Exercises

Hazardous operations

Gulf of Tonkin · Vietnam · HYDROPAC 2795/13

issued
2013-09-15 00:38Z
status
cancelled 2013-09-21 23:59Z (archive)
self-cancels
2013-09-21 23:59Z
authority
HAIPHONG RADIO 150024Z SEP 13.
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

GULF OF TONKIN.
VIETNAM.
HAZARDOUS OPERATIONS.
1. HAZARDOUS OPERATIONS:
   A. 192300Z TO 212300Z SEP IN AREA BETWEEN
      20-32-42N 20-52-52N AND 107-45-48E 107-24-36E.
   B. 190001Z TO 211000Z SEP IN AREA BETWEEN
      20-48-32N 20-51-16N AND 107-07-24E 107-09-24E.
2. CANCEL THIS MSG 212359Z SEP 13.

Activity windows · 2 in this warning

opens (UTC)closes (UTC)locallength
2013-09-19 00:01Z2013-09-21 10:00Z57 h 59
2013-09-19 23:00Z2013-09-21 23:00Z48 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.