Exercises

Hazardous operations 2100Z to 0800Z daily 30 jan thru 01 feb in area within 25 miles of 31-14.23N 144-26.80E

Western North Pacific · HYDROPAC 316/24

issued
2024-01-26 12:21Z
status
cancelled 2024-02-02 09:00Z (archive)
self-cancels
2024-02-02 09:00Z
authority
NAVAREA XI 31/24 261201Z JAN 24.
sea
North Pacific Ocean
position
31.237, 144.447 · r 25.0 nm
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN NORTH PACIFIC.
DNC 12.
1. HAZARDOUS OPERATIONS 2100Z TO 0800Z DAILY
   30 JAN THRU 01 FEB IN AREA WITHIN 25 MILES
   OF 31-14.23N 144-26.80E.
2. CANCEL THIS MSG 020900Z FEB 24.

Activity windows · 3 in the telegram

opens (UTC)closes (UTC)local (UTC)length
2024-01-30 21:00Z2024-01-31 08:00ZJan 30, 21:00Jan 31, 08:0011 h
2024-01-31 21:00Z2024-02-01 08:00ZJan 31, 21:00Feb 01, 08:0011 h
2024-02-01 21:00Z2024-02-02 08:00ZFeb 01, 21:00Feb 02, 08:0011 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

131 within 180 nm since 2006 · 0 in the last 12 months · 0 in force now

06
10
15
20
24

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.