Exercises
Hazardous operations
Gulf of Tonkin · Vietnam · HYDROPAC 814/16
- issued
- 2016-03-20 23:36Z
- status
- cancelled 2016-03-27 00:01Z (archive)
- self-cancels
- 2016-03-27 00:01Z
- authority
- HAIPHONG RADIO 202259Z MAR 16.
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
GULF OF TONKIN. VIETNAM. HAZARDOUS OPERATIONS. DNC 23. 1. HAZARDOUS OPERATIONS 222300Z TO 242300Z MAR, ALTERNATE 242300Z TO 262300Z MAR IN AREA BETWEEN 20-52.70N 20-40.10N AND 107-25.00E 107-36.35E. 2. CANCEL THIS MSG 270001Z MAR 16.
Activity windows · 2 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2016-03-22 23:00Z | 2016-03-24 23:00Z | — | 48 h |
| 2016-03-24 23:00Z | 2016-03-26 23:00Z | — | 48 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.