Exercises
Hazardous operations 182100Z to 190800Z dec, alternate 2100Z to 0800Z commencing daily 19 thru 23 dec within…
HYDROPAC 2337/09
- issued
- 2009-12-14 08:21Z
- status
- cancelled 2009-12-24 09:00Z (archive)
- self-cancels
- 2009-12-24 09:00Z
- authority
- NAVAREA XI 830/09 140748Z DEC 09.
- sea
- North Pacific Ocean
- position
- 31.237, 144.447 · r 25.0 nm
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. HAZARDOUS OPERATIONS 182100Z TO 190800Z DEC, ALTERNATE 2100Z TO 0800Z COMMENCING DAILY 19 THRU 23 DEC WITHIN 25 MILES OF 31-14-14N 144-26-48E. 2. CANCEL THIS MSG 240900Z DEC.
Activity windows · 6 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2009-12-18 21:00Z | 2009-12-19 08:00Z | — | 11 h |
| 2009-12-19 21:00Z | 2009-12-20 08:00Z | — | 11 h |
| 2009-12-20 21:00Z | 2009-12-21 08:00Z | — | 11 h |
| 2009-12-21 21:00Z | 2009-12-22 08:00Z | — | 11 h |
| 2009-12-22 21:00Z | 2009-12-23 08:00Z | — | 11 h |
| 2009-12-23 21:00Z | 2009-12-24 08:00Z | — | 11 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
131 within 180 nm since 2006 · 0 in the last 12 months · 0 in force now
06
10
15
20
24
- Gunnery exercises 232359Z to 240800Z apr in area within ten miles of 29-55.0N 141-59.5E2024-04-21
- Gunnery exercises 2100Z to 1400Z daily 21 and 22 apr, alternate 2100Z to 1400Z daily 23 and 24 apr in area…2024-04-17
- Gunnery exercises 2100Z to 0900Z daily 14 and 18 apr, alternate 2100Z to 0900Z daily 15, 19 and 20 apr in…2024-04-10
- Gunnery exercises 2100Z to 0900Z daily 07 and 08 apr, alternate 2100Z to 0900Z daily 09 thru 13 apr in area…2024-04-03
- Gunnery exercises 062100Z to 070900Z apr in area within 25 miles of 31-14.23N 144-26.80E2024-04-02
- Gunnery exercises 262130Z to 270800Z feb, alternate 272130Z to 280800Z feb in area within 25 miles of…2024-02-22
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
- Rocket firingMissiles · 0 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.