Other

Underwater ordnance detonations 150001Z to 150900Z mar within five miles of: a. 19-30N 114-30E

HYDROPAC 184/99

issued
1999-03-10 09:20Z
status
cancelled 1999-03-15 00:00Z (archive)
self-cancels
1999-03-15 10:00Z
cancels
HYDROPAC 173/99
sea
South China Sea
position
19.625, 115.250
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. UNDERWATER ORDNANCE DETONATIONS 150001Z TO 150900Z MAR
   WITHIN FIVE MILES OF:
   A. 19-30N 114-30E.
   B. 19-45N 116-00E.
2. CANCEL HYDROPAC 173/99(81), OPERATIONS COMPLETED.
3. CANCEL THIS MSG 151000Z MAR.

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
1999-03-15 00:01Z1999-03-15 09:00Z8 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

28 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.