Hazardous operations 1900Z to 0330Z daily 24 thru 26 oct, alternate 1900Z to 0330Z daily 27 and 28 oct in…
North Pacific Ocean · NAVAREA XII 779/22
What this record establishes
Archived notice · 2022-10-27 23:10Z
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) · PACMISRANFAC 0/22 261801Z SEP 22.. Issued 2022-10-19 09:32Z. 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 NAVAREA XII 779/22 and this msg, operations completedlater cancellation notice
Current notices and reporting history in the North Pacific Ocean →
Activity windows · 3 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2022-10-24 19:00Z | 2022-10-25 03:30Z | — | 8 h 30 |
| 2022-10-25 19:00Z | 2022-10-26 03:30Z | — | 8 h 30 |
| 2022-10-26 19:00Z | 2022-10-27 03:30Z | — | 8 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
- 2022-10-19 09:32Z
- status
- Archived notice
- self-cancels
- 2022-10-29 04:30Z
- authority
- PACMISRANFAC 0/22 261801Z SEP 22.
- NAVAREA
- NAVAREA XII
- issued by
- PACMISRANFAC
- sea
- North Pacific Ocean
- position
- 23.990, -160.520
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
NORTH PACIFIC. HAWAII. 1. HAZARDOUS OPERATIONS 1900Z TO 0330Z DAILY 24 THRU 26 OCT, ALTERNATE 1900Z TO 0330Z DAILY 27 AND 28 OCT IN AREA BOUND BY 22-00.00N 159-47.00W, 21-50.00N 161-30.00W, 23-05.00N 162-45.00W, 25-00.00N 162-45.00W, 25-40.00N 161-30.00W, 26-00.00N 160-00.00W, 25-45.00N 158-20.00W, 23-53.00N 158-20.00W, 22-20.00N 159-10.00W. 2. CANCEL THIS MSG 290430Z OCT 22.
Reading this warning
- Hazardous operations
- NGA's heading for activities that make an area dangerous — most often rocket launches, space debris and weapons firings, and some open-ended danger areas.
- 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.
- 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.
Collected reports in this area · military exercises
49 within 180 nm since 1999 · 1 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 27 thru 31 aug in area bound by 22-02.00N 159-48.00W, 22-02.00N 159-53.00W, 22-11.00N…2026-08-19
- Hazardous operations 171100Z to 171900Z apr, alternate 1300Z to 1900Z daily 18 thru 21 apr in area bound by…2023-04-15
- Hazardous operations 150230Z to 150730Z aug, alternate 160230Z to 160730Z aug in area bound by 18-29.00N…2022-08-11
- Hazardous operations sunrise to sunset daily 11 thru 27 jul in area bound by 22-00.00N 159-47.00W, 21-50.00N…2022-07-06
- Hazardous operations 202130Z to 210130Z and 212130Z to 220130Z apr in area bound by 22-01N 159-47W, 21-45N…2022-04-15
- Hazardous operations 151600Z to 160500Z aug, alternate 161600Z to 170500Z aug in area bound by 22-00N…2021-08-12
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
Worldwide in the collected sources
9 military exercises listed in force · see all
Record snapshot 2026-10-03 18:23Z; 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.