Exercises
Hazardous operations 2300Z to 0300Z commencing daily 19 thru 22 aug and 0500Z to 0900Z daily 20 thru 23 aug…
HYDROPAC 1471/02
- issued
- 2002-08-14 11:50Z
- status
- cancelled 2002-08-23 10:00Z (archive)
- self-cancels
- 2002-08-23 10:00Z
- authority
- NAVAREA XIII 13/02 140927Z AUG 02
- sea
- Japan Sea
- position
- 42.158, 132.247
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. HAZARDOUS OPERATIONS 2300Z TO 0300Z COMMENCING DAILY 19 THRU 22 AUG AND 0500Z TO 0900Z DAILY 20 THRU 23 AUG IN AREA BOUND BY 41-40N 131-41E, 42-40N 131-41E, 42-38N 132-49E, 41-40N 132-49E. 2. CANCEL THIS MSG 231000Z AUG.
Activity windows · 8 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2002-08-19 23:00Z | 2002-08-20 03:00Z | — | 4 h |
| 2002-08-20 05:00Z | 2002-08-20 09:00Z | — | 4 h |
| 2002-08-20 23:00Z | 2002-08-21 03:00Z | — | 4 h |
| 2002-08-21 05:00Z | 2002-08-21 09:00Z | — | 4 h |
| 2002-08-21 23:00Z | 2002-08-22 03:00Z | — | 4 h |
| 2002-08-22 05:00Z | 2002-08-22 09:00Z | — | 4 h |
| 2002-08-22 23:00Z | 2002-08-23 03:00Z | — | 4 h |
| 2002-08-23 05:00Z | 2002-08-23 09:00Z | — | 4 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
236 within 180 nm since 1999 · 2 in the last 12 months · 2 in force now
99
00
05
10
15
20
25
26
- 2200Z to 1000Z commencing daily 31 jul, 02 to 14, 16 to 21, 23 to 28 and 30 aug2026-07-27
- Gunnery exercises 2200Z to 1000Z daily, 31 jul, 02 thru 14, 16 thru 21, 23 thru 28 and 30 aug, in area bound…2026-07-27
- Gunnery exercises 2200Z to 0800Z daily 01, 02, 05 thru 07, 12 thru 17, 19 thru 24 and 26 thru 30 may in area…2024-04-27
- Gunnery exercises 2200Z to 0800Z daily 31 mar thru 05 apr, 07 thru 12, 14 thru 19, 21 thru 26, 28 and 29 apr…2024-03-27
- Gunnery exercises 2200Z to 0800Z daily 02, 04, 07, 09, 11, 14, 16, 20, 21, 23, 25 and 28 feb in area bound…2024-01-31
- Gunnery exercises 1400Z to 1400Z daily 02, 03, 05, 07, 10, 11, 19 thru 21, 24, 25, 27 and 28 feb in areas…2024-01-31
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
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.