Other

Underwater ordnance detonations 180400Z to 180700Z dec within one mile of 06-11N 107-25E

HYDROPAC 2031/01

issued
2001-12-13 14:30Z
status
cancelled 2001-12-18 08:00Z (archive)
self-cancels
2001-12-18 08:00Z
cancels
HYDROPAC 2030/01
authority
EODMU FIVE DET THREE 070829Z DEC 01; JAPAN COAST GUARD POR EGC 402 EGC 131245Z DEC 01
sea
South China Sea
position
6.183, 107.417 · r 1.0 nm
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. UNDERWATER ORDNANCE DETONATIONS 180400Z TO 180700Z DEC
   WITHIN ONE MILE OF 06-11N 107-25E.
2. CANCEL HYDROPAC 2030/01(81).
3. CANCEL THIS MSG 180800Z DEC.

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2001-12-18 04:00Z2001-12-18 07:00Z3 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 · other warnings

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

99
00
05
10
15
20
23

Season · when other warnings 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

Worldwide now

34 other warnings in force · see all

Other

Everything the classifier did not place elsewhere. All current other warnings

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.