Exercises
Hazardous operations 0031Z to 0801Z daily 20 thru 23 sep in areas bound by: a. 34-49N 121-01W, 34-50N…
NAVAREA XII 264/02
- issued
- 2002-09-16 09:20Z
- status
- cancelled 2002-09-20 06:55Z (archive)
- self-cancels
- 2002-09-23 09:01Z
- authority
- VAFB OP#W3916 121615Z SEP 02
- sea
- North Pacific Ocean
- position
- 34.237, -126.044
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. HAZARDOUS OPERATIONS 0031Z TO 0801Z DAILY 20 THRU 23 SEP
IN AREAS BOUND BY:
A. 34-49N 121-01W, 34-50N 121-01W,
34-52N 120-36W, 34-51N 120-36W.
B. 34-34N 126-12W, 35-01N 121-57W,
34-29N 121-52W, 34-02N 126-08W.
C. 32-59N 136-15W, 33-11N 135-15W,
32-43N 135-07W, 32-32N 136-07W.
2. CANCEL THIS MSG 230901Z SEP.
Activity windows · 4 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2002-09-20 00:31Z | 2002-09-20 08:01Z | — | 7 h 30 |
| 2002-09-21 00:31Z | 2002-09-21 08:01Z | — | 7 h 30 |
| 2002-09-22 00:31Z | 2002-09-22 08:01Z | — | 7 h 30 |
| 2002-09-23 00:31Z | 2002-09-23 08:01Z | — | 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
139 within 180 nm since 1999 · 1 in the last 12 months · 0 in force now
99
00
05
10
15
20
25
26
- Hazardous operations 190900Z to 192100Z aug, alternate 0900Z to 2100Z daily 20 and 21 aug in areas bound by:…2026-08-17
- Hazardous operations 251400Z to 260030Z apr, alternate 261400Z to 270030Z and 291400Z to 300030Z apr in area…2024-04-23
- Hazardous operations 041200Z to 042030Z nov, alternate 1300Z to 2130Z daily 07 and 13 nov in areas bound by:…2023-10-30
- Hazardous operations 01 and 02 nov: a. 0631Z to 1335Z in area bound by 34-40.00N 121-25.00W, 34-40.00N…2023-10-26
- Hazardous operations 01 and 02 nov: a. 0631Z to 1335Z in area bound by 34-40.00N 121-25.00W, 34-40.00N…2023-10-26
- Hazardous operations daily 06 and 07 sep: a. 0631Z to 1337Z in area bound by 34-38.00N 121-23.00W, 34-38.00N…2023-09-01
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 264/02 and this msg, operations completedcancelled by · 2002-09-20
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.