31-13-21N…2021-07-06
Season · when military exercises happen here
J
F
M
A
M
J
J
A
S
O
N
D
month of issue, all years in the archive
Timeline
- Cancel NAVAREA XII 334/99, operations completedcancelled by · 1999-10-03
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.