Hazardous operations 170839Z to 171639Z dec, alternate 180839Z to 181723Z and 190923Z to 191723Z dec: a. in…
North Pacific Ocean · HYDROPAC 3888/13
What this record establishes
Archived notice · 2013-12-17 14:05Z
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) · USAKA KWAJALEIN OP 355 131909Z DEC 13.. Issued 2013-12-13 21:01Z. 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
- Hazardous operations 170839Z to 171639Z dec, alternate 190923Z to 191723Z dec: a. in area bound by 09-17N…cancelled by this notice
- Cancel HYDROPAC 3888/13 and this msg, operations completedlater cancellation notice
These reports were linked by category and sea, with positions within 30 nautical miles and issue dates within 30 days of another report's recorded in-force span. Links can extend through other members, so the full group can cover a larger area or period. Proximity does not confirm that they describe one incident.
- HYDROPAC 3870/132013-12-12 · Archived notice
- HYDROPAC 3888/13 · this notice2013-12-13 · Archived notice
- HYDROPAC 3919/132013-12-17 · Archived notice
Current notices and reporting history in the North Pacific Ocean →
Activity windows · 3 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2013-12-17 08:39Z | 2013-12-17 16:39Z | — | 8 h |
| 2013-12-18 08:39Z | 2013-12-18 17:23Z | — | 8 h 44 |
| 2013-12-19 09:23Z | 2013-12-19 17:23Z | — | 8 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2013-12-13 21:01Z
- status
- Archived notice
- self-cancels
- 2013-12-19 18:23Z
- authority
- USAKA KWAJALEIN OP 355 131909Z DEC 13.
- issued by
- RTS SAFETY KWAJALEIN MH
- sea
- North Pacific Ocean
- position
- 9.658, 168.327
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
NORTH PACIFIC.
MARSHALL ISLANDS.
MISSILES.
1. HAZARDOUS OPERATIONS 170839Z TO 171639Z DEC,
ALTERNATE 180839Z TO 181723Z AND
190923Z TO 191723Z DEC:
A. IN AREA BOUND BY
09-17N 167-23E, 09-23N 167-33E,
09-32N 167-29E, 09-40N 167-37E,
09-56N 167-55E, 10-21N 168-40E,
09-39N 169-03E, 09-15N 168-18E,
09-09N 167-55E, 08-59N 167-34E.
B. WITHIN 18 MILES OF 12-38N 171-50E.
C. WITHIN 18 MILES OF 13-49N 171-31E.
D. WITHIN 18 MILES OF 14-29N 172-30E.
E. WITHIN 18 MILES OF 14-02N 173-48E.
F. WITHIN 18 MILES OF 12-48N 173-59E.
G. WITHIN 18 MILES OF 12-04N 173-00E.
2. CANCEL HYDROPAC 3870/13.
3. CANCEL THIS MSG 191823Z DEC 13.
Reading this warning
- Missile firing
- Missile tests or exercises, with the danger area and times during which missiles may be in flight or falling.
- 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.
- Within a radius of
- A circular area — every position within a stated distance of a point.
- 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 · missile & rocket hazards
27 within 180 nm since 2010 · 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, rocket launching 210830Z to 211430Z jun, alternate 0830Z to 1430Z daily 22 thru 25 jun…2021-06-16
- Hazardous operations 170839Z to 171639Z dec, alternate 190923Z to 191723Z dec: a. in area bound by 09-17N…2013-12-12
- Hazardous operations 260901Z to 261701Z sep, alternate 270901Z to 271701Z sep: a. in area bound by 08-44N…2013-09-22
- Hazardous operations 220901Z to 221701Z sep, alternate 230901Z to 231501Z sep: a. in area bound by 09-16N…2013-09-17
- Hazardous operations 210901Z to 211701Z may, alternate 0901Z to 1701Z daily 22 and 23 may: a. in area bound…2013-05-16
- Hazardous operations 270500Z to 270900Z apr, alternate 0500Z to 0900Z daily 28 apr thru 12 may: a. within 16…2013-04-23
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
8 missile & rocket hazards listed in force · see all
Record snapshot 2026-10-03 01:36Z; source collection times vary.
Missiles
Missile firings, rocket launches and space debris re-entry areas. All current missile & rocket hazards →
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.