Exercises

Hazardous operations 1900Z to 0700Z commencing daily 30 apr thru 04 may in area bound by 25-52N 179-00W,…

HYDROPAC 734/04

issued: 2004-04-25 09:50Z
status: cancelled 2004-04-30 09:10Z (archive)
self-cancels: 2004-05-05 08:00Z
authority: PACMISRANFAC 021707Z APR 04
sea: North Pacific Ocean
position: 27.153, -178.734
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HAZARDOUS OPERATIONS 1900Z TO 0700Z COMMENCING DAILY
   30 APR THRU 04 MAY IN AREA BOUND BY
   25-52N 179-00W, 26-35N 180-00W,
   28-25N 178-15W, 28-00N 177-30W.
2. CANCEL THIS MSG 050800Z MAY.

Activity windows · 5 in this warning

opens (UTC)	closes (UTC)	local	length
2004-04-30 19:00Z	2004-05-01 07:00Z	—	12 h
2004-05-01 19:00Z	2004-05-02 07:00Z	—	12 h
2004-05-02 19:00Z	2004-05-03 07:00Z	—	12 h
2004-05-03 19:00Z	2004-05-04 07:00Z	—	12 h
2004-05-04 19:00Z	2004-05-05 07:00Z	—	12 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

4 within 180 nm since 2004 · 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

Hazardous operations 0330Z to 0730Z commencing daily 01 thru 04 may in area bound by 25-52N 179-00W, 26-35N…cancelled by · 2004-04-30

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.