Gunnery exercises 062100Z to 070900Z apr in area bound by 12-50N 145-10E, 11-25N 147-00E, 10-30N 147-00E,…
North Pacific Ocean · HYDROPAC 922/22
What this record establishes
Archived notice · 2022-04-06 11:56Z
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 GUAM 144/22 060516Z APR 22.. Issued 2022-04-06 05:29Z. 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 map shows an area described by the warning; the listed coordinate is its representative center. Check the original wording for limits and qualifications.
Related notices and cancellation links
- Cancel HYDROPAC 922/22, 925/22(61) and this msglater cancellation notice
Current notices and reporting history in the North Pacific Ocean →
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2022-04-06 21:00Z | 2022-04-07 09:00Z | — | 12 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2022-04-06 05:29Z
- status
- Archived notice
- self-cancels
- 2022-04-07 10:00Z
- authority
- COMCOGARD SECTOR GUAM 144/22 060516Z APR 22.
- issued by
- COMCOGARD SECTOR GUAM
- sea
- North Pacific Ocean
- position
- 11.415, 145.947
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
WESTERN NORTH PACIFIC. GUAM. DNC 12. 1. GUNNERY EXERCISES 062100Z TO 070900Z APR IN AREA BOUND BY 12-50N 145-10E, 11-25N 147-00E, 10-30N 147-00E, 10-30N 145-20E, 12-50N 145-00E. 2. CANCEL THIS MSG 071000Z APR 22.
Reading this warning
- DNC (Digital Nautical Chart)
- A reference to one of the regions of NGA's Digital Nautical Chart, used to tell the reader which charts a warning affects.
- 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.
- Area bound by
- Introduces a list of positions that are the corners of an area — the polygon the warning applies to.
- 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
971 within 180 nm since 2002 · 59 in the last 12 months · 3 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 0100Z to 1300Z daily 06 thru 08 oct in areas within three miles of: a. 13-27.00N…2026-09-30
- Hazardous operations 2200Z to 1000Z daily until 30 sep in area bound by 13-32.00N 144-04.00E, 13-32.00N…2026-09-29
- Hazardous operations 292300Z to 300900Z and 302300Z sep to 010700Z oct in area bound by 12-40.00N…2026-09-29
- Hazardous operations 2200Z to 1000Z daily 28 thru 30 sep in area bound by 12-40.00N 144-45.00E, 11-00.00N…2026-09-25
- Hazardous operations 292300Z to 300900Z sep and 302300Z sep to 010700Z oct in area bound by 12-40.00N…2026-09-25
- Hazardous operations 252000Z to 261000Z sep in area bound by 13-32.00N 144-04.00E, 13-32.00N 144-27.00E,…2026-09-25
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
- Submarine cable recovery works by M/V aniek, 1008 tons, until further noticeCable ops · 52.6 nm
- Hazardous operations 2200Z to 1000Z daily 28 thru 30 sep in area bound by 12-40.00N 144-45.00E, 11-00.00N…Exercises · 116.5 nm
- Hazardous operations 292300Z to 300900Z sep and 302300Z sep to 010700Z oct in area bound by 12-40.00N…Exercises · 116.5 nm
Worldwide in the collected sources
28 military exercises listed in force · see all
Record snapshot 2026-10-01 20:26Z; 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.