Exercises

Gunnery exercises: a. 2330Z to 1000Z commencing daily 09 thru 14 oct, alternate 152330Z to 161000Z oct in…

South China Sea · Vietnam · HYDROPAC 3434/17

issued
2017-10-08 03:04Z
status
cancelled 2017-10-16 11:00Z (archive)
self-cancels
2017-10-16 11:00Z
authority
HAIPHONG RADIO 072329Z OCT 17.
sea
South China Sea
position
11.956, 109.288
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

SOUTH CHINA SEA.
VIETNAM.
DNC 11.
1. GUNNERY EXERCISES:
   A. 2330Z TO 1000Z COMMENCING DAILY 09 THRU 14 OCT,
      ALTERNATE 152330Z TO 161000Z OCT
      IN AREA BOUND BY
      11-57.33N 109-15.93E, 11-56.52N 109-16.17E,
      11-56.67N 109-18.77E, 11-58.80N 109-17.63E.
   B. 131000Z TO 131300Z OCT,
      ALTERNATE 141000Z TO 141300Z OCT
      IN AREA BETWEEN
      12-00.00N 11-50.00N AND 109-30.00E 109-20.00E.
2. CANCEL THIS MSG 161100Z OCT 17.

Activity windows · 9 in this warning

opens (UTC)closes (UTC)locallength
2017-10-09 23:30Z2017-10-10 10:00Z10 h 30
2017-10-10 23:30Z2017-10-11 10:00Z10 h 30
2017-10-11 23:30Z2017-10-12 10:00Z10 h 30
2017-10-12 23:30Z2017-10-13 10:00Z10 h 30
2017-10-13 10:00Z2017-10-13 13:00Z3 h
2017-10-13 23:30Z2017-10-14 10:00Z10 h 30
2017-10-14 10:00Z2017-10-14 13:00Z3 h
2017-10-14 23:30Z2017-10-15 10:00Z10 h 30
1 more

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

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

15
20
22

Season · when military exercises 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

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.