Exercises

Hazardous operations 021230Z to 021530Z oct, alternate 031230Z to 031530Z oct in area between 09-54.00N…

Gulf of Thailand · Vietnam · HYDROPAC 3582/18

issued: 2018-09-29 12:47Z
status: cancelled 2018-10-03 16:30Z (archive)
self-cancels: 2018-10-03 16:30Z
authority: HAIPHONG RADIO 291243Z SEP 18.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

GULF OF THAILAND.
VIETNAM.
DNC 03.
1. HAZARDOUS OPERATIONS 021230Z TO 021530Z OCT,
   ALTERNATE 031230Z TO 031530Z OCT
   IN AREA BETWEEN
   09-54.00N 09-44.00N AND 104-09.00E 103-59.00E.
2. CANCEL THIS MSG 031630Z OCT 18.

Activity windows · 2 in this warning

opens (UTC)	closes (UTC)	local	length
2018-10-02 12:30Z	2018-10-02 15:30Z	—	3 h
2018-10-03 12:30Z	2018-10-03 15:30Z	—	3 h

Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.

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.