Gunnery and pyrotechnic operations 242000Z to 250400Z aug in area within 500 yards of 52-54N 172-07W
Bering Sea · NAVAREA XII 355/18
What this record establishes
Archived notice · 2018-08-25 05:00Z
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) · COMCOGARD SECTOR ANCHORAGE 99/18 240133Z AUG 18.. Issued 2018-08-24 02:47Z. 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
- Bering Sea. The parsed report position is 52.900, -172.117 with a 0.2 nm radius. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2018-08-24 20:00Z | 2018-08-25 04:00Z | — | 8 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2018-08-24 02:47Z
- status
- Archived notice
- self-cancels
- 2018-08-25 05:00Z
- authority
- COMCOGARD SECTOR ANCHORAGE 99/18 240133Z AUG 18.
- NAVAREA
- NAVAREA XII
- issued by
- COMCOGARD SECTOR ANCHORAGE
- sea
- Bering Sea
- position
- 52.900, -172.117 · r 0.2 nm
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
BERING SEA. ALASKA. 1. GUNNERY AND PYROTECHNIC OPERATIONS 242000Z TO 250400Z AUG IN AREA WITHIN 500 YARDS OF 52-54N 172-07W. 2. CANCEL THIS MSG 250500Z AUG 18.
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
21 within 180 nm since 2007 · 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 2200Z to 0530Z daily 02 thru 10 sep in areas bound by: a. 52-14.00N 167-01.00W,…2023-08-31
- Hazardous operations 2200Z to 0530Z daily 31 aug thru 08 sep in areas bound by: a. 52-14.00N 167-01.00W,…2023-08-29
- Hazardous operations 2200Z to 0530Z daily 31 aug thru 08 sep in areas bound by: a. 49-38.00N 172-42.00W,…2023-08-27
- Hazardous operations 2200Z to 0530Z daily 27 thru 30 aug in areas bound by: a. 49-38.00N 172-42.00W,…2023-08-22
- Gunnery exercises 051800Z to 052359Z nov in area within five miles of 55-29.99N 171-30.00W2022-11-03
- Hazardous operations 302200Z to 310330Z aug, alternate 2200Z to 0330Z daily 31 aug thru 04 sep in area bound…2022-08-30
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 07:55Z; 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.