Exercises
Hazardous operations
Sea of Japan · HYDROPAC 1311/15
- issued
- 2015-04-18 23:42Z
- status
- cancelled 2015-04-20 23:00Z (archive)
- self-cancels
- 2015-04-20 23:00Z
- authority
- NAVAREA XI 274/15 182214Z APR 15.
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
SEA OF JAPAN. HAZARDOUS OPERATIONS. DNC 23. DNC 24. 1. HAZARDOUS OPERATIONS 201000Z TO 202200Z APR IN AREA BETWEEN 41-40N 42-15N AND 131-41E 132-49E. 2. CANCEL THIS MSG 202300Z APR 15.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2015-04-20 10:00Z | 2015-04-20 22:00Z | — | 12 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.