Exercises

Hazardous operations 2300Z to 0200Z commencing daily 19 thru 21 aug in area bound by 26-23N 128-20E, 27-06N…

HYDROPAC 1421/03

issued
2003-08-19 12:15Z
status
cancelled 2003-08-22 03:00Z (archive)
self-cancels
2003-08-22 03:00Z
authority
USS CURTIS WILBUR 190514Z AUG 03
sea
Philippine Sea
position
26.657, 129.900
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HAZARDOUS OPERATIONS 2300Z TO 0200Z COMMENCING DAILY
   19 THRU 21 AUG IN AREA BOUND BY 26-23N 128-20E,
   27-06N 129-10E, 27-06N 131-00E, 26-10N 131-00E.
2. CANCEL THIS MSG 220300Z AUG.

Activity windows · 3 in this warning

opens (UTC)closes (UTC)locallength
2003-08-19 23:00Z2003-08-20 02:00Z3 h
2003-08-20 23:00Z2003-08-21 02:00Z3 h
2003-08-21 23:00Z2003-08-22 02:00Z3 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

16 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now

99
00
05
10
12

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

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.