Exercises
Hazardous operations
South China Sea · Vietnam · HYDROPAC 3769/16
- issued
- 2016-12-05 00:49Z
- status
- cancelled 2016-12-08 03:30Z (archive)
- self-cancels
- 2016-12-08 03:30Z
- authority
- HAIPHONG RADIO 050034Z DEC 16.
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
SOUTH CHINA SEA. VIETNAM. HAZARDOUS OPERATIONS. DNC 11. 1. HAZARDOUS OPERATIONS 070045Z TO 070230Z DEC, ALTERNATE 080045Z TO 080230Z DEC IN AREA BETWEEN 11-20N 12-40N AND 109-48E 110-18E. 2. CANCEL THIS MSG 080330Z DEC 16.
Activity windows · 2 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2016-12-07 00:45Z | 2016-12-07 02:30Z | — | 1 h 45 |
| 2016-12-08 00:45Z | 2016-12-08 02:30Z | — | 1 h 45 |
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.