Exercises

Hazardous operations 210230Z to 210500Z feb, alternate 220230Z to 220500Z, 230230Z to 230500Z, 240230Z to…

NAVAREA XII 52/08

issued: 2008-02-16 11:20Z
status: cancelled 2008-02-21 07:31Z (archive)
self-cancels: 2008-02-25 06:00Z
authority: PACMISRANFAC HAWAREA BARKING SANDS 140432Z FEB 08.
sea: North Pacific Ocean
position: 21.297, -166.995
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HAZARDOUS OPERATIONS 210230Z TO 210500Z FEB, ALTERNATE
   220230Z TO 220500Z, 230230Z TO 230500Z, 240230Z TO 240500Z
   AND 250230Z TO 250500Z FEB IN AREA BOUND BY
   31-45N 170-12W, 28-24N 166-42W,
   23-52N 163-17W, 19-09N 161-29W,
   12-41N 161-29W, 12-39N 165-32W,
   18-42N 170-57W, 20-31N 172-30W,
   27-03N 172-06W.
2. CANCEL THIS MSG 250600Z FEB.

Activity windows · 5 in this warning

opens (UTC)	closes (UTC)	local	length
2008-02-21 02:30Z	2008-02-21 05:00Z	—	2 h 30
2008-02-22 02:30Z	2008-02-22 05:00Z	—	2 h 30
2008-02-23 02:30Z	2008-02-23 05:00Z	—	2 h 30
2008-02-24 02:30Z	2008-02-24 05:00Z	—	2 h 30
2008-02-25 02:30Z	2008-02-25 05:00Z	—	2 h 30

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

3 within 180 nm since 2005 · 0 in the last 12 months · 0 in force now

Season · when military exercises happen here

month of issue, all years in the archive

Timeline

Cancel NAVAREA XII 52/08 and this msg, operations completedcancelled by · 2008-02-21

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.