Hazardous operations 261400Z to 271355Z jul in area bound by 13-10N 144-43E, 13-10N 144-30E, 12-45N 144-30E,…
North Pacific Ocean · HYDROPAC 2449/15
What this record establishes
Archived notice · 2015-07-27 14:55Z
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 488/15 260559Z JUL 15 - NAVAREA XI 541/15 251205Z JUL 15.. Issued 2015-07-26 09:25Z. 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
- East China Seacancelled by this notice
Current notices and reporting history in the North Pacific Ocean →
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2015-07-26 14:00Z | 2015-07-27 13:55Z | — | 23 h 55 |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2015-07-26 09:25Z
- status
- Archived notice
- self-cancels
- 2015-07-27 14:55Z
- authority
- COMCOGARD SECTOR GUAM 488/15 260559Z JUL 15 - NAVAREA XI 541/15 251205Z JUL 15.
- NAVAREA
- NAVAREA XI · named as the source of this relay
- issued by
- COMCOGARD SECTOR GUAM
- sea
- North Pacific Ocean
- position
- 11.743, 144.013
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
WESTERN NORTH PACIFIC. MARIANA ISLANDS. HAZARDOUS OPERATION. DNC 12. 1. HAZARDOUS OPERATIONS 261400Z TO 271355Z JUL IN AREA BOUND BY 13-10N 144-43E, 13-10N 144-30E, 12-45N 144-30E, 11-45N 143-00E, 11-00N 143-00E, 11-00N 144-45E. 2. CANCEL HYDROPAC 3405/13(97). 3. CANCEL THIS MSG 271455Z JUL 15.
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.
- 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.
- 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.
- Cancellation reference
- A line that cancels an earlier warning by its number, such as CANCEL HYDROLANT 1085/12.
- HYDROPAC
- The U.S. long-range warning series for the Pacific outside NAVAREA XII and for the Indian Ocean, Persian Gulf and adjoining seas.
- 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
969 within 180 nm since 2002 · 61 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
- Hazardous operations 2200Z to 1000Z daily 28 thru 30 sep in area bound by 12-40.00N 144-45.00E, 11-00.00N…Exercises · 2.9 nm
- Hazardous operations 292300Z to 300900Z sep and 302300Z sep to 010700Z oct in area bound by 12-40.00N…Exercises · 2.9 nm
- Hazardous operations 252000Z to 261000Z sep in area bound by 13-32.00N 144-04.00E, 13-32.00N 144-27.00E,…Exercises · 95.1 nm
- Uscg remote communication facility guam 13-29.00N 144-50.00E broadcast and communication services unreliableNav aids · 115 nm
- Guam hf NAVTEX station, V, 13-29.0N 144-50.0E, off airNav aids · 115 nm
Worldwide in the collected sources
28 military exercises listed in force · see all
Record snapshot 2026-10-01 19:39Z; 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.