Gunnery and missile operations 2100Z to 2359Z, 0300Z to 0600Z and 0900Z to 1200Z daily 23 to 25 sep,…
Laptev Sea · HYDROARC 248/21
What this record establishes
Archived notice · 2021-09-27 13:00Z
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 50/21 231829Z SEP 21.. Issued 2021-09-23 18:39Z. 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
- Laptev Sea. 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
- Gunnery and missile operations 232100Z to 251200Z sep, alternate 252100Z to 271200Z sep in area bound by…cancelled by this 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.
- HYDROARC 226/212021-09-12 · Archived notice
- HYDROARC 237/212021-09-18 · Archived notice
- HYDROARC 248/21 · this notice2021-09-23 · Archived notice
Activity windows · 15 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2021-09-23 03:00Z | 2021-09-23 06:00Z | — | 3 h |
| 2021-09-23 09:00Z | 2021-09-23 12:00Z | — | 3 h |
| 2021-09-23 21:00Z | 2021-09-23 23:59Z | — | 2 h 59 |
| 2021-09-24 03:00Z | 2021-09-24 06:00Z | — | 3 h |
| 2021-09-24 09:00Z | 2021-09-24 12:00Z | — | 3 h |
| 2021-09-24 21:00Z | 2021-09-24 23:59Z | — | 2 h 59 |
| 2021-09-25 03:00Z | 2021-09-25 06:00Z | — | 3 h |
| 2021-09-25 09:00Z | 2021-09-25 12:00Z | — | 3 h |
| … 7 more | |||
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2021-09-23 18:39Z
- status
- Archived notice
- self-cancels
- 2021-09-27 13:00Z
- authority
- NAVAREA XXI 50/21 231829Z SEP 21.
- NAVAREA
- NAVAREA XXI · named as the source of this relay
- sea
- Laptev Sea
- position
- 76.500, 133.000
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
ARCTIC. LAPTEV SEA. RUSSIA. DNC 27. 1. GUNNERY AND MISSILE OPERATIONS 2100Z TO 2359Z, 0300Z TO 0600Z AND 0900Z TO 1200Z DAILY 23 TO 25 SEP, ALTERNATE 2100Z TO 2359Z, 0300Z TO 0600Z AND 0900Z TO 1200Z DAILY 25 TO 27 SEP IN AREA BOUND BY 77-00N 130-00E, 77-00N 136-00E, 76-00N 136-00E, 76-00N 130-00E. 2. CANCEL HYDROARC 237/21. 3. CANCEL THIS MSG 271300Z SEP 21.
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.
- Gunnery and live firing
- Naval or coastal guns firing into a sea area for practice, at stated times.
- Missile firing
- Missile tests or exercises, with the danger area and times during which missiles may be in flight or falling.
- 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.
- HYDROARC
- The U.S. long-range warning series for the Arctic Ocean.
- 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
17 within 180 nm since 2014 · 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 0500Z to 1700Z daily 18 thru 20 sep, alternate 0500Z to 1700Z daily…2023-09-13
- Hazardous operations, rocket launching 220500Z to 221700Z aug, alternate 0500Z to 1700Z daily 23 and 24 aug…2023-08-17
- Gunnery and missile operations 232100Z to 251200Z sep, alternate 252100Z to 271200Z sep in area bound by…2021-09-18
- Gunnery and missile operations 172100Z to 201200Z sep, alternate 202100Z to 231200Z sep in area bound by…2021-09-12
- Gunnery and missile operations 172100Z to 201200Z sep, alternate 202100Z to 231200Z sep in area bound by…2021-09-12
- Missile operations 2300Z to 1300Z commencing daily 22 thru 25 sep in area bound by 76-43.3N 133-16.0E,…2018-09-17
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 00:09Z; 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.