Exercises
Hazardous operations 201630Z to 201900Z dec, alternate 211630Z to 211900Z dec in area bound by 30-38N…
NAVAREA XII 358/02
- issued
- 2002-12-19 01:57Z
- status
- cancelled 2002-12-21 20:00Z (archive)
- self-cancels
- 2002-12-21 20:00Z
- authority
- JAPAN COAST GUARD EMAIL 190032Z DEC 02
- sea
- North Pacific Ocean
- position
- 32.492, -169.867
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. HAZARDOUS OPERATIONS 201630Z TO 201900Z DEC, ALTERNATE 211630Z TO 211900Z DEC IN AREA BOUND BY 30-38N 169-28W, 33-52N 171-24W, 34-21N 170-16W, 31-07N 168-20W. 2. CANCEL THIS MSG 212000Z DEC.
Activity windows · 2 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2002-12-20 16:30Z | 2002-12-20 19:00Z | — | 2 h 30 |
| 2002-12-21 16:30Z | 2002-12-21 19:00Z | — | 2 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
4 within 180 nm since 2000 · 0 in the last 12 months · 0 in force now
00
02
- Hazardous operations 1000Z to 1300Z daily 26 and 27 sep within 108 miles of 31-36-23N 169-24-21W2000-09-22
- Hazardous operations 0930Z to 1100Z daily 25 and 26 aug within 108 miles of 31-36-23N 169-24-21W2000-08-24
- Hazardous operations 0930Z to 1100Z daily 25 and 26 aug within 108 miles of 31-36-23N 169-24-21W2000-08-23
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
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.