Exercises

Hazardous operations 1700Z to 2000Z daily 20 thru 24 apr in area bound by 15-00N 178-05E, 11-30N 179-05E,…

NAVAREA XII 139/04

issued
2004-04-16 13:20Z
status
cancelled 2004-04-24 21:00Z (archive)
self-cancels
2004-04-24 21:00Z
authority
NAVAREAXI 167/04 15 APR 04
sea
North Pacific Ocean
position
12.452, 178.463
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HAZARDOUS OPERATIONS 1700Z TO 2000Z DAILY
   20 THRU 24 APR IN AREA BOUND BY
   15-00N 178-05E, 11-30N 179-05E,
   10-17N 179-00E, 10-13N 178-34E,
   14-56N 177-44E.
2. CANCEL THIS MSG 242100Z APR.

Activity windows · 5 in this warning

opens (UTC)closes (UTC)locallength
2004-04-20 17:00Z2004-04-20 20:00Z3 h
2004-04-21 17:00Z2004-04-21 20:00Z3 h
2004-04-22 17:00Z2004-04-22 20:00Z3 h
2004-04-23 17:00Z2004-04-23 20:00Z3 h
2004-04-24 17:00Z2004-04-24 20:00Z3 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

7 within 180 nm since 2004 · 0 in the last 12 months · 0 in force now

04
05
10
15
18

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.