Exercises
Hazardous operations 170001Z to 170230Z apr, alternate 180001Z to 180230Z apr in area bound by 12-40.00N…
South China Sea · Vietnam · HYDROPAC 1397/18
- issued
- 2018-04-12 00:48Z
- status
- cancelled 2018-04-18 03:30Z (archive)
- self-cancels
- 2018-04-18 03:30Z
- authority
- HAIPHONG RADIO 120030Z APR 18.
- sea
- South China Sea
- position
- 11.998, 110.040
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
SOUTH CHINA SEA. VIETNAM. DNC 11. 1. HAZARDOUS OPERATIONS 170001Z TO 170230Z APR, ALTERNATE 180001Z TO 180230Z APR IN AREA BOUND BY 12-40.00N 109-48.00E, 12-40.00N 110-18.00E, 11-20.00N 110-18.00E, 11-20.50N 109-48.00E. 2. TORPEDO EXERCISES IN PROGRESS UNTIL 16 APR IN AREA BOUND BY 11-48.80N 109-18.30E, 11-45.40N 109-27.75E, 11-41.60N 109-26.30E, 11-45.83N 109-16.75E. 3. CANCEL THIS MSG 180330Z APR 18.
Activity windows · 2 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2018-04-17 00:01Z | 2018-04-17 02:30Z | — | 2 h 29 |
| 2018-04-18 00:01Z | 2018-04-18 02:30Z | — | 2 h 29 |
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
46 within 180 nm since 2003 · 0 in the last 12 months · 0 in force now
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05
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15
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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 022300Z to 030300Z, alternate 032300Z to 040300Z oct in area bound by 12-11.30N…2019-10-01
- Hazardous operations 260200Z to 261600Z, and 270001Z to 271700Z sep, alternate 270200Z to 271600Z and…2019-09-24
Season · when military exercises happen here
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M
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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.