Other

Underwater ordnance detonations 292300Z to 300600Z apr vicinity of tracklines between: a. 14-41.5N 146-03.9E…

HYDROPAC 742/03

issued
2003-04-27 11:10Z
status
cancelled 2003-04-30 07:00Z (archive)
self-cancels
2003-04-30 07:00Z
cancels
HYDROPAC 712/03
authority
CTF 72 260655Z APR 03; NAVAREA X 262219Z APR 03
sea
North Pacific Ocean
position
14.517, 146.367
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. UNDERWATER ORDNANCE DETONATIONS 292300Z TO
   300600Z APR VICINITY OF TRACKLINES BETWEEN:
   A. 14-41.5N 146-03.9E AND 14-41.5N 146-40.1E.
   B. 14-20.5N 146-40.1E AND 14-20.5N 146-03.9E.
2. CANCEL HYDROPAC 712/03(74).
3. CANCEL THIS MSG 300700Z APR.

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2003-04-29 23:00Z2003-04-30 06:00Z7 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

131 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
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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.