Exercises

Gunnery exercises: a. 262300Z to 270500Z jun in area bound by 20-52.6N 107-05.4E, 20-50.6N 107-05.8E,…

Gulf of Tonkin · Vietnam · Gunnery · HYDROPAC 1898/16

issued
2016-06-24 23:26Z
status
cancelled 2016-06-30 17:00Z (archive)
self-cancels
2016-06-30 17:00Z
authority
HAIPHONG RADIO 242258Z JUN 16.
sea
South China Sea
position
20.852, 107.092
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

GULF OF TONKIN.
VIETNAM.
GUNNERY.
DNC 23.
1. GUNNERY EXERCISES:
   A. 262300Z TO 270500Z JUN IN AREA BOUND BY
      20-52.6N 107-05.4E, 20-50.6N 107-05.8E,
      20-50.2N 107-05.4E.
   B. 300001Z TO 301600Z JUN IN AREA BETWEEN
      20-50.0N 20-41.7N AND 107-25.5E 107-32.9E.
2. CANCEL THIS MSG 301700Z JUN 16.

Activity windows · 2 in this warning

opens (UTC)closes (UTC)locallength
2016-06-26 23:00Z2016-06-27 05:00Z6 h
2016-06-30 00:01Z2016-06-30 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

27 within 180 nm since 2014 · 0 in the last 12 months · 0 in force now

14
15
19

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.