Exercises

Hazardous operations 0400Z to 1200Z daily 11 thru 14 oct in areas: a. within 35 miles of 07-25N 178-45E

HYDROPAC 1971/08

issued: 2008-10-09 02:59Z
status: cancelled 2008-10-14 13:00Z (archive)
self-cancels: 2008-10-14 13:00Z
authority: NAVAREA XI 575/08 09 OCT 08.
sea: North Pacific Ocean
position: 1.610, 179.300
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HAZARDOUS OPERATIONS 0400Z TO 1200Z DAILY
   11 THRU 14 OCT IN AREAS:
   A. WITHIN 35 MILES OF 07-25N 178-45E.
   B. WITHIN 40 MILES OF 01-34N 179-18E.
2. CANCEL HYPROPAC 1962/08.
3. CANCEL THIS MSG 141300Z OCT.

Activity windows · 4 in this warning

opens (UTC)	closes (UTC)	local	length
2008-10-11 04:00Z	2008-10-11 12:00Z	—	8 h
2008-10-12 04:00Z	2008-10-12 12:00Z	—	8 h
2008-10-13 04:00Z	2008-10-13 12:00Z	—	8 h
2008-10-14 04:00Z	2008-10-14 12:00Z	—	8 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

2 within 180 nm since 2008 · 0 in the last 12 months · 0 in force now

Hazardous operations 0400Z to 0900Z daily 11 thru 14 oct in areas: a. within 35 miles of 07-25N 178-45E2008-10-07

Season · when military exercises happen here

month of issue, all years in the archive

Timeline

Hazardous operations 0400Z to 0900Z daily 11 thru 14 oct in areas: a. within 35 miles of 07-25N 178-45Ereplaced · 2008-10-07

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.