Hazardous operations, rocket launching 0500Z to 1500Z daily 25 thru 29 apr in area bound by 81-28.16N…
Arctic Ocean · HYDROARC 58/23
What this record establishes
Archived notice · 2023-04-29 16:00Z
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) · NAVAREA XXI 18/23 211829Z APR 23.. Issued 2023-04-21 21:22Z. 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
- Arctic 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
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.
- HYDROARC 58/23 · this notice2023-04-21 · Archived notice
- HYDROARC 84/232023-05-13 · Archived notice
Activity windows · 5 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2023-04-25 05:00Z | 2023-04-25 15:00Z | — | 10 h |
| 2023-04-26 05:00Z | 2023-04-26 15:00Z | — | 10 h |
| 2023-04-27 05:00Z | 2023-04-27 15:00Z | — | 10 h |
| 2023-04-28 05:00Z | 2023-04-28 15:00Z | — | 10 h |
| 2023-04-29 05:00Z | 2023-04-29 15:00Z | — | 10 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2023-04-21 21:22Z
- status
- Archived notice
- self-cancels
- 2023-04-29 16:00Z
- authority
- NAVAREA XXI 18/23 211829Z APR 23.
- NAVAREA
- NAVAREA XXI · named as the source of this relay
- sea
- Arctic Ocean
- position
- 79.100, 142.420
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
ARCTIC. RUSSIA. DNC 27. 1. HAZARDOUS OPERATIONS, ROCKET LAUNCHING 0500Z TO 1500Z DAILY 25 THRU 29 APR IN AREA BOUND BY 81-28.16N 133-20.59E, 78-06.28N 156-25.50E, 76-41.51N 150-05.30E, 80-26.22N 127-59.18E. 2. CANCEL THIS MSG 291600Z APR 23.
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.
- Rocket launching
- The areas where spent rocket stages, boosters and fairings are expected to fall after a launch, with the launch window.
- 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 · missile & rocket hazards
2 within 180 nm since 2023 · 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.
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
7 missile & rocket hazards listed in force · see all
Record snapshot 2026-10-03 15:03Z; 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.