Exercises

Hazardous operations 0100Z to 0300Z and 0500Z to 0800Z daily 01 thru 03 nov in area bound by 42-15N 131-00E,…

HYDROPAC 1861/07

issued
2007-10-28 01:30Z
status
cancelled 2007-11-03 09:00Z (archive)
self-cancels
2007-11-03 09:00Z
authority
NAVAREA XI 495/07 28 OCT 07.
sea
Japan Sea
position
42.270, 131.285
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HAZARDOUS OPERATIONS 0100Z TO 0300Z AND 0500Z TO 0800Z
   DAILY 01 THRU 03 NOV IN AREA BOUND BY
   42-15N 131-00E, 42-30N 131-00E,
   42-30N 131-30E, 41-53N 131-30E.
2. CANCEL THIS MSG 030900Z NOV.

Activity windows · 6 in this warning

opens (UTC)closes (UTC)locallength
2007-11-01 01:00Z2007-11-01 03:00Z2 h
2007-11-01 05:00Z2007-11-01 08:00Z3 h
2007-11-02 01:00Z2007-11-02 03:00Z2 h
2007-11-02 05:00Z2007-11-02 08:00Z3 h
2007-11-03 01:00Z2007-11-03 03:00Z2 h
2007-11-03 05:00Z2007-11-03 08:00Z3 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

235 within 180 nm since 1999 · 2 in the last 12 months · 2 in force now

99
00
05
10
15
20
25
26

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.