Exercises

Hazardous operations 022200Z to 030600Z jul in area bound by 18-59.50N 105-34.67E, 19-06.21N 105-44.23E,…

Gulf of Tonkin · Vietnam · HYDROPAC 2414/18

issued
2018-07-01 13:02Z
status
cancelled 2018-07-03 07:00Z (archive)
self-cancels
2018-07-03 07:00Z
authority
HAIPHONG RADIO 011234Z JUL 18.
sea
South China Sea
position
19.088, 105.771
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

GULF OF TONKIN.
VIETNAM.
DNC 23.
1. HAZARDOUS OPERATIONS 022200Z TO 030600Z JUL
   IN AREA BOUND BY
   18-59.50N 105-34.67E, 19-06.21N 105-44.23E,
   19-10.83N 105-48.19E, 19-09.08N 105-52.22E,
   19-04.42N 105-52.37E.
2. CANCEL THIS MSG 030700Z JUL 18.

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2018-07-02 22:00Z2018-07-03 06:00Z8 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

29 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.