Exercises

Hazardous operations 0001Z to 0130Z daily 28 thru 31 jan within 216 miles of 31-55N 153-45E

HYDROPAC 138/08

issued: 2008-01-24 00:28Z
status: cancelled 2008-01-28 10:14Z (archive)
self-cancels: 2008-01-31 02:30Z
authority: NAVAREA XI 22/08 24 JAN 08.
sea: North Pacific Ocean
position: 31.917, 153.750 · r 216.0 nm
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HAZARDOUS OPERATIONS 0001Z TO 0130Z DAILY 28 THRU 31 JAN
   WITHIN 216 MILES OF 31-55N 153-45E.
2. CANCEL THIS MSG 310230Z JAN.

Activity windows · 4 in this warning

opens (UTC)	closes (UTC)	local	length
2008-01-28 00:01Z	2008-01-28 01:30Z	—	1 h 29
2008-01-29 00:01Z	2008-01-29 01:30Z	—	1 h 29
2008-01-30 00:01Z	2008-01-30 01:30Z	—	1 h 29
2008-01-31 00:01Z	2008-01-31 01:30Z	—	1 h 29

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

30 within 180 nm since 2001 · 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

Gunnery exercises 2200Z to 1400Z commencing daily 31 jan, 03, 04, 10 thru 14, 17 thru 21, and 24 thru 28 feb…cancelled by · 2008-01-28

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.