Exercises
Hazardous operations 230001Z to 230400Z nov in areas between: a. 10-18.94N 10-22.94N and 107-20.11E 107-24.11E
South China Sea · Vietnam · HYDROPAC 4064/17
- issued
- 2017-11-22 00:46Z
- status
- cancelled 2017-11-23 05:00Z (archive)
- self-cancels
- 2017-11-23 05:00Z
- authority
- HAIPHONG RADIO 220040Z NOV 17.
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
SOUTH CHINA SEA. VIETNAM. DNC 11. 1. HAZARDOUS OPERATIONS 230001Z TO 230400Z NOV IN AREAS BETWEEN: A. 10-18.94N 10-22.94N AND 107-20.11E 107-24.11E. B. 10-11.94N 10-15.94N AND 107-10.11E 107-14.11E. 2. CANCEL THIS MSG 230500Z NOV 17.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2017-11-23 00:01Z | 2017-11-23 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.
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.