Exercises

Hazardous operations 0001Z to 0800Z daily 12 thru 16, 19 thru 23 and 26 thru 30 mar in area bound by 38-25N…

HYDROPAC 414/07

issued
2007-03-07 14:19Z
status
cancelled 2007-03-30 09:00Z (archive)
self-cancels
2007-03-30 09:00Z
authority
NAVAREA XI 87/07 071205Z MAR 07.
sea
Japan Sea
position
38.304, 129.171
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HAZARDOUS OPERATIONS 0001Z TO 0800Z DAILY
   12 THRU 16, 19 THRU 23 AND 26 THRU 30 MAR
   IN AREA BOUND BY
   38-25N 128-45E, 38-25N 129-30E,
   38-10N 129-30E, 38-10N 129-00E,
   38-17N 129-00E, 38-17N 128-45E.
2. CANCEL THIS MSG 300900Z MAR.

Activity windows · 5 in this warning

opens (UTC)closes (UTC)locallength
2007-03-12 00:01Z2007-03-12 08:00Z7 h 59
2007-03-13 00:01Z2007-03-13 08:00Z7 h 59
2007-03-14 00:01Z2007-03-14 08:00Z7 h 59
2007-03-15 00:01Z2007-03-15 08:00Z7 h 59
2007-03-16 00:01Z2007-03-16 08:00Z7 h 59

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

332 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now

99
00
05
10
14

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

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.