Exercises
Hazardous operations 122330Z to 131530Z dec, alternate 132330Z to 141530Z dec in area bound by 11-59.02N…
South China Sea · Vietnam · HYDROPAC 4404/18
- issued
- 2018-12-11 01:16Z
- status
- cancelled 2018-12-14 16:30Z (archive)
- self-cancels
- 2018-12-14 16:30Z
- authority
- HAIPHONG RADIO 110044Z DEC 18.
- sea
- South China Sea
- position
- 11.969, 109.299
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
SOUTH CHINA SEA. VIETNAM. DNC 11. 1. HAZARDOUS OPERATIONS 122330Z TO 131530Z DEC, ALTERNATE 132330Z TO 141530Z DEC IN AREA BOUND BY 11-59.02N 109-15.07E, 12-00.92N 109-19.88E, 11-56.18N 109-19.97E, 11-55.90N 109-16.60E. 2. CANCEL THIS MSG 141630Z DEC 18.
Activity windows · 2 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2018-12-12 23:30Z | 2018-12-13 15:30Z | — | 16 h |
| 2018-12-13 23:30Z | 2018-12-14 15:30Z | — | 16 h |
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
51 within 180 nm since 2015 · 0 in the last 12 months · 0 in force now
15
20
22
- Hazardous operations 1700Z to 2100Z daily 15 thru 19 apr in area bound by 15-13-12N 109-38-10E, 15-11-20N…2022-04-11
- 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
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.