Exercises
Hazardous operations
South China Sea · Vietnam · HYDROPAC 3925/15
- issued
- 2015-11-30 12:52Z
- status
- cancelled 2015-12-08 00:01Z (archive)
- authority
- HAIPHONG RADIO 301237Z NOV 15.
- sea
- South China Sea
- position
- 11.754, 109.387
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
SOUTH CHINA SEA.
VIETNAM.
HAZARDOUS OPERATIONS.
DNC 11.
1. HAZARDOUS OPERATIONS:
A. 020001Z TO 020400Z DEC IN AREA BETWEEN
12-40.0N 11-20.0N AND 109-48.0E 110-18.0E.
B. 03 THRU 07 DEC IN AREA BOUND BY
11-36.2N 109-19.1E, 11-55.0N 109-25.3E,
11-54.3N 109-27.3E, 11-35.5N 109-21.1E.
2. CANCEL THIS MSG 08 DEC 15.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2015-12-02 00:01Z | 2015-12-02 04:00Z | — | 3 h 59 |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
This area · military exercises
50 within 180 nm since 2015 · 0 in the last 12 months · 0 in force now
15
19
- Gunnery exercises 070100Z to 070145Z dec, alternate 080100Z to 080145Z dec in area bound by 11-56.75N…2019-12-05
- Hazardous operations 04 dec, alternate 05 and 06 dec in area bound by 11-10N 108-55E, 11-10N 109-05E, 11-00N…2019-12-02
- Gunnery exercises 250001Z to 250230Z, alternate 260001Z to 260230Z oct, in area bound by 12-00N 109-41E,…2019-10-23
- Hazardous operations 092300Z to 101030Z in area bound by 10-04.8N 107-02.5E, 10-08.8N 107-02.5E, 10-08.8N…2019-10-09
- Hazardous operations 2300Z to 1030Z commencing daily 07 thru 09 oct in area bound by 10-08.75N 107-02.50E,…2019-10-09
- Hazardous operations 022300Z to 030300Z, alternate 032300Z to 040300Z oct in area bound by 12-11.30N…2019-10-01
Season · when military exercises happen here
J
F
M
A
M
J
J
A
S
O
N
D
month of issue, all years in the archive
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.