Gunnery exercises 142000Z to 150001Z and 152000Z to 160001Z apr within 10000 yards of 59-58N 146-10W
Gulf of Alaska · NAVAREA XII 151/11
What this record establishes
Archived notice · 2011-04-16 01:01Z
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) · COMCOGARD SECTOR ANCHORAGE 36/11 121051Z APR 11.. Issued 2011-04-13 07:25Z. 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 59.967, -146.167 with a 4.9 nm radius. 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 · 2 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2011-04-14 20:00Z | 2011-04-15 00:01Z | — | 4 h 01 |
| 2011-04-15 20:00Z | 2011-04-16 00:01Z | — | 4 h 01 |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2011-04-13 07:25Z
- status
- Archived notice
- self-cancels
- 2011-04-16 01:01Z
- authority
- COMCOGARD SECTOR ANCHORAGE 36/11 121051Z APR 11.
- NAVAREA
- NAVAREA XII
- issued by
- COMCOGARD SECTOR ANCHORAGE
- sea
- Gulf of Alaska
- position
- 59.967, -146.167 · r 4.9 nm
- 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 142000Z TO 150001Z AND 152000Z TO 160001Z APR WITHIN 10000 YARDS OF 59-58N 146-10W. 2. CANCEL THIS MSG 160101Z APR.
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.
- 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
8 within 180 nm since 2011 · 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.
- Gunnery exercises 140200Z to 140600Z apr within five miles of 59-50N 145-56W2015-04-12
- 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 212300Z to 220200Z jul within five miles of 58-47N 151-09W2014-07-19
- Gunnery exercises: a. 142100Z to 150300Z jul in 59-26N 147-45W2011-07-12
- Gunnery exercises 170300Z to 170500Z jun within 18 miles of: a. 57-30N 146-00W2011-06-13
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
- 601 port ave, seward, ak 99664, USASpills · 98.5 nm
Worldwide in the collected sources
28 military exercises listed in force · see all
Record snapshot 2026-10-01 22:28Z; 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.