Exercises
Hazardous operations 0731Z to 1501Z daily 08 thru 10 mar in areas bound by: a. 34-49N 120-59W, 34-51N…
NAVAREA XII 72/00
- issued
- 2000-03-04 08:30Z
- status
- cancelled 2000-03-08 11:10Z (archive)
- self-cancels
- 2000-03-10 16:01Z
- cancels
- NAVAREA XII 66/00
- authority
- VAFB 45 RANS SCHEDULING CENTER OP #W0600 231745Z FEB 00; VAFB OP #W4608 031530Z MAR 00
- sea
- North Pacific Ocean
- position
- 31.779, -140.400
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. HAZARDOUS OPERATIONS 0731Z TO 1501Z DAILY 08 THRU 10 MAR IN AREAS BOUND BY: A. 34-49N 120-59W, 34-51N 120-59W, 34-53N 120-37W, 34-51N 120-37W. B. 34-52N 122-17W, 34-58N 121-03W, 34-40N 121-01W, 34-34N 122-14W. C. 31-30N 144-16W, 32-31N 140-10W, 31-32N 139-50W, 30-31N 143-56W. 2. CANCEL NAVAREA XII 66/00. 3. CANCEL THIS MSG 101601Z MAR.
Activity windows · 3 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2000-03-08 07:31Z | 2000-03-08 15:01Z | — | 7 h 30 |
| 2000-03-09 07:31Z | 2000-03-09 15:01Z | — | 7 h 30 |
| 2000-03-10 07:31Z | 2000-03-10 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
15 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
99
00
05
08
- Hazardous operations 1930Z to 0130Z commencing daily 05 thru 08 dec in areas bound by: a. 34-52N 120-51W,…2008-11-30
- Hazardous operations 1330Z to 1917Z daily 25 thru 29 may in areas bound by: a. 34-52N 120-51W, 34-52N…2007-05-24
- Hazardous operations 1400Z to 1817Z daily 25 thru 29 may in areas bound by: a. 34-52N 120-51W, 34-52N…2007-05-23
- Hazardous operations 1330Z to 1917Z daily 24 thru 29 may in areas bound by: a. 34-52N 120-51W, 34-52N…2007-05-22
- Hazardous operations 0731Z to 1501Z daily 12 thru 14 mar in areas bound by: a. 34-48N 121-02W, 34-49N…2003-03-08
- Hazardous operations 030731Z to 031501Z jun in areas bound by: a. 34-48N 120-59W, 34-49N 120-59W, 34-52N…2002-05-29
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
- Hazardous operations 0852Z to 1052Z daily 04 thru 06 mar in areas bound by: a. 34-28N 120-43W, 34-28N…cancels · 2000-03-01
- Hazardous operations 0852Z to 1052Z daily 04 thru 06 mar in areas bound by: a. 34-28N 120-43W, 34-28N…replaced · 2000-03-01
- Cancel NAVAREA XII 72/00 and this msg, operations completedcancelled by · 2000-03-08
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.