Exercises
Hazardous operations
Gulf of Tonkin · Vietnam · HYDROPAC 2730/14
- issued
- 2014-09-15 13:20Z
- status
- cancelled 2014-09-25 12:00Z (archive)
- self-cancels
- 2014-09-25 12:00Z
- authority
- HAIPHONG RADIO 151230Z SEP 14.
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
GULF OF TONKIN. VIETNAM. HAZARDOUS OPERATIONS. 1. HAZARDOUS OPERATIONS 2300Z TO 1100Z COMMENCING DAILY 19 THRU 24 SEP IN AREA BETWEEN 20-52-52N 20-32-42N AND 107-24-36E 107-45-48E. 2. CANCEL THIS MSG 251200Z SEP 14.
Activity windows · 6 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2014-09-19 23:00Z | 2014-09-20 11:00Z | — | 12 h |
| 2014-09-20 23:00Z | 2014-09-21 11:00Z | — | 12 h |
| 2014-09-21 23:00Z | 2014-09-22 11:00Z | — | 12 h |
| 2014-09-22 23:00Z | 2014-09-23 11:00Z | — | 12 h |
| 2014-09-23 23:00Z | 2014-09-24 11:00Z | — | 12 h |
| 2014-09-24 23:00Z | 2014-09-25 11:00Z | — | 12 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.