Other

Underwater ordnance detonations 260001Z to 2611OOZ jul within five miles of: a. 07-30N 108-30E

HYDROPAC 660/99

issued
1999-07-21 05:23Z
status
cancelled 1999-07-26 12:00Z (archive)
self-cancels
1999-07-26 12:00Z
authority
NRL WASHINGTON DC 111608 JUN 99
sea
South China Sea
position
6.625, 109.875
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. UNDERWATER ORDNANCE DETONATIONS 260001Z TO 2611OOZ JUL
   WITHIN FIVE MILES OF:
   A. 07-30N 108-30E.
   B. 07-00N 111-00E.
   C. 06-30N 110-30E.
   D. 05-30N 109-30E.
2. CANCEL THIS MSG 261200Z JUL.

This area · other warnings

26 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

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.