Exercises
Hazardous operations
Sea of Japan · HYDROPAC 2744/11
- issued
- 2011-09-29 10:19Z
- status
- cancelled 2011-10-07 13:00Z (archive)
- self-cancels
- 2011-10-07 13:00Z
- authority
- NAVAREA XIII 52/11 29912Z SEP 11.
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
SEA OF JAPAN. HAZARDOUS OPERATIONS. 1. HAZARDOUS OPERATIONS 0200Z TO 1200Z DAILY 04 THRU 07 OCT IN AREA BETWEEN 42-00N 42-20N AND 132-20E 133-10E. 2. CANCEL THIS MSG 071300Z OCT.
Activity windows · 4 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2011-10-04 02:00Z | 2011-10-04 12:00Z | — | 10 h |
| 2011-10-05 02:00Z | 2011-10-05 12:00Z | — | 10 h |
| 2011-10-06 02:00Z | 2011-10-06 12:00Z | — | 10 h |
| 2011-10-07 02:00Z | 2011-10-07 12:00Z | — | 10 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
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.