Exercises
Hazardous operations
Gulf of Tonkin · Vietnam · HYDROPAC 2117/15
- issued
- 2015-06-25 13:53Z
- status
- cancelled 2015-07-02 12:00Z (archive)
- self-cancels
- 2015-07-02 12:00Z
- authority
- HAIPHONG RADIO 251228Z 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 282300Z TO 301100Z JUN, ALTERNATE 302300Z JUN TO 021100Z JUL IN AREA BETWEEN 20-52N 20-36N AND 107-41E 107-24E. 2. CANCEL THIS MSG 021200Z JUL 15.
Activity windows · 2 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2015-06-28 23:00Z | 2015-06-30 11:00Z | — | 36 h |
| 2015-06-30 23:00Z | 2015-07-02 11:00Z | — | 36 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.