Exercises

Hazardous operations 2230Z to 2330Z daily 17 thru 20 nov within 216 miles of 31-55N 153-45E

HYDROPAC 2001/07

issued
2007-11-15 09:14Z
status
cancelled 2007-11-21 00:30Z (archive)
self-cancels
2007-11-21 00:30Z
cancels
HYDROPAC 1923/07
authority
NAVAREA XI 524/07 15 NOV 07.
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 2230Z TO 2330Z DAILY 17 THRU 20 NOV
   WITHIN 216 MILES OF 31-55N 153-45E.
2. CANCEL HYDROPAC 1923/07(74), OPERATIONS COMPLETED.
3. CANCEL THIS MSG 210030Z NOV.

Activity windows · 4 in this warning

opens (UTC)closes (UTC)locallength
2007-11-17 22:30Z2007-11-17 23:30Z1 h
2007-11-18 22:30Z2007-11-18 23:30Z1 h
2007-11-19 22:30Z2007-11-19 23:30Z1 h
2007-11-20 22:30Z2007-11-20 23:30Z1 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

30 within 180 nm since 2001 · 0 in the last 12 months · 0 in force now

01
05
09

Season · when military exercises happen here

J
F
M
A
M
J
J
A
S
O
N
D

month of issue, all years in the archive

Timeline

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.