Exercises

Gunnery exercises 120001Z to 121600Z jul, alternate 130001Z to 131600Z jul in area bound by 11-51.77N…

South China Sea · Vietnam · HYDROPAC 2378/17

issued
2017-07-10 00:07Z
status
cancelled 2017-07-13 17:00Z (archive)
self-cancels
2017-07-13 17:00Z
authority
HAIPHONG RADIO 100000Z JUL 17.
sea
South China Sea
position
11.850, 109.229
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

SOUTH CHINA SEA.
VIETNAM.
DNC 11.
1. GUNNERY EXERCISES 120001Z TO 121600Z JUL, ALTERNATE
   130001Z TO 131600Z JUL IN AREA BOUND BY
   11-51.77N 109-13.73E, 11-50.83N 109-14.50E,
   11-50.23N 109-13.67E, 11-51.07N 109-12.93E.
2. CANCEL THIS MSG 131700Z JUL 17.

Activity windows · 2 in this warning

opens (UTC)closes (UTC)locallength
2017-07-12 00:01Z2017-07-12 16:00Z15 h 59
2017-07-13 00:01Z2017-07-13 16:00Z15 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 · 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.