Exercises
Hazardous operations 172300Z to 181100Z aug, alternate 2300Z to 1100Z commencing daily 18 thru 20 aug in…
HYDROPAC 1450/09
What this record establishes
Archived notice · 2009-08-19 14:51Z
This notice comes from the historical archive. Its archived status does not establish when or how the reported situation ended.
- Source and dates
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · XV 87/09 140210Z AUG 09.. Issued 2009-08-14 13:59Z. First collected 2026-08-17 13:38Z; last seen in collection 2026-08-17 15:46Z. Collection dates record ingestion, not a new incident or a fresh field observation.
- Location covered
- No named location parsed. No usable coordinates were parsed; a location-based nearby search is unavailable. Check the original wording for limits and qualifications.
Related notices and cancellation links
Activity windows · 4 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2009-08-17 23:00Z | 2009-08-18 11:00Z | — | 12 h |
| 2009-08-18 23:00Z | 2009-08-19 11:00Z | — | 12 h |
| 2009-08-19 23:00Z | 2009-08-20 11:00Z | — | 12 h |
| 2009-08-20 23:00Z | 2009-08-21 11:00Z | — | 12 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2009-08-14 13:59Z
- status
- Archived notice
- self-cancels
- 2009-08-21 12:00Z
- authority
- XV 87/09 140210Z AUG 09.
- issued by
- XV
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
1. HAZARDOUS OPERATIONS 172300Z TO 181100Z AUG, ALTERNATE 2300Z TO 1100Z COMMENCING DAILY 18 THRU 20 AUG IN AREA BETWEEN 36-29S 36-45S AND 073-51W 073-26W. 2. CANCEL THIS MSG 211200Z AUG.
Reading this warning
- Hazardous operations
- NGA's heading for activities that make an area dangerous — most often rocket launches, space debris and weapons firings, and some open-ended danger areas.
- Date-time group (DTG)
- A compact UTC timestamp — day, hour and minute followed by Z — such as 201500Z for the 20th at 15:00 UTC.
- Position (degrees and minutes)
- How warnings write positions: degrees, a hyphen, then minutes, with N/S and E/W — 49-40.8N 003-43.8W.
- CANCEL THIS MSG
- The warning's own expiry: a line telling the reader when the message cancels itself.
Nearby notices listed in force · within 120 nm
No parsed position is available for this comparison.
Worldwide in the collected sources
9 military exercises listed in force · see all
Record snapshot 2026-10-03 22:33Z; source collection times vary.
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.