Exercises
Hazardous operations
Gulf of Tonkin · Vietnam · HYDROPAC 2109/15
- issued
- 2015-06-25 06:34Z
- status
- cancelled 2015-07-02 09:00Z (archive)
- self-cancels
- 2015-07-02 09:00Z
- authority
- HAIPHONG RADIO 241238Z JUN 15.
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
GULF OF TONKIN. VIETNAM. HAZARDOUS OPERATIONS. DNC 23. 1. HAZARDOUS OPERATIONS 300200Z TO 300800Z JUN, ALTERNATE 0200Z TO 0800Z DAILY 01 AND 02 JUL IN AREA BETWEEN 20-52N 20-36N AND 107-41E 107-24E. 2. CANCEL THIS MSG 020900Z JUL 15.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2015-06-30 02:00Z | 2015-06-30 08:00Z | — | 6 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.