Exercises

Hazardous operations 170530Z to 170730Z feb, alternate 180530Z to 180730Z and 190500Z to 190700Z feb in area…

NAVAREA XII 47/08

issued: 2008-02-12 06:38Z
status: cancelled 2008-02-13 07:29Z (archive)
self-cancels: 2008-02-19 08:00Z
authority: PACMISRANFAC HAWAREA 120339Z FEB 08.
sea: North Pacific Ocean
position: 24.691, -170.669
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HAZARDOUS OPERATIONS 170530Z TO 170730Z FEB, ALTERNATE
   180530Z TO 180730Z AND 190500Z TO 190700Z FEB
   IN AREA BOUND BY
   33-29N 172-33W, 29-07N 168-23W, 24-25N 166-31W,
   17-56N 166-31W, 17-53N 170-40W, 19-58N 172-33W,
   22-14N 174-52W, 28-48N 174-28W.
2. CANCEL THIS MSG 190800Z FEB.

Activity windows · 3 in this warning

opens (UTC)	closes (UTC)	local	length
2008-02-17 05:30Z	2008-02-17 07:30Z	—	2 h
2008-02-18 05:30Z	2008-02-18 07:30Z	—	2 h
2008-02-19 05:00Z	2008-02-19 07:00Z	—	2 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

3 within 180 nm since 2008 · 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 47/08 and this msg, operations postponedcancelled by · 2008-02-13

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.