Exercises

Hazardous operations 0300Z to 0500Z and 0700Z to 0900Z daily 03 thru 06 oct in area bound by 41-31N 131-50E,…

HYDROPAC 1431/00

issued
2000-09-28 10:05Z
status
cancelled 2000-10-06 10:00Z (archive)
self-cancels
2000-10-06 10:00Z
authority
NAVAREA XIII 060/00 280915Z SEP 00
sea
Japan Sea
position
42.155, 132.358
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HAZARDOUS OPERATIONS 0300Z TO 0500Z AND 0700Z TO 0900Z
   DAILY 03 THRU 06 OCT IN AREA BOUND BY 41-31N 131-50E,
   42-36N 131-43E, 42-38N 132-23E, 42-38N 132-49E,
   42-25N 133-12E, 41-43N 132-43E.
2. CANCEL THIS MSG 061000Z OCT.

Activity windows · 8 in this warning

opens (UTC)closes (UTC)locallength
2000-10-03 03:00Z2000-10-03 05:00Z2 h
2000-10-03 07:00Z2000-10-03 09:00Z2 h
2000-10-04 03:00Z2000-10-04 05:00Z2 h
2000-10-04 07:00Z2000-10-04 09:00Z2 h
2000-10-05 03:00Z2000-10-05 05:00Z2 h
2000-10-05 07:00Z2000-10-05 09:00Z2 h
2000-10-06 03:00Z2000-10-06 05:00Z2 h
2000-10-06 07:00Z2000-10-06 09:00Z2 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

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.