Exercises

Hazardous operations 150200Z to 181700Z aug in area bound by 10-14.5N 107-04.5E, 10-22.0N 107-11.0E,…

South China Sea · Vietnam · HYDROPAC 2741/17

issued
2017-08-12 12:51Z
status
cancelled 2017-08-18 18:00Z (archive)
self-cancels
2017-08-18 18:00Z
authority
HAIPHONG RADIO 121237Z AUG 17.
sea
South China Sea
position
10.155, 107.318
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

SOUTH CHINA SEA.
VIETNAM.
DNC 11.
1. HAZARDOUS OPERATIONS 150200Z TO 181700Z AUG
   IN AREA BOUND BY
   10-14.5N 107-04.5E, 10-22.0N 107-11.0E,
   10-04.5N 107-33.5E, 09-56.5N 107-27.0E.
2. CANCEL THIS MSG 181800Z AUG 17.

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2017-08-15 02:00Z2017-08-18 17:00Z87 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

46 within 180 nm since 2015 · 0 in the last 12 months · 0 in force now

15
19

Season · when military exercises happen here

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F
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A
M
J
J
A
S
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month of issue, all years in the archive

Nearby now · 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.