Gunnery exercises 160300Z to 160500Z jun within 18 miles of: a. 57-30N 146-00W
Gulf of Alaska · NAVAREA XII 228/11
What this record establishes
Archived notice · 2011-06-16 06:00Z
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) · COMGARD SECTOR ANCHORAGE 116/11 131832Z JUN 11.. Issued 2011-06-13 20:44Z. 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
- Gulf of Alaska. The parsed report position is 57.750, -146.000. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.
Current notices and reporting history in the Gulf of Alaska →
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2011-06-16 03:00Z | 2011-06-16 05:00Z | — | 2 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2011-06-13 20:44Z
- status
- Archived notice
- self-cancels
- 2011-06-16 06:00Z
- authority
- COMGARD SECTOR ANCHORAGE 116/11 131832Z JUN 11.
- NAVAREA
- NAVAREA XII
- issued by
- COMGARD SECTOR ANCHORAGE
- sea
- Gulf of Alaska
- position
- 57.750, -146.000
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
NORTH PACIFIC. ALASKA. GUNNERY. 1. GUNNERY EXERCISES 160300Z TO 160500Z JUN WITHIN 18 MILES OF: A. 57-30N 146-00W. B. 58-00N 146-00W. 2. CANCEL THIS MSG 160600Z JUN.
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
13 within 180 nm since 2010 · 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 100300Z to 100930Z jul, alternate 0300Z to 0930Z daily 11 thru 13 jul in areas bound…2017-07-05
- Gunnery exercises 140200Z to 140600Z apr within five miles of 59-50N 145-56W2015-04-12
- Gunnery exercises 191600Z to 200200Z mar within five miles of 57-26N 151-27W2015-03-18
- Gunnery exercises 301800Z to 302100Z sep within five miles of 58-47N 151-09W2014-09-29
- Gunnery exercises 300100Z to 300400Z sep within five miles of 58-47.0N 151-09.1W2014-09-26
- Gunnery exercises 222200Z to 230100Z aug within 10,000 yards of 57-26N 151-27W2014-08-21
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
28 military exercises listed in force · see all
Record snapshot 2026-10-02 14:22Z; 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.