Other

Underwater ordnance detonations 090001Z to 090500Z dec vicinity 13-27.7N 144-38.5E

HYDROPAC 1351/99

issued
1999-12-04 10:48Z
status
cancelled 1999-12-09 06:00Z (archive)
self-cancels
1999-12-09 06:00Z
authority
EODMU FIVE DET FIVE THREE 301603Z NOV 99; COMSEVENTHFLT 040240Z DEC 99
sea
Philippine Sea
position
13.462, 144.642
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. UNDERWATER ORDNANCE DETONATIONS 090001Z TO 090500Z DEC
   VICINITY 13-27.7N 144-38.5E.
2. CANCEL THIS MSG 090600Z DEC.

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
1999-12-09 00:01Z1999-12-09 05:00Z4 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

127 within 180 nm since 1999 · 2 in the last 12 months · 2 in force now

99
00
05
10
15
20
25
26

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

Nearby now · within 120 nm

Worldwide now

35 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.