Exercises
Hazardous operations
Southern Indian Ocean · HYDROPAC 909/12
- issued
- 2012-03-30 00:00Z
- status
- cancelled 2012-04-04 08:20Z (archive)
- self-cancels
- 2012-04-06 03:04Z
- cancels
- HYDROPAC 854/12
- authority
- WESTERN RANGE OP W3953 292311Z MAR 12.
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
SOUTHERN INDIAN OCEAN. HAZARDOUS OPERATIONS. 1. HAZARDOUS OPERATIONS 0130Z TO 0204Z DAILY 03 THRU 06 APR IN AREA BETWEEN 56-45S 57-45S AND 085-00E 093-00E. 2. CANCEL HYDROPAC 854/12. 3. CANCEL THIS MSG 060304Z APR.
Activity windows · 4 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2012-04-03 01:30Z | 2012-04-03 02:04Z | — | 34 min |
| 2012-04-04 01:30Z | 2012-04-04 02:04Z | — | 34 min |
| 2012-04-05 01:30Z | 2012-04-05 02:04Z | — | 34 min |
| 2012-04-06 01:30Z | 2012-04-06 02:04Z | — | 34 min |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
Timeline
- Hazardous operationscancels · 2012-03-25
- Hazardous operationsreplaced · 2012-03-25
- Hazardous operationscancelled by · 2012-04-04
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.