Exercises
Hazardous operations 1630Z to 2359Z daily 17 thru 20 aug in areas bound by: a. 34-51N 120-01W, 34-52N…
NAVAREA XII 218/01
- issued
- 2001-08-10 13:50Z
- status
- cancelled 2001-08-13 17:35Z (archive)
- self-cancels
- 2001-08-21 00:59Z
- authority
- VAFB OP #W6442 061644Z AUG 01
- sea
- North Pacific Ocean
- position
- 34.383, -133.900
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. HAZARDOUS OPERATIONS 1630Z TO 2359Z DAILY 17 THRU 20 AUG IN AREAS BOUND BY: A. 34-51N 120-01W, 34-52N 121-01W, 34-52N 120-37W, 34-51N 120-37W. B. 34-31N 135-49W, 34-51N 132-04W, 34-15N 131-59W, 33-55N 135-44W. C. 33-14N 145-17W, 33-23N 144-25W, 32-54N 144-18W, 32-45N 145-10W. D. 25-05N 174-57W, 26-08N 172-30W, 24-44N 171-46W, 23-41N 174-14W. 2. CANCEL THIS MSG 210059Z AUG.
Activity windows · 4 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2001-08-17 16:30Z | 2001-08-17 23:59Z | — | 7 h 29 |
| 2001-08-18 16:30Z | 2001-08-18 23:59Z | — | 7 h 29 |
| 2001-08-19 16:30Z | 2001-08-19 23:59Z | — | 7 h 29 |
| 2001-08-20 16:30Z | 2001-08-20 23:59Z | — | 7 h 29 |
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
21 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
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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 operations2011-07-23
- Gunnery exercises 091700Z to 092000Z jul within 30000 yards of: a. 33-19N 135-29W2011-07-06
- Hazardous operations 1600Z to 2000Z daily 20, 21 and 24 feb in areas bound by: a. 41-09N 138-21W, 39-03N…2006-02-17
Season · when military exercises happen here
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F
M
A
M
J
J
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month of issue, all years in the archive
Timeline
- Cancel NAVAREA XII 218/01 and this msg, operations postponedcancelled by · 2001-08-13
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.