Other

Underwater ordnance detonations 212200Z to 221000Z and 222200Z to 231000Z mar within 0.5 miles of 36-01.4N…

HYDROPAC 474/03

issued
2003-03-17 14:47Z
status
cancelled 2003-03-23 11:00Z (archive)
self-cancels
2003-03-23 11:00Z
cancels
HYDROPAC 468/03
authority
EODMU FIVE DET FIVE ONE 060010Z MAR 03
sea
Japan Sea
position
36.023, 129.463 · r 0.5 nm
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. UNDERWATER ORDNANCE DETONATIONS 212200Z TO 221000Z
   AND 222200Z TO 231000Z MAR WITHIN 0.5 MILES OF
   36-01.4N 129-27.8E.
2. CANCEL HYDROPAC 468/03, MSG NOT PROMULGATED.
3. CANCEL THIS MSG 231100Z MAR.

Activity windows · 2 in this warning

opens (UTC)closes (UTC)locallength
2003-03-21 22:00Z2003-03-22 10:00Z12 h
2003-03-22 22:00Z2003-03-23 10:00Z12 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

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

99
00
05
10
11

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

Nothing else in force 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.