Hazardous operations 10 thru 25 jul in area bound by 22-00N 159-47W, 21-50N 161-30W, 23-05N 162-45W, 25-00N…
North Pacific Ocean · NAVAREA XII 267/18
What this record establishes
Archived notice · 2018-07-26 00:01Z
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) · PACMISRANFAC 041946Z JUN 18.. Issued 2018-07-05 03:28Z. 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.
Current notices and reporting history in the North Pacific Ocean →
- issued
- 2018-07-05 03:28Z
- status
- Archived notice
- authority
- PACMISRANFAC 041946Z JUN 18.
- NAVAREA
- NAVAREA XII
- issued by
- PACMISRANFAC
- sea
- North Pacific Ocean
- position
- 23.931, -160.538
- 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 10 THRU 25 JUL IN AREA BOUND BY 22-00N 159-47W, 21-50N 161-30W, 23-05N 162-45W, 25-00N 162-45W, 25-40N 161-30W, 25-45N 158-20W, 23-53N 158-20W, 22-20N 159-10W. 2. CANCEL THIS MSG 26 JUL 18.
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.
Collected reports in this area · military exercises
48 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 1900Z to 0330Z daily 24 thru 26 oct, alternate 1900Z to 0330Z daily 27 and 28 oct in…2022-10-19
- 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
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.