Exercises

Hazardous operations 2100Z to 0900Z daily 30, 31 aug, 02 and 04 sep, alternate 2100Z to 0900Z daily 01, 03…

Western North Pacific · HYDROPAC 2437/21

issued
2021-08-26 11:38Z
status
cancelled 2021-09-10 10:00Z (archive)
self-cancels
2021-09-10 10:00Z
authority
NAVAREA XI 266/21 261136Z AUG 21.
sea
North Pacific Ocean
position
31.237, 144.447 · r 25.0 nm
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN NORTH PACIFIC.
DNC 12.
1. HAZARDOUS OPERATIONS 2100Z TO 0900Z DAILY 30,
   31 AUG, 02 AND 04 SEP, ALTERNATE 2100Z TO 0900Z
   DAILY 01, 03 AND 05 THRU 09 SEP IN AREA
   WITHIN 25 MILES OF 31-14-14N 144-26-48E.
2. CANCEL THIS MSG 101000Z SEP 21.

This area · military exercises

131 within 180 nm since 2006 · 0 in the last 12 months · 0 in force now

06
10
15
20
24

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

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.