Exercises

Hazardous operations 2200Z to 0500Z commencing daily 28 sep thru 01 oct in area bound by 09-06N 167-35E,…

HYDROPAC 1863/08

issued: 2008-09-23 05:28Z
status: cancelled 2008-09-29 09:09Z (archive)
self-cancels: 2008-10-02 06:00Z
authority: USAKA SAFETY KWAJALEIN 230400Z SEP 08.
sea: North Pacific Ocean
position: 8.946, 174.796
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HAZARDOUS OPERATIONS 2200Z TO 0500Z COMMENCING
   DAILY 28 SEP THRU 01 OCT IN AREA BOUND BY
   09-06N 167-35E, 09-21N 170-00E,
   09-42N 177-15E, 09-42N 179-12E,
   08-06N 179-12E, 08-06N 177-15E,
   08-42N 170-00E, 08-59N 167-35E.
2. CANCEL THIS MSG 020600Z OCT.

Activity windows · 4 in this warning

opens (UTC)	closes (UTC)	local	length
2008-09-28 22:00Z	2008-09-29 05:00Z	—	7 h
2008-09-29 22:00Z	2008-09-30 05:00Z	—	7 h
2008-09-30 22:00Z	2008-10-01 05:00Z	—	7 h
2008-10-01 22:00Z	2008-10-02 05:00Z	—	7 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

15 within 180 nm since 2007 · 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 HYDROPAC 1863/08 and this msg, operations completedcancelled by · 2008-09-29

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.