Exercises
Hazardous operations 250130Z to 250800Z apr, alternate 260130Z to 260800Z apr in area bound by 11-51.4N…
South China Sea · Vietnam · HYDROPAC 1424/17
- issued
- 2017-04-23 01:37Z
- status
- cancelled 2017-04-26 09:00Z (archive)
- self-cancels
- 2017-04-26 09:00Z
- authority
- HAIPHONG RADIO 230129Z APR 17.
- sea
- South China Sea
- position
- 11.762, 109.341
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
SOUTH CHINA SEA. VIETNAM. DNC 11. 1. HAZARDOUS OPERATIONS 250130Z TO 250800Z APR, ALTERNATE 260130Z TO 260800Z APR IN AREA BOUND BY 11-51.4N 109-17.4E, 11-48.0N 109-26.5E, 11-40.0N 109-23.5E, 11-43.4N 109-14.4E. 2. CANCEL THIS MSG 260900Z APR 17.
Activity windows · 2 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2017-04-25 01:30Z | 2017-04-25 08:00Z | — | 6 h 30 |
| 2017-04-26 01:30Z | 2017-04-26 08:00Z | — | 6 h 30 |
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.