Gunnery exercises 101700Z to 110001Z dec within 10000 yards of: a. 55-32.44N 159-09.45W
Gulf of Alaska · NAVAREA XII 580/09
What this record establishes
Archived notice · 2009-12-11 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) · CCGD17 472/09 090635Z DEC 09.. Issued 2009-12-09 08:05Z. 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 56.018, -157.171. 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 |
|---|---|---|---|
| 2009-12-10 17:00Z | 2009-12-11 00:01Z | — | 7 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
- 2009-12-09 08:05Z
- status
- Archived notice
- self-cancels
- 2009-12-11 01:01Z
- authority
- CCGD17 472/09 090635Z DEC 09.
- NAVAREA
- NAVAREA XII
- sea
- Gulf of Alaska
- position
- 56.018, -157.171
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
1. GUNNERY EXERCISES 101700Z TO 110001Z DEC WITHIN 10000 YARDS OF: A. 55-32.44N 159-09.45W. B. 55-48.24N 158-14.12W. C. 56-25.29N 156-01.09W. D. 56-18.36N 155-16.33W. 2. CANCEL THIS MSG 110101Z 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.
- 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
9 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 292200Z to 300330Z aug, alternate 2200Z to 0330Z daily 30 aug thru 02 sep in area bound…2022-08-24
- Gunnery and pyrotechnic operations 231600Z to 240001Z sep in area within 21 miles of 54-13N 158-10W2017-09-22
- Gunnery exercise 282200Z to 290700Z may within 30000 yards of 54-15N 158-00W2015-05-28
- Gunnery exercise 272200Z to 280700Z may within 30000 yards of 54-15N 158-00W2015-05-26
- Gunnery exercises 252000Z to 260300Z may within 12000 yards of: a. 54-15N 158-00W2015-05-24
- Gunnery exercises 201800Z to 202000Z jul within 15 miles of 54-12N 160-53W2014-07-19
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
28 military exercises listed in force · see all
Record snapshot 2026-10-01 11:37Z; 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.