Exercises

Hazardous operations

Western North Pacific · Nampo Shoto · HYDROPAC 3134/14

issued
2014-10-21 11:54Z
status
cancelled 2014-10-30 10:00Z (archive)
self-cancels
2014-10-30 10:00Z
authority
NAVAREA XI 800/14 211137Z OCT 14.
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.
NAMPO SHOTO.
HAZARDOUS OPERATIONS.
DNC 12.
1. HAZARDOUS OPERATIONS 262100Z TO 270900Z OCT,
   ALTERNATE 2100Z TO 0900Z COMMENCING DAILY
   27 THRU 29 OCT WITHIN 25 MILES OF
   31-14-14N 144-26-48E.
2. CANCEL THIS MSG 301000Z OCT 14.

Activity windows · 4 in this warning

opens (UTC)closes (UTC)locallength
2014-10-26 21:00Z2014-10-27 09:00Z12 h
2014-10-27 21:00Z2014-10-28 09:00Z12 h
2014-10-28 21:00Z2014-10-29 09:00Z12 h
2014-10-29 21:00Z2014-10-30 09:00Z12 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

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.