Exercises

Gunnery exercises 152200Z to 160900Z dec, alternate 162200Z to 170900Z dec in area within 25 miles of…

Western North Pacific · HYDROPAC 3585/21

issued
2021-12-12 00:08Z
status
cancelled 2021-12-17 10:00Z (archive)
self-cancels
2021-12-17 10:00Z
authority
NAVAREA XI 404/21 120007Z DEC 21.
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. GUNNERY EXERCISES 152200Z TO 160900Z DEC,
   ALTERNATE 162200Z TO 170900Z DEC
   IN AREA WITHIN 25 MILES OF
   31-14-14N 144-26-48E.
2. CANCEL THIS MSG 171000Z DEC 21.

Activity windows · 2 in this warning

opens (UTC)closes (UTC)locallength
2021-12-15 22:00Z2021-12-16 09:00Z11 h
2021-12-16 22:00Z2021-12-17 09:00Z11 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

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F
M
A
M
J
J
A
S
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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.