Gunnery exercises: a. 031930Z to 040200Z dec within five miles of 52-34N 153-16W
North Pacific Ocean · NAVAREA XII 560/09
What this record establishes
Archived notice · 2009-12-05 03:00Z
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) · CCGD17 461/09 271738Z NOV 09.. Issued 2009-11-29 08:38Z. 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
- North Pacific Ocean. The map shows an area described by the warning; the listed coordinate is its representative center. Check the original wording for limits and qualifications.
Current notices and reporting history in the North Pacific Ocean →
Activity windows · 2 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2009-12-03 19:30Z | 2009-12-04 02:00Z | — | 6 h 30 |
| 2009-12-04 19:30Z | 2009-12-05 02:00Z | — | 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.
- issued
- 2009-11-29 08:38Z
- status
- Archived notice
- self-cancels
- 2009-12-05 03:00Z
- authority
- CCGD17 461/09 271738Z NOV 09.
- NAVAREA
- NAVAREA XII
- sea
- North Pacific Ocean
- position
- 52.572, -153.267
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
1. GUNNERY EXERCISES:
A. 031930Z TO 040200Z DEC WITHIN
FIVE MILES OF 52-34N 153-16W.
B. 041930Z TO 050200Z DEC WITHIN
FIVE MILES OF 46-40N 154-34W.
2. CANCEL THIS MSG 050300Z DEC.
Reading this warning
- Gunnery and live firing
- Naval or coastal guns firing into a sea area for practice, at stated times.
- 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.
- Within a radius of
- A circular area — every position within a stated distance of a point.
- 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.
Collected reports in this area · military exercises
5 within 180 nm since 2009 · 0 in the last 12 months · 0 listed in force now
Counts include repeat notices about the same situation. NGA archive coverage ends 2024-05; live collection began 2026-08-17. The period between them is incomplete. An empty year is not evidence that no hazards occurred.
- Hazardous operations 0530Z to 1100Z daily 16 thru 18 jul in area bound by a. 57-25N 152-24W, 57-05N 152-47W,…2019-07-12
- Gunnery exercises 252000Z to 260300Z may within 12000 yards of: a. 54-15N 158-00W2015-05-24
- Gunnery exercises 021800Z to 030100Z dec within 12 miles of: a. 58-45.0N 150-50.0W2014-11-30
- Gunnery exercises 222200Z to 230200Z jul within 12 miles of 49-48N 153-44W2014-07-19
Month of issue in the collected archive
All available years combined. Uneven collection and repeat bulletins affect these counts; this chart does not measure the seasonality or probability of incidents.
Nearby notices listed in force · within 120 nm
No other collected notice is currently listed in force within this radius. This does not establish safe conditions.
Worldwide in the collected sources
10 military exercises listed in force · see all
Record snapshot 2026-10-03 05:10Z; 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.