Exercises

Hazardous operations 240001Z to 240400Z aug, alternate 240700Z to 241000Z aug in area bound by 11-29.52N…

South China Sea · HYDROPAC 3079/18

issued
2018-08-22 12:49Z
status
cancelled 2018-08-24 11:00Z (archive)
self-cancels
2018-08-24 11:00Z
authority
HAIPHONG RADIO 221238Z AUG 18.
sea
South China Sea
position
11.447, 114.255
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

SOUTH CHINA SEA.
DNC 11.
1. HAZARDOUS OPERATIONS 240001Z TO 240400Z AUG,
   ALTERNATE 240700Z TO 241000Z AUG IN AREA BOUND BY
   11-29.52N 114-12.83E, 11-26.60N 114-19.78E,
   11-25.72N 114-19.75E, 11-24.97N 114-12.15E.
2. CANCEL THIS MSG 241100Z AUG 18.

Activity windows · 2 in this warning

opens (UTC)closes (UTC)locallength
2018-08-24 00:01Z2018-08-24 04:00Z3 h 59
2018-08-24 07:00Z2018-08-24 10:00Z3 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 · military exercises

19 within 180 nm since 2003 · 0 in the last 12 months · 0 in force now

03
05
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24

Season · when military exercises happen here

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F
M
A
M
J
J
A
S
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N
D

month of issue, all years in the archive

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

35 military exercises in force · see all

Exercises

Gunnery, firing and naval exercise areas. All current military exercises

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.