Gunnery exercises 130330Z to 130900Z may within ten miles of 37-10.4N 148-58.4E
North Pacific Ocean · HYDROPAC 954/10
What this record establishes
Archived notice · 2010-05-13 10:00Z
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) · NAVAREA XI 315/10 080743Z MAY 10.. Issued 2010-05-08 10:47Z. 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
- North Pacific Ocean. The parsed report position is 37.173, 148.973 with a 10.0 nm radius. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.
Related notices and cancellation links
- Gunnery exercises 140001Z to 140900Z may in area between 07-15N 07-45N and 120-15E 120-45Elater cancellation notice
Current notices and reporting history in the North Pacific Ocean →
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2010-05-13 03:30Z | 2010-05-13 09:00Z | — | 5 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
- 2010-05-08 10:47Z
- status
- Archived notice
- self-cancels
- 2010-05-13 10:00Z
- authority
- NAVAREA XI 315/10 080743Z MAY 10.
- NAVAREA
- NAVAREA XI · named as the source of this relay
- sea
- North Pacific Ocean
- position
- 37.173, 148.973 · r 10.0 nm
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
WESTERN NORTH PACIFIC. GUNNERY. 1. GUNNERY EXERCISES 130330Z TO 130900Z MAY WITHIN TEN MILES OF 37-10.4N 148-58.4E. 2. CANCEL THIS MSG 131000Z MAY.
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
10 within 180 nm since 2005 · 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 2100Z to 2330Z daily 29 nov thru 02 dec within 290 miles of 35-56.1N 148-39.1E2009-11-26
- Hazardous operations 252000Z to 260001Z oct within 30 miles of 36-40N 146-00E2009-10-24
- Hazardous operations 082000Z to 090400Z oct within six miles of 36-21-52N 147-12-41E2009-10-07
- Hazardous operations 2130Z to 2300Z daily 21 thru 24 jun within 280 miles of 36-16N 148-11E2009-06-18
- Hazardous operations 1800Z to 2100Z daily 26 thru 28 feb within 280 miles of 36-16N 148-11E2009-02-23
- Hazardous operations 0500Z to 0700Z daily 28 and 29 apr within 280 miles of 36-16N 148-11E2008-04-27
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 08:51Z; 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.