Other

Underwater ordnance detonations 0001Z to 0800Z daily 25 thru 28 oct vicinity 36-05.39N 129-30.60E

HYDROPAC 1554/00

issued
2000-10-21 02:18Z
status
cancelled 2000-10-28 09:00Z (archive)
self-cancels
2000-10-28 09:00Z
cancels
HYDROPAC 1529/00
authority
EODMU FIVE DET FIVE ONE 201000Z OCT 00
sea
Japan Sea
position
36.090, 129.510
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. UNDERWATER ORDNANCE DETONATIONS 0001Z TO 0800Z DAILY
   25 THRU 28 OCT VICINITY 36-05.39N 129-30.60E.
2. CANCEL HYDROPAC 1529/00.
3. CANCEL THIS MSG 280900Z OCT.

Activity windows · 4 in this warning

opens (UTC)closes (UTC)locallength
2000-10-25 00:01Z2000-10-25 08:00Z7 h 59
2000-10-26 00:01Z2000-10-26 08:00Z7 h 59
2000-10-27 00:01Z2000-10-27 08:00Z7 h 59
2000-10-28 00:01Z2000-10-28 08:00Z7 h 59

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.