Exercises

Hazardous operations

Gulf of Tonkin · Vietnam · HYDROPAC 2742/16

issued
2016-09-10 01:31Z
status
cancelled 2016-09-15 05:00Z (archive)
self-cancels
2016-09-15 05:00Z
authority
HAIPHONG RADIO 100029Z SEP 16.
sea
South China Sea
position
18.781, 105.782
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

GULF OF TONKIN.
VIETNAM.
HAZARDOUS OPERATIONS.
DNC 23.
1. HAZARDOUS OPERATIONS 2200Z TO 0400Z COMMENCING
   DAILY 11 AND 14 SEP IN AREA BOUND BY
   18-45.50N 105-46.50E, 18-44.80N 105-48.93E,
   18-47.50N 105-48.97E, 18-48.00N 105-46.50E,
   18-49.00N 105-43.50E.
2. CANCEL THIS MSG 150500Z SEP 16.

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.